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7.In spite of many risks, scientists will finally
［A］an environment without ultraviolet light
［B］a lot of homes
［C］an Earth like environment
［D］an environment with atmosphere
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更多 “ 7.In spite of many risks, scientists will finally ［A］anenvironmentwithoutultravioletlight［B］alotofhomes［C］anEarthlikeenvironment［D］anenvironmentwithatmosphere ” 相关考题
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Many companies self insure against some risk. Problems which can arise from self-insurance include:A failure to reserve funds to handle worst case scenarios (low probability events) resulting in severe financial damage to the companyB stiff competition from insurance companiesC confusion of business risks with insurable risks.D A and CE All of the above.
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163 Many companies self insure against some risk. Problems which can arise from self-insurance include:A. failure to reserve funds to handle worst case scenarios (low probability events) resulting in severe financial damage to the companyB. stiff competition from insurance companiesC. confusion of business risks with insurable risks.D. A and CE. All of the above
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Do scientists know how many cryptic species exist?A．Not yet.B．Yes, they do.C．They will know the answer in another one or two years.D．They will never know the answer.
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At the beginning, how did many scientists view Peppeberg's work?A． It would reveal a creature's mind.B． It would probably end in failure.C． It would be hard to judge its value.D． It would be a long-term project.
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________ many times, he finally understood it.A. Told B. Telling C. Having told D. Having been told
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The main idea of this passage is ______.A. many animals die during hibernationB. hibernation protects animals during the wintertimeC. scientists feel puzzled about hibernationD. some bats hibernate and others do not
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听力原文：M: Can you give an example of types of risks Banks face?W: Yes. The major type of risks is called credit risk. It means a counterpart fails to perform. according to a contractual arrangement.Q: What are they talking about?(13)A．A contractual arrangement.B．A counterpart.C．Many types of risks.D．Credit risk.
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We failed to carry our plans through _____ great efforts.
A.despite ofB.spite ofC.in spite ofD.in spite
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We may conclude from the text that _____.［A］ human cloning will not succeed unless the technique is more efficient［B］ scientists are optimistic about cloning technique［C］ many people are against the idea of human cloning［D］ cloned animals are more favored by owners even if they are weaker
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22． In a recent survey at one school，scientists found many students liked_________A． vegetablesB． unhealthy foodC． fruitsD． healthy food
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Psychology tells us that many people hate to take risks. But it is good for us to take risks, especially when the risk is to achieve a desired result. In that way, we become stronger and braver.
Our human nature should be to take risks, but some people just sit and wish they didn't have the fear to move on. This is because they failed a few times in their lives. Please step out and don't let the past hold you back from living life to the fullest. Move forward and move on! In studying the psychology of taking risks, we find that human provides us with the desire to experiment and take chances.
Risk taking is a great advantage that allowed our ancestors to become stronger and stronger day by day. By taking risks they fought off enemies and discovered new territories. This attitude has become a part of our modem culture. Riding a roller caster is a common risk taking activity. Even each person seems to enjoy the risk although they have the understanding that it is dangerous. This psychological and biological connection creates an interesting connection between what is unsafe and what humans enjoy.
Getting in a car each day is a risk. Getting out of bed is a risk, too. We need to take risks so that we can complete many things. Astronauts take risks when they get inside a rocket; however,the things they achieve are great. Businessmen take a risk when they buy parts of a company, however, without doing that, they could not make more money.
We need to take risks so that we can gain something. It is impossible to move forward in life, earn money, enjoy a relationship, play a sport, or doing anything else without taking a risk. It is all part of the game. It' s one of the most important parts of life.
What would be the title for the passage?A.Taking Risks Is Easier Said than Done
B.Risks Taken by Ancestors
C.Live Our Life to the Fullest
D.No Risk, No Gain
考题
Psychology tells us that many people hate to take risks. But it is good for us to take risks, especially when the risk is to achieve a desired result. In that way, we become stronger and braver.
Our human nature should be to take risks, but some people just sit and wish they didn't have the fear to move on. This is because they failed a few times in their lives. Please step out and don't let the past hold you back from living life to the fullest. Move forward and move on! In studying the psychology of taking risks, we find that human provides us with the desire to experiment and take chances.
Risk taking is a great advantage that allowed our ancestors to become stronger and stronger day by day. By taking risks they fought off enemies and discovered new territories. This attitude has become a part of our modem culture. Riding a roller caster is a common risk taking activity. Even each person seems to enjoy the risk although they have the understanding that it is dangerous. This psychological and biological connection creates an interesting connection between what is unsafe and what humans enjoy.
Getting in a car each day is a risk. Getting out of bed is a risk, too. We need to take risks so that we can complete many things. Astronauts take risks when they get inside a rocket; however,the things they achieve are great. Businessmen take a risk when they buy parts of a company, however, without doing that, they could not make more money.
We need to take risks so that we can gain something. It is impossible to move forward in life, earn money, enjoy a relationship, play a sport, or doing anything else without taking a risk. It is all part of the game. It' s one of the most important parts of life.
Some people don't want to take risks, mainly because__A.they are too lazy to move on
B.they feel pleased with the present life
C.they have failed several times before
D.they show little interest in the strange world outside
考题
Psychology tells us that many people hate to take risks. But it is good for us to take risks, especially when the risk is to achieve a desired result. In that way, we become stronger and braver.
Our human nature should be to take risks, but some people just sit and wish they didn't have the fear to move on. This is because they failed a few times in their lives. Please step out and don't let the past hold you back from living life to the fullest. Move forward and move on! In studying the psychology of taking risks, we find that human provides us with the desire to experiment and take chances.
Risk taking is a great advantage that allowed our ancestors to become stronger and stronger day by day. By taking risks they fought off enemies and discovered new territories. This attitude has become a part of our modem culture. Riding a roller caster is a common risk taking activity. Even each person seems to enjoy the risk although they have the understanding that it is dangerous. This psychological and biological connection creates an interesting connection between what is unsafe and what humans enjoy.
Getting in a car each day is a risk. Getting out of bed is a risk, too. We need to take risks so that we can complete many things. Astronauts take risks when they get inside a rocket; however,the things they achieve are great. Businessmen take a risk when they buy parts of a company, however, without doing that, they could not make more money.
We need to take risks so that we can gain something. It is impossible to move forward in life, earn money, enjoy a relationship, play a sport, or doing anything else without taking a risk. It is all part of the game. It' s one of the most important parts of life.
What can we infer from the passage?A.Daily life is full of risks.
B.The safest place has the greatest risk.
C.People should take risks when they are young.
D.We can always achieve our goals by taking risks.
考题
Psychology tells us that many people hate to take risks. But it is good for us to take risks, especially when the risk is to achieve a desired result. In that way, we become stronger and braver.
Our human nature should be to take risks, but some people just sit and wish they didn't have the fear to move on. This is because they failed a few times in their lives. Please step out and don't let the past hold you back from living life to the fullest. Move forward and move on! In studying the psychology of taking risks, we find that human provides us with the desire to experiment and take chances.
Risk taking is a great advantage that allowed our ancestors to become stronger and stronger day by day. By taking risks they fought off enemies and discovered new territories. This attitude has become a part of our modem culture. Riding a roller caster is a common risk taking activity. Even each person seems to enjoy the risk although they have the understanding that it is dangerous. This psychological and biological connection creates an interesting connection between what is unsafe and what humans enjoy.
Getting in a car each day is a risk. Getting out of bed is a risk, too. We need to take risks so that we can complete many things. Astronauts take risks when they get inside a rocket; however,the things they achieve are great. Businessmen take a risk when they buy parts of a company, however, without doing that, they could not make more money.
We need to take risks so that we can gain something. It is impossible to move forward in life, earn money, enjoy a relationship, play a sport, or doing anything else without taking a risk. It is all part of the game. It' s one of the most important parts of life.
What does the underlined part "This attitude" in paragraph 3 mean?A.Taking risks.
B.Fighting off enemies.
C.Discovering new territories.
D.Becoming stronger and stronger.
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After many years' wandering all over the world,the man finally settled down to the business his father left to him.A:focused on
B:depended on
C:insisted on
D:dwelled on
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Many scientists have been probing psychological problems.A:solving B:exploring C:seffling D:handling
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共用题干
第一篇An Expensive MistakeIs there water on the planet Mars? Is there life on Mars?Was there ever life on Mars?Scientists from NASA wanted to know the answers to tliese questions.They built a spacecraft to travel around Mars and get informnation.The spacecraft was called the Mars Climate orbiter.The Mars Climate Orbiter left for Mars iii December 1998.The trip took nine and a half months.At first, everything was fine.However.when the Orbiter got near Mars,something terrible happened.The spacecraft didn't go to the right place.It went too close to Mars.it was too hot for the Orbiter there.The spacecraft couldn't function correctly.Suddenly,it stopped sending messages to NASA.The Orbiter was lost.How could this terrible thing happen? How did the Orbiter get closer to Mars than the scientists planned? Finally,they found the anlswer. Two teams of scientists worked together on the Orbiter. One team was in England,and one teann was in the United States.There were many similarities in the way they worked,but there was one important difference:The teams used different guidelines for measuring things.The United States team used the metric systcnni（公制）.The oilier team used the English system.Because they used different systems,the scientists made a mathematical mistake.The Orbiter's orbit (the shape and pattern of its path)around Mars was not correct.The scientists put the Orbiter on the wrong path.The Orbiter got too close amid too hot,and it stopped functioning.Why didn'tanybody see the mistake before it was too late?Many things contributed to the problem. One thing was that NASA scientists and mathematicians were working on two other spacecrafts at the same time.This was a challenge,and they were very tired from working long hours.The Mars Climate Orbiter cost $94 million to build.It also cost a lot of money to try to find the lost Or- biter in space.In addition,NASA's research on the cause of the problem was very expensive.This wasn't the first time that two different measurement systems caused mistakes in scientific projects.However,the Mars Climate Orbiter was definitely the most expensive mistake of all!What caused the Orbiter's problem?A:Scientists used wrong guidelines of mathematics.B:Scientists used wrong building materials.C:Scientists used different operating systems.D:Scientists used different measurement systems.
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共用题干
An Expensive MistakeIs there water on the planet Mars?Is there life in Mars? Was there ever life on Mars? Scientists from NASA wanted to know the answers to these questions.They built a space-craft to travel around Mars and get information.The spacecraft was called the Mars Climate Orbiter.The Mars Climate Orbiter left for Mars in December 1998.The trip took nine and a half months.At first,everything was fine.However,when the Orbiter got near Mars,something terrible happened.The spacecraft didn't go to the right place.It went too close to Mars.It was too hot for the Orbiter there.The spacecraft couldn't function correctly.Suddenly,it stopped sending messages to NASA.The Orbiter was lost.How could this terrible thing happen? How did the Orbiter get closer to Mars than the scientists planned?Finally,they found the answer.Two teams of scientists worked together on the Orbiter.One team was in England,and one team was in United States.There were many similarities in the way they worked,but there was one important difference:The teams used different guidelines for measuring things.The United States team used the metric system（公制）.The other team used the English system.Because they used different systems,the scientists made a mathematical mistake.The Orbiter's orbit(the shape and pattern of its path)around Mars was not correct.The scientists put the Orbiter on the wrong path.The Orbiter got too close and too hot.And it stopped functioning.Why didn't anybody see the mistake before it was too late? Many things contributed to the problem.One thing was that NASA scientists and mathematicians were working on two other spacecrafts at the same time.This was a challenge,and they were very tired from working long hours.The Mars Climate Orbiter cost$94 million to build.It also cost a lot of money to try to find the lost Orbiter in space.In addition,NASA's research on the cause of the problem was very expensive.This wasn't the first time that two different measurement systems caused mistakes in scientific projects.However,the Mars Climate Orbiter was definitely the most expensive mistake of all!What caused the Orbiter's problem,______.A:Scientists used wrong guidelines of mathematicsB:Scientists used wrong building materialsC:Scientists used different operating systemsD:Scientists used different measurement systems
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At least how many tests were carried out by the scientists referred to in this passage A.Three
B.Two
C.Only one
D.No one knows
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问答题The worst pollution threat is concentrated in and near large cities. There the people-made pollutants increasingly surpass the ability of air and water to dilute (冲淡；稀释) the contaminants (污染物) to safe levels. The natural ecological cycle depends on plants, which absorb some pollutants and release oxygen to the air. But near large cities, natural vegetation becomes scarce, and introduced trees, ornamental shrubs and gardens are far from adequate in absorbing motor vehicle and industrial air pollutants. Finally, some pollutants, most notably atomic waste, may continue to contaminate air, land, and water for thousands of years. Therefore, ecocrisis—ecocatastrophe or ecocide—has been for some time one of the major concerns of not only the ecoactivists and environmentalists, but of many scientists of other fields and the government authorities of many countries as well.
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单选题Since many insects have already become（）to DDT, scientists have to look for some new insecticideA
activeB
resistantC
toughD
gradual
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单选题How many more decades will have to pass ______ scientists succeed in providing a cure for cancer?A
whenB
beforeC
sinceD
until
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单选题According to the passage, which of the following statements is NOT true?A
The potential health hazards of mobile phones call for further research.B
The Australian scientists find no connection between growth of tumors in human body and radiation from mobile phones.C
The Italian scientists’ belief is shared by other scientists.D
The British government inquiry didn’t establish any link between health risks and use of mobile phones.
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问答题Although multitasking kids may be better prepared in some ways for today's fast-paced workplace, many scientists are positively alarmed by the trend.
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