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一 How old are these students? They are about 16 years old.
A.Right
B.Wrong
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听力原文：M: So, Jane, how long have you been an author?W: Well, Tom, I didn't start writing until I was in my thirtieth, and I'm over seventy now. So goodness, I must have been writing for about forty years.How long has the woman been an author?A．About 30 years.B．About 40 years.C．About 60 years.D．About 70 years.
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16．This photo reminds me _______ the days when l worked ________ the farm with my classmates．A．about; inB．about; onC．of; inD．of; on
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The maximum difference between mean time and apparent time is ______.A.equal to the longitude expressed in time unitsB.about 16 minutesC.the difference between the GHA of mean sun and the first point of AriesD.15°of arc
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第二篇Students Learn Better with Touchscreen DesksObserve the criticisms of nearly any major public education system in the world,and a few of the many complaints are more or less universal.Technology moves faster than the education system.Teachers must teach at the pace of the slowest student rather than the fastest. And一particularly in the United States一 school children as a group don't care much for,or excel（擅长）at,mathemnatics. So it's heartening to learn that a new kind of"classroom of the future"shows promise at easing some of these problems,starting with that fundamental piece of classroom furniture:the desk.A UK study involving roughly 400 students,mostly aged 8一10 years,and a new generation of multis-touch,multi-user,computerized desktop surfaces is showing that over the last three years the technology has appreciably boosted students'math skills compared with peers learning the same material via the con- ventional paper-and-pencil method.How?Through collaboration,mostly,as well as by giving teachers better tools by which to micromanage individual students who need some extra instruction while allowing the rest of the class to continue moving forward.Traditional instruction still shows respectable efficacy（效力）at increasing students'fluency in mathe- matics,essentially through memorization and practice一dull,repetitive practice.But the researchers have con-cluded that these new touchscreen desks boost both fluency and flexibility一the critical thinking skills that al- low students to solve complex problems not simply through knowing formulas and devices,but by being able to figure out what the real problem is and the most effective means of stripping it down and solving it.One reason for this,the researchers say,is the multi-touch aspect of the technology.Students working in the next-gen classroom can work together at the same tabletop,each of them contributing and engaging with the problem as part of a group.Known as SynergyNet,the software uses computer vision systems that see in the infrared（红外线的）spectrum to distinguish between different touches on different parts of the surface, allowing students to access and use tools on the screen,move objects and visual aids around on their desk- tops,and otherwise physically interact with the numbers and information on their screens.By using these screens collaboratively,the researchers say,the students are to some extent teaching themselves as those with a stronger grasp on difficult concepts pull other students forward along with them.What is the benefit students get from the new tech?A:It makes them more fluent in public speech.B:It enables them to develop critical thinking ability.C:It offers them more flexibility in choosing courses.D:It is effective in helping them solve physical problems.
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第二篇Students Learn Better with Touchscreen DesksObserve the criticisms of nearly any major public education system in the world,and a few of the many complaints are more or less universal.Technology moves faster than the education system.Teachers must teach at the pace of the slowest student rather than the fastest. And一particularly in the United States一 school children as a group don't care much for,or excel（擅长）at,mathemnatics. So it's heartening to learn that a new kind of"classroom of the future"shows promise at easing some of these problems,starting with that fundamental piece of classroom furniture:the desk.A UK study involving roughly 400 students,mostly aged 8一10 years,and a new generation of multis-touch,multi-user,computerized desktop surfaces is showing that over the last three years the technology has appreciably boosted students'math skills compared with peers learning the same material via the con- ventional paper-and-pencil method.How?Through collaboration,mostly,as well as by giving teachers better tools by which to micromanage individual students who need some extra instruction while allowing the rest of the class to continue moving forward.Traditional instruction still shows respectable efficacy（效力）at increasing students'fluency in mathe- matics,essentially through memorization and practice一dull,repetitive practice.But the researchers have con-cluded that these new touchscreen desks boost both fluency and flexibility一the critical thinking skills that al- low students to solve complex problems not simply through knowing formulas and devices,but by being able to figure out what the real problem is and the most effective means of stripping it down and solving it.One reason for this,the researchers say,is the multi-touch aspect of the technology.Students working in the next-gen classroom can work together at the same tabletop,each of them contributing and engaging with the problem as part of a group.Known as SynergyNet,the software uses computer vision systems that see in the infrared（红外线的）spectrum to distinguish between different touches on different parts of the surface, allowing students to access and use tools on the screen,move objects and visual aids around on their desk- tops,and otherwise physically interact with the numbers and information on their screens.By using these screens collaboratively,the researchers say,the students are to some extent teaching themselves as those with a stronger grasp on difficult concepts pull other students forward along with them.What has been found after the new tech is employed?A:Students become less active in learning mathematics.B:Students show preference to the conventional paper-and-pencil method.C:Teachers are able to give individualized attention to students in need.D:The gap between slow learners and fast learners gets more noticeable.
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第二篇Students Learn Better with Touchscreen DesksObserve the criticisms of nearly any major public education system in the world,and a few of the many complaints are more or less universal.Technology moves faster than the education system.Teachers must teach at the pace of the slowest student rather than the fastest. And一particularly in the United States一 school children as a group don't care much for,or excel（擅长）at,mathemnatics. So it's heartening to learn that a new kind of"classroom of the future"shows promise at easing some of these problems,starting with that fundamental piece of classroom furniture:the desk.A UK study involving roughly 400 students,mostly aged 8一10 years,and a new generation of multis-touch,multi-user,computerized desktop surfaces is showing that over the last three years the technology has appreciably boosted students'math skills compared with peers learning the same material via the con- ventional paper-and-pencil method.How?Through collaboration,mostly,as well as by giving teachers better tools by which to micromanage individual students who need some extra instruction while allowing the rest of the class to continue moving forward.Traditional instruction still shows respectable efficacy（效力）at increasing students'fluency in mathe- matics,essentially through memorization and practice一dull,repetitive practice.But the researchers have con-cluded that these new touchscreen desks boost both fluency and flexibility一the critical thinking skills that al- low students to solve complex problems not simply through knowing formulas and devices,but by being able to figure out what the real problem is and the most effective means of stripping it down and solving it.One reason for this,the researchers say,is the multi-touch aspect of the technology.Students working in the next-gen classroom can work together at the same tabletop,each of them contributing and engaging with the problem as part of a group.Known as SynergyNet,the software uses computer vision systems that see in the infrared（红外线的）spectrum to distinguish between different touches on different parts of the surface, allowing students to access and use tools on the screen,move objects and visual aids around on their desk- tops,and otherwise physically interact with the numbers and information on their screens.By using these screens collaboratively,the researchers say,the students are to some extent teaching themselves as those with a stronger grasp on difficult concepts pull other students forward along with them.What happens when students are using the desktop of the new tech?A:Every student has an individual tabletop.B:The multi-touch function stimulates students.C:The software installed automatically identifies different users.D:Students use different tools to interact with each other.
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第二篇Students Learn Better with Touchscreen DesksObserve the criticisms of nearly any major public education system in the world,and a few of the many complaints are more or less universal.Technology moves faster than the education system.Teachers must teach at the pace of the slowest student rather than the fastest. And一particularly in the United States一 school children as a group don't care much for,or excel（擅长）at,mathemnatics. So it's heartening to learn that a new kind of"classroom of the future"shows promise at easing some of these problems,starting with that fundamental piece of classroom furniture:the desk.A UK study involving roughly 400 students,mostly aged 8一10 years,and a new generation of multis-touch,multi-user,computerized desktop surfaces is showing that over the last three years the technology has appreciably boosted students'math skills compared with peers learning the same material via the con- ventional paper-and-pencil method.How?Through collaboration,mostly,as well as by giving teachers better tools by which to micromanage individual students who need some extra instruction while allowing the rest of the class to continue moving forward.Traditional instruction still shows respectable efficacy（效力）at increasing students'fluency in mathe- matics,essentially through memorization and practice一dull,repetitive practice.But the researchers have con-cluded that these new touchscreen desks boost both fluency and flexibility一the critical thinking skills that al- low students to solve complex problems not simply through knowing formulas and devices,but by being able to figure out what the real problem is and the most effective means of stripping it down and solving it.One reason for this,the researchers say,is the multi-touch aspect of the technology.Students working in the next-gen classroom can work together at the same tabletop,each of them contributing and engaging with the problem as part of a group.Known as SynergyNet,the software uses computer vision systems that see in the infrared（红外线的）spectrum to distinguish between different touches on different parts of the surface, allowing students to access and use tools on the screen,move objects and visual aids around on their desk- tops,and otherwise physically interact with the numbers and information on their screens.By using these screens collaboratively,the researchers say,the students are to some extent teaching themselves as those with a stronger grasp on difficult concepts pull other students forward along with them.How does the new tech work to improve students'mathematical learning?A:It helps fast learners to learn faster.B:It enables them to work together.C:It makes teachers'instruction unnecessary.D:It allows the whole class to learn at the same pace.
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第二篇Students Learn Better with Touchscreen DesksObserve the criticisms of nearly any major public education system in the world,and a few of the many complaints are more or less universal.Technology moves faster than the education system.Teachers must teach at the pace of the slowest student rather than the fastest. And一particularly in the United States一 school children as a group don't care much for,or excel（擅长）at,mathemnatics. So it's heartening to learn that a new kind of"classroom of the future"shows promise at easing some of these problems,starting with that fundamental piece of classroom furniture:the desk.A UK study involving roughly 400 students,mostly aged 8一10 years,and a new generation of multis-touch,multi-user,computerized desktop surfaces is showing that over the last three years the technology has appreciably boosted students'math skills compared with peers learning the same material via the con- ventional paper-and-pencil method.How?Through collaboration,mostly,as well as by giving teachers better tools by which to micromanage individual students who need some extra instruction while allowing the rest of the class to continue moving forward.Traditional instruction still shows respectable efficacy（效力）at increasing students'fluency in mathe- matics,essentially through memorization and practice一dull,repetitive practice.But the researchers have con-cluded that these new touchscreen desks boost both fluency and flexibility一the critical thinking skills that al- low students to solve complex problems not simply through knowing formulas and devices,but by being able to figure out what the real problem is and the most effective means of stripping it down and solving it.One reason for this,the researchers say,is the multi-touch aspect of the technology.Students working in the next-gen classroom can work together at the same tabletop,each of them contributing and engaging with the problem as part of a group.Known as SynergyNet,the software uses computer vision systems that see in the infrared（红外线的）spectrum to distinguish between different touches on different parts of the surface, allowing students to access and use tools on the screen,move objects and visual aids around on their desk- tops,and otherwise physically interact with the numbers and information on their screens.By using these screens collaboratively,the researchers say,the students are to some extent teaching themselves as those with a stronger grasp on difficult concepts pull other students forward along with them.Which of the following statements is NOT true of the public education system?A:It does not catch up with the development of technology.B:Some similar complaints about it are heard in different countries.C:Many students are not good at learning mathematics.D:Teachers pay more attention to fast learners than slow learners.
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第一篇The National TrustThe National Trust in Britain plays an increasingly important part in the preservation for public enjoyment of the best that is left unspoiled of the British countryside.Although the Trust has received practical and moral support from the Government,it is not a rich government department.It is a voluntary association of people who care for the unspoiled countryside and historic buildings of Britain.It is a charity which depends for its existence on voluntary support from members of the public.Its primary duty is to protect places of great natural beauty and places of historical interest.The attention of the public was first drawn to the dangers threatening the great old houses and castles of Britain by the death of Lord Lothian,who left his great seventeenth-century house to the Trust together with the 4,500-acre park and estate surrounding it.This gift attracted wide publicity and started the Trust'5 "Country House Scheme".Under this scheme,with the help of the Government and the general public,the Trust has been able to save and make accessible to the public about 150 of these old houses.Last year,about 1.75 million people paid to visit these historic houses,usually at a very small charge.In addition to country houses and open spaces,the Trust now owns some examples of ancient wind and water mills,nature reserves,540 farms and nearly 2,500 cottages or small village houses,as well as some complete villages.In these villages no one is allowed to build,develop or disturb the old village environment in any way and all the houses are maintained in their original 16th century style.Over 4,000 acres of coastline,woodland, and hill country are protected by the Trust and no development or disturbances of any kind are permitted.The public has free access to these areas and is only asked to respect the peace,beauty and wildlife.Over the past 80 years the Trust has become a big and important organization and an essential and respected part of national life.It helps to preserve all that is of great natural beauty and of historical significance not only for future generations of Britons but also for the millions of tourists who each year invade Britain in search of a great historic and cultural heritage.All the following can be inferred from the passage EXCEPT_______.A:the Trust is more interested in protecting the 16th century housesB:many people came to visit the historic houses saved by the TrustC:visitors can get free access to some places owned by the TrustD:the Trust has a history which is longer than 80 years
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用vi打开一个文件，如何用字母”new”来代替文件中所有的字母”old”A．:r/old/newB．:s/old/newC．:1,$s/old/new/gD．:%s/old/new/g
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