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Batteries Built by Viruses
What do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.
Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.
Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute of
Technology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.
Beicher's team includes Paula Hammond,who helps put together the tiny batteries,and
Yet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.
Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.
The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.
How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.
Batteries Built by Viruses
What do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.
Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.
Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute of
Technology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.
Beicher's team includes Paula Hammond,who helps put together the tiny batteries,and
Yet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.
Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.
The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.
How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.
How tiny is one battery part?
A: Its width is one tenth of a hair.
B: It equals the width of a hair.
C: It is as thin as a piece of paper.
D: Its width is too tiny to measure.
A: Its width is one tenth of a hair.
B: It equals the width of a hair.
C: It is as thin as a piece of paper.
D: Its width is too tiny to measure.
参考答案
参考解析
解析：题干意为“根据第一段的内容来看，人们试图……”。利用题干及备选项中的细节信息词/短语people , microorganisms , chicken pox , flu , various diseases , virus-related diseases , medicines作为定位线索，在第一段中找到相关句：What do chicken pox, the com-mon cold,the flu，and AIDS have in common?They're all diseases caused by viruses（与vi-rus-related diseases呼应）,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds．第一段第二句提到“这些都是由病毒引起的疾病”，这说明病毒会引起疾病。第三句提到“难怪大部分人一提到病毒，首先想到的是如何躲避病毒”，这说明因为病毒会引起疾病，所以人们都想尽力避开病毒，因此C项“因为病毒会造成各种疾病所以躲避病毒”是答案。虽然选项B也提到了躲避病毒，但是选项B后半句中提到的躲避的原因是因为病毒是看不见的，这在短文中没有提到，因此选项B属于“无中生有”的干扰项。提示：备选项中只要一部分信息在短文中没有被提及，该选项也属于“无中生有”的干扰项；备选项中只要有一部分信息与短文中的相关信息不一致，则该选项陈述的信息与短文信息不一致。
题干意为“Beicher所在的小组现在在做什么？”利用题干及备选项中的细节信息词/短语Belcher's team , at present , ways , mass-producing micro-batteries , virus genes作为定位线索，在第二段和第三段中找到相关句：（第二段）Not everyone runs from the tiny dis-ease carriers,though. In Cambridge,Massachusetts,scientists have discovered that some vi-ruses can be helpful in an unusual way.They are putting viruses to work, teachiig them to build some if the world's smallest rechargeable batteries.（第三段）Viruses and batteries may seem like an unusual pair,but they're not so strange for engineer Angela Belcher,who first came up with the idea．At the Massachusetts Institute of Technology(MIT)in Cambridge, she and her collaborators（与Belcher's team呼应）bring together different areas of science in new ways. In the case of the virus-built batteries,the scientists combine what they know a-bout biology, technology and production techniques．定位线索词集中出现在第三段中，该段第一句提到“病毒和电池的搭档似乎并不常见，但这对于工程师Belcher来说却并不陌生。她最先产生了这一想法”。该句中提到的“这一想法”回指上文（第二段）中提到的putting viru-ses to work,teaching them to build some of the world's smallest rechargeable batteries，即用病毒制造世界上最小的充电电池。由此可知C项“用病毒制造电池”是答案。
题干意为“下列哪个选项的词义与第五段中shrink的词义相反？”该题属于词汇题。首先找到shrink在短文中所在的语境，并依据该语境判断出shrink的词义是“收缩”，也就是“缩小”，因此它的反义词是expand“增大，扩张”。所以答案为D。
题干意为“第六段中关于Belcher所研制的电池的陈述哪个正确？”利用题干及选项中的细节信息词/短语Belcher's battery, metal, watch battery, microscope, metallic disk作为定位线索，在第六段中找到相关句：The ideal battery will store a lot of energy in a small package. Right now，Belcher's model battery,a metallic disk completely built by viru-ses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope．定位线索词集中出现在第六段第二句中，该句意为“Belcher的电池模型是完全由病毒构成的金属圆盘，看起来就像普通的手表电池”。显然，B项“它是一种手表电池”与短文意思不一致：短文中出现的手表电池是用作比较，而不是说Belcher 的电池模型是手表电池。该句意思与D项“它是一种金属圆盘，里面有病毒”一致，因此D是答案。C项“它只能在显微镜下才能看见”，这与第六段最后一句意思不一致：第六段最后一句提到“电池里面的部件很小―小到用高倍显微镜才能看到”，这是在讲述电池部件的情况，并非说电池也需要用显微镜才能看见，因此选项D陈述的信息与短文内容不一致。
5.A 短文最后一段的第四句(“you could probably fit about 10 of these virus-built battery parts，side to side，across one hair”)提供了本题的答案。
题干意为“Beicher所在的小组现在在做什么？”利用题干及备选项中的细节信息词/短语Belcher's team , at present , ways , mass-producing micro-batteries , virus genes作为定位线索，在第二段和第三段中找到相关句：（第二段）Not everyone runs from the tiny dis-ease carriers,though. In Cambridge,Massachusetts,scientists have discovered that some vi-ruses can be helpful in an unusual way.They are putting viruses to work, teachiig them to build some if the world's smallest rechargeable batteries.（第三段）Viruses and batteries may seem like an unusual pair,but they're not so strange for engineer Angela Belcher,who first came up with the idea．At the Massachusetts Institute of Technology(MIT)in Cambridge, she and her collaborators（与Belcher's team呼应）bring together different areas of science in new ways. In the case of the virus-built batteries,the scientists combine what they know a-bout biology, technology and production techniques．定位线索词集中出现在第三段中，该段第一句提到“病毒和电池的搭档似乎并不常见，但这对于工程师Belcher来说却并不陌生。她最先产生了这一想法”。该句中提到的“这一想法”回指上文（第二段）中提到的putting viru-ses to work,teaching them to build some of the world's smallest rechargeable batteries，即用病毒制造世界上最小的充电电池。由此可知C项“用病毒制造电池”是答案。
题干意为“下列哪个选项的词义与第五段中shrink的词义相反？”该题属于词汇题。首先找到shrink在短文中所在的语境，并依据该语境判断出shrink的词义是“收缩”，也就是“缩小”，因此它的反义词是expand“增大，扩张”。所以答案为D。
题干意为“第六段中关于Belcher所研制的电池的陈述哪个正确？”利用题干及选项中的细节信息词/短语Belcher's battery, metal, watch battery, microscope, metallic disk作为定位线索，在第六段中找到相关句：The ideal battery will store a lot of energy in a small package. Right now，Belcher's model battery,a metallic disk completely built by viru-ses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope．定位线索词集中出现在第六段第二句中，该句意为“Belcher的电池模型是完全由病毒构成的金属圆盘，看起来就像普通的手表电池”。显然，B项“它是一种手表电池”与短文意思不一致：短文中出现的手表电池是用作比较，而不是说Belcher 的电池模型是手表电池。该句意思与D项“它是一种金属圆盘，里面有病毒”一致，因此D是答案。C项“它只能在显微镜下才能看见”，这与第六段最后一句意思不一致：第六段最后一句提到“电池里面的部件很小―小到用高倍显微镜才能看到”，这是在讲述电池部件的情况，并非说电池也需要用显微镜才能看见，因此选项D陈述的信息与短文内容不一致。
5.A 短文最后一段的第四句(“you could probably fit about 10 of these virus-built battery parts，side to side，across one hair”)提供了本题的答案。
更多 “共用题干 Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.How tiny is one battery part?A: Its width is one tenth of a hair. B: It equals the width of a hair.C: It is as thin as a piece of paper. D: Its width is too tiny to measure.” 相关考题
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Common-cold SenseYou can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.Children have more colds because______.A:they are usually infected about eight times each yearB:they are not immune to many cold viruses yetC:they never wash their hands so that their thumbnails are dirtyD:they don't like eating lemon
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Common-cold SenseYou can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.According to the essay,you may have a cold because. A:the weather is too coldB:the spread of rhinoviruses gets people infectedC:another person's coughing passes the cold to youD:you wash your hands too often
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Common-cold SenseYou can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.When you are having a cold,______.A:it is always the same kind of cold that you had last timeB:it may be the same kind of cold that you had last timeC:it is certainly not the same kind of cold that you had last time D:it is probably not the same kind of cold that you had last time
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第一篇Common-Cold SenseYou can't beat it,but you don't have to join it. Maybe it got the name"common cold"because it's more common in winter. The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses（鼻病毒）,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults一an average of about eight per year. Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.Being infected by one makes you immune to it一but only it.Colds are usually spread by direct contact,not sneezing or coughing. From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses any where is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap, especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing,runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying. Hot mixtures of sugar(or honey),lemon,and water have real benefits.When one is having a cold,he may often have all the following symptoms EXCEPT_________.A:coughingB:having a sore throatC:having a runny noseD:having a stomachache
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第一篇Common-Cold SenseYou can't beat it,but you don't have to join it. Maybe it got the name"common cold"because it's more common in winter. The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses（鼻病毒）,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults一an average of about eight per year. Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.Being infected by one makes you immune to it一but only it.Colds are usually spread by direct contact,not sneezing or coughing. From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses any where is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap, especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing,runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying. Hot mixtures of sugar(or honey),lemon,and water have real benefits.The best way to keep yourself from getting colds is________.A:to keep yourself cleanB:to use a disinfectant soapC:to take two aspirins every dayD:to drink lots of water
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Common-cold SenseYou can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.The best way to keep yourself from getting cold isA:to keep yourself cleanB:to use a disinfectant soapC:to take two aspirins every dayD:to drink lots of water
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Common-cold SenseYou can't beat it,but you don't have to join it.Maybe it got the name"common cold"because it's more common in winter.The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults-an average of about eight per year.Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.being infected by one makes you immune to it-but only it.Colds are usually spread by direct contact,not sneezing or coughing.From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses anywhere is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap,especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing, runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying.Hot mixtures of sugar(or honey),lemon,and water have real benefits.When one is having a cold,he may often have all the following symptoms EXCEPT______.A:coughing B:sneezingC:having a runny nose D:having a stomachache
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第一篇Common-Cold SenseYou can't beat it,but you don't have to join it. Maybe it got the name"common cold"because it's more common in winter. The fact is,though,being cold doesn't have anything to do with getting one.Colds are caused by the spread of rhinoviruses（鼻病毒）,and,at least so far,medical science is better at telling you how to avoid getting one than how to get rid of one.Children are the most common way cold viruses are spread to adults,because they have more colds than adults一an average of about eight per year. Why do kids seem so much more easily to get colds than their parents?Simple.They haven't had the opportunity to become immune to many cold viruses.There are more than 150 different cold viruses,and you never have the same one twice.Being infected by one makes you immune to it一but only it.Colds are usually spread by direct contact,not sneezing or coughing. From another person's hand to your hand and then to your nose or eyes is the most common route.The highest concentration of cold viruses any where is found under the thumbnails of a boy,although the viruses can survive for hours on skin or other smooth surfaces.Hygiene is your best defense.Wash your hands frequently,preferably with a disinfectant soap, especially when children in your household have colds.But even careful hygiene won't ward off every cold.So,what works when a coughing,sneezing,runny nose strikes?The old prescription of two aspirins,lots of water,and bed rest is a good place to start.But you'll also find some of the folk remedies worth trying. Hot mixtures of sugar(or honey),lemon,and water have real benefits.When you are having a cold,________.A:it is always the same kind of cold that you had last timeB:it may be the same kind of cold that you had last timeC:it is certainly not the same kind of cold that you had last timeD:it is probably not the same kind of cold that you had last time
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Life Expectancy in the Last Hundred YearsA hundred years ago,life expectancy in developed countries was about 47;in the early 21 st century,men in the United States and the United Kingdom can expect to live to about 74,women to about 80, and these______(51)are rising all the time .What has brought______(52) these changes?When we look at the life______(53)of people 100 years ago,we need to look at the greatest______(54)of the time .In the early 20th century,these were the acute and of-ten______(55)infectious diseases such as smallpox.Many children died very young from these diseases and others,and the weak and elderly were always at risk.In the______(56)world these diseases are far______(57)today,and in some cases have almost disappcarcd.A number of______(58)have led to this:improvements in sanita- tion and hygiene,the discovery and use of antibiotics,which______(59)bacterial diseases much less dangerous,and vaccinations______(60)common diseases.______(61), people's general health has improved with improvements in our general environment:cleaner air,better means of preserving food,better and warmer housing,and better understanding of nutrition.Genetically,we should all be able to live to about 85 but______(62)people do live longer today,there are still some big killers around that are preventing us from consistently reaching that age .The problems that affect people today are the more chronic illnesses,such as heart disease and strokes,and those______(63)by viruses,such as influenza and AIDS.Of course,cancer is a huge killer as well.In most cases these diseases affect______(64)people,but there are worrying trends in the developed world with problems such as obesity______(65)more heart disease and illnesses such as diabetes at younger ages.The killers today can be classed as"lifestyle diseases",which means that it may be possiblem to halt their progress.51._________A: countriesB: livesC: yearsD: ages
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Life Expectancy in the Last Hundred YearsA hundred years ago,life expectancy in developed countries was about 47:in the early 21st century,men in the United States and the United Kingdom can expect to live to about 74. Women to about 80, and these___1___ are rising all the time. What has brought___2___ these changes?When we look at the life___3___of people 100 years ago,we need to look at the greatest___4___of the time. In the early 20th century,these were the acute and often ___5___ infectious diseases such as smallpox. Many children died very young from these diseases and others,and the weak and elderly were always at risk. In the ___6 ___world these diseases are far___ 7 ___today,and in some cases have almost disappeared. A number of ___8 ___have led to this:improvements in sanitation and hygiene,the discovery and use of antibiotics,which ___9___ bacterial diseases much less dangerous,and vaccinations___10___ common diseases. ___11___ ,people's general health has improved with improvements in our general environ-ment:cleaner air,better means of preserving food,better and warmer housing,and better understanding of nutrition. Genetically,we should all be able to live to about 85 but ___12___ people do live longer today,there are still some big killers around that are preventing US from consistently reaching that age. The problems that affect people today are the more chro-nic illnesses,such as heart disease and strokes,and those ___13___ by viruses,such as influen- za and AIDS. Of course,cancer is a huge killer as well. In most cases these diseases affect ___14___ people,but there are worrying trends in the developed world with problems such as obesity ___15___ more heart disease and illnesses such as diabetes at younger ages.The killers today can be classed as“lifestyle diseases”,which means that it may be possi- ble to halt their progress.13._________A: spreadB: affectedC: producedD: created
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Life Expectancy in the Last Hundred YearsA hundred years ago,life expectancy in developed countries was about 47;in the early 21 st century,men in the United States and the United Kingdom can expect to live to about 74,women to about 80, and these______(51)are rising all the time .What has brought______(52) these changes?When we look at the life______(53)of people 100 years ago,we need to look at the greatest______(54)of the time .In the early 20th century,these were the acute and of-ten______(55)infectious diseases such as smallpox.Many children died very young from these diseases and others,and the weak and elderly were always at risk.In the______(56)world these diseases are far______(57)today,and in some cases have almost disappcarcd.A number of______(58)have led to this:improvements in sanita- tion and hygiene,the discovery and use of antibiotics,which______(59)bacterial diseases much less dangerous,and vaccinations______(60)common diseases.______(61), people's general health has improved with improvements in our general environment:cleaner air,better means of preserving food,better and warmer housing,and better understanding of nutrition.Genetically,we should all be able to live to about 85 but______(62)people do live longer today,there are still some big killers around that are preventing us from consistently reaching that age .The problems that affect people today are the more chronic illnesses,such as heart disease and strokes,and those______(63)by viruses,such as influenza and AIDS.Of course,cancer is a huge killer as well.In most cases these diseases affect______(64)people,but there are worrying trends in the developed world with problems such as obesity______(65)more heart disease and illnesses such as diabetes at younger ages.The killers today can be classed as"lifestyle diseases",which means that it may be possiblem to halt their progress.60._________A: againstB: forC: toD: from
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Life Expectancy in the Last Hundred YearsA hundred years ago,life expectancy in developed countries was about 47:in the early 21st century,men in the United States and the United Kingdom can expect to live to about 74. Women to about 80, and these___1___ are rising all the time. What has brought___2___ these changes?When we look at the life___3___of people 100 years ago,we need to look at the greatest___4___of the time. In the early 20th century,these were the acute and often ___5___ infectious diseases such as smallpox. Many children died very young from these diseases and others,and the weak and elderly were always at risk. In the ___6 ___world these diseases are far___ 7 ___today,and in some cases have almost disappeared. A number of ___8 ___have led to this:improvements in sanitation and hygiene,the discovery and use of antibiotics,which ___9___ bacterial diseases much less dangerous,and vaccinations___10___ common diseases. ___11___ ,people's general health has improved with improvements in our general environ-ment:cleaner air,better means of preserving food,better and warmer housing,and better understanding of nutrition. Genetically,we should all be able to live to about 85 but ___12___ people do live longer today,there are still some big killers around that are preventing US from consistently reaching that age. The problems that affect people today are the more chro-nic illnesses,such as heart disease and strokes,and those ___13___ by viruses,such as influen- za and AIDS. Of course,cancer is a huge killer as well. In most cases these diseases affect ___14___ people,but there are worrying trends in the developed world with problems such as obesity ___15___ more heart disease and illnesses such as diabetes at younger ages.The killers today can be classed as“lifestyle diseases”,which means that it may be possi- ble to halt their progress.9._________A: makesB: causesC: makeD: from
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Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.Which of the following is true of Belcher's battery mentioned in paragraph 6?A: It is made of metal.B: It is a kind of watch battery.C: It can only be seen with a microscope.D: It is a metallic disk with viruses inside it.
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Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.What expression below is opposite in meaning to the word“shrink” appearing in para-graph 5?A: Broaden. B: Spread. C: Extend. D: Expand.
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Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.What is Belcher's team doing at present?A: It is finding ways to get rid of viruses.B: It is mass-producing micro-batteries.C: It is making batteries with viruses.D: It is analyzing virus genes.
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Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.According to the first paragraph,people try toA: kill microorganisms related to chicken pox,the flu,etcB: keep themselves away from viruses because they are invisibleC: stay away from viruses because they are causes of various diseasesD: cure themselves of virus-related diseases by taking medicines
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Batteries Built by VirusesWhat do chicken pox,the common cold,the flu,and AIDS have in common?They're all diseases caused by viruses,tiny microorganisms that can pass from person to person. It's no wonder that when most people think about viruses,finding ways to steer clear of viruses is what's on people's minds.Not everyone runs from the tiny disease carriers,though. In Cambridge,Massachu- setts,scientists have discovered that some viruses can be helpful in an unusual way. They are putting viruses to work,teaching them to build some of the world's smallest rechargeable batteries.Viruses and batteries may seem like an unusual pair,but they're not so strange for engi-neer Angela Beicher,who first came up with the idea. At the Massachusetts Institute ofTechnology(MIT)in Cambridge,she and her collaborators bring together different areas of science in new ways.In the case of the virus-built batteries,the scientists combine what they know about biology,technology and production techniques.Beicher's team includes Paula Hammond,who helps put together the tiny batteries,andYet-Ming Chiang,an expert on how to store energy in the form of a battery.“We're working on things we traditionally don't associate with nature，”says Hammond.Many batteries are already pretty small. You can hold A,C and D batteries in your hand. The coin-like batteries that power watches are often smaller than a penny. However, every year,new electronic devices like personal music players or cell phones get smaller than the year before. As these devices shrink,ordinary batteries won't be small enough to fit in-side.The ideal battery will store a lot of energy in a small package. Right now,Belcher's model battery,a metallic disk completely built by viruses,looks like a regular watch battery. But inside,its components are very small一so tiny you can only see them with a powerful microscope.How small are these battery parts?To get some idea of the size,pluck one hair from your head. Place your hair on a piece of white paper and try to see how wide your hair is一 pretty thin,right?Although the width of each person's hair is a bit different,you could probably fit about 10 of these virus-built battery parts,side to side,across one hair. These micro-batteries may change the way we look at viruses.How tiny is one battery part?A: Its width is one tenth of a hair. B: It equals the width of a hair.C: It is as thin as a piece of paper. D: Its width is too tiny to measure.
考题
Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts.
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come.
The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA.
But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for.
Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.
The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms.
Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system.
There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
According to the author, knowing the cause of the misery will help（）A、shorten the duration of the illnessB、the patient buy medicine over the counterC、the patient obtain cheaper prescription drugsD、prevent people from catching colds and the flu
考题
Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts.
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come.
The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA.
But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for.
Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.
The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms.
Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system.
There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
If children have flu-like symptoms, their parents （）A、are advised not to give them aspirinB、should watch out for signs of Reye syndromeC、are encouraged to take them to hospital for vaccinationD、should prevent them from mixing with people running a fever
考题
Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts.
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come.
The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA.
But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for.
Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.
The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms.
Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system.
There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
According to the passage, to combat the flu effectively, （）A、one should identify the virus which causes itB、one should consult a doctor as soon as possibleC、one should take medicine upon catching the diseaseD、one should remain alert when the disease is spreading
考题
Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts.
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come.
The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA.
But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for.
Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.
The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms.
Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system.
There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
We learn from the passage that （）A、one doesn’t need to take any medicine if he has a cold or the fluB、aspirin should not be included in over-the-counter medicines for the fluC、delayed treatment of the flu will harm the liver and central nervous systemD、over-the-counter drugs can be taken to ease the misery caused by a cold or the flu
考题
Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference in how long the misery lasts.
The American Lung Association (ALA) has issued new guidelines on combating colds and the flu, and one of the keys is being able to quickly tell the two apart. That’s because the prescription drugs available for the flu need to be taken soon after the illness sets in. As for colds, the sooner a person starts taking over-the-counter remedy, the sooner relief will come.
The common cold and the flu are both caused by viruses. More than 200 viruses can cause cold symptoms, while the flu is caused by three viruses—flu A, B and C. There is no cure for either illness, but the flu can be prevented by the flu vaccine (疫苗), which is, for most people, the best way to fight the flu, according to the ALA.
But if the flu does strike, quick action can help. Although the flu and common cold have many similarities, there are some obvious signs to look for.
Cold symptoms such as stuffy nose, runny nose and scratchy throat typically develop gradually, and adults and teens often do not get a fever. On the other hand, fever is one of the characteristic features of the flu for all ages. And in general, flu symptoms including fever and chills, sore throat and body aches come on suddenly and are more severe than cold symptoms.
The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu. It advises parents to call the doctor if their small children have flu-like symptoms.
Both cold and flu symptoms can be eased with over-the-counter medications as well. However, children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome (综合症)，a rare but serious condition of the liver and central nervous system.
There is, of course, no vaccine for the common cold. But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.
Which of the following symptoms will distinguish the flu from a cold? （）A、A stuffy nose.B、A high temperature.C、A sore throat.D、A dry cough.
考题
单选题请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.Arctic explorers may catch colds when ____.A
they are working in the isolated arctic regionsB
they are writing reports in terribly cold weatherC
they are free from work in the isolated arctic regionsD
they are coming into touch again with the outside world
考题
单选题请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.Which of the following does not agree with the passage?A
The Eskimos do not suffer from colds all the time.B
Colds are not caused by cold.C
People suffer from colds just because they like to stay indoors.D
A person rnay catch a cold by touching someone who already has one.
考题
单选题请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.The author cites the Eskimos not suffering from common colds forever to indicate ____.A
common colds are more severe than other plaguesB
viruses are the factors causing common coldsC
common colds are full of mythD
the idea that cold leads to colds doesn’t stand up
考题
单选题请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.The passage mainly discusses ____.A
the experiments on the common coldB
the cures about the common coldC
why and how people catch coldsD
the continued spread of common colds
考题
单选题请阅读 Passage 2，完成第 26~30小题。Passage 2 The common cold is the world's most widespread illness， which is plague that flesh receives.The most widespread fallacy of all is that colds caused by cold.They are not， They are caused by viruses passing on from person to person.You catch a cold by coming into contact， directly or indirectly， with someone who already has one.If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.And in isolated arctic regions explorers have reported being free from colds until coming into contact again with infected people from the outside world by way of packages and mail dropped from airplanes.During the First World War soldiers who spent long periods in the trenches， cold and wet，showed no increased tendency to catch colds.In the Second World War prisoners at the notorious Auschwitz concentration camp， naked and starving， were astonished to find that they seldom had colds.At the Common Cold Research Unit in England， volunteers took part in Experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time.After taking hot baths， they put on bathing suits， allowed themselves to be with cold water， and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If， then， cold and wet have nothing to do with catching colds， why are they more frequent in the winter? Despite the most pains-taking research， no one has yet found the answer， One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times， and this makes it easier for cold viruses to be passed on.No one has yet found a cure for the cold.There are drugs and pain suppressors such as aspirin， but all they do is relieve the symptoms.Volunteers taking part in the experiments in the Common Cold Research Unit ____.A
all suffered from cold and wetB
never caught coldsC
caught colds easilyD
all caught colds because of the harsh environment
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