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37 Why do researchers estimate elephant numbers in an area by counting dung piles?A Becaus

37 Why do researchers estimate elephant numbers in an area by counting dung piles?

A Because elephants are difficult to catch

B Because it is not possible to count elephants from a plane.

C Because it is not possible to keep track of elephants.

D Because elephants are shy animals

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更多“37 Why do researchers estimate elephant numbers in an area by counting dung piles?A Becaus”相关的问题

第1题

37 Why do American restaurants serve large portions?A Because Americans associate quantity

37 Why do American restaurants serve large portions?

A Because Americans associate quantity with value.

B Because Americans have big bellies.

C Because Americans are good eaters.

D Because Americans are too weak.

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第2题

听力原文:Haven't you seen today's newspaper about the BTL company?(A) I have enough for to

听力原文:Haven't you seen today's newspaper about the BTL company?

(A) I have enough for today, thanks.

(B) Yes, I'm asking about the new one.

(C) Why do you ask?

(37)

A.

B.

C.

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第3题

听力原文:Why do we cry? Can you imagine life without tears? Not only do tears keep your ey

听力原文: Why do we cry? Can you imagine life without tears? Not only do tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so they can't infect your eye. Give up your tears, and you'll lose this onthespot defense. Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes. Tears are very good at washing this irritating stuff out. Another thing you couldn't do without your tears is cry from joy, anger or sadness. Humans are the only animals that produce tears in response to emotions, and most people say a good cry makes them feel better. Many scientists, therefore, believe that crying somehow helps us cope with emotional situations. Tear researcher, Winifred, is trying to figure out how it hap pens. One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress. When people talk about crying it out, "I think that might actually be what they are doing", he says. If Fred is right, what do you think will. happen to people who restrain their tears? Boys, for example, cry only about a quarter as often as girls once they reach teenage years, and we all cry a lot less now than we did as babies. Could it possibly be that we face less stress? Maybe we found another ways to deal with it, or maybe we just feel embarrassed.

(33)

A.Why people hold back their team.

B.Why people cry.

C.How to restrain one's mars.

D.How tears are produced.

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第4题

听力原文: Why do we cry? Can you imagine life without tears? Not only do tears keep your e
yes lubricated, they also contain a substance that kills certain bacteria so they can't infect your eyes. Give up your tears, and you'll lose this on-the-spot defense. Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes. Tears are very good at washing this irritating stuff out. Another thing you couldn't do without your tears is cry from joy, anger or sadness. Humans are the only animals that produce tears in response to emotions, and most people say a good cry makes them feel better. Many scientists, therefore, believe that crying somehow helps us cope with emotional situations. Tear researcher, Winifred, is trying to figure out how it happens. One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress. When people talk about crying it out," I think that might actually be what they are doing", he says. If Fred is right, what do you think will happen to people who restrain their tears? Boys, for example, cry only about a quarter as often as girls once they reach teenage years, and we all cry a lot less now than we did as babies. Could it possibly be that we face less stress? Maybe we found another ways to deal with it, or maybe we just feel embarrassed.

What's the topic discussed in this passage?

A.Why people hold back their tears.

B.Why people cry.

C.How to restrain one's tears.

D.How tears are produced.

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第5题

听力原文:Cambridge, best known as the affluent university town crammed with leading academ

听力原文: Cambridge, best known as the affluent university town crammed with leading academics, intellectuals and some of the nation's brightest students, has been awarded a rather less enviable accolade -- the smoking capital of Britain. The typical household in Cambridge spends a staggering £2,183 on tobacco every year- the equivalent to smoking 25 cigarettes a day. By contrast, Bracknell, in Berkshire, is the most abstemious. There, households spend a mere £183 a year on tobacco, smoking an average of just two cigarettes a day.

The figures are contained in a report, published this week, which examines spending habits by postcode across the UK. Why Cambridge should top such an unhealthy league table has baffled researchers. As John Reid, the Secretary of State for Health, tried to explain last week, smoking is the addiction of choice for Britain's working classes and highest consumption is usually found in the poorest areas of the country -- three suburbs of Liverpool make the top 10. Students may be one answer to Cambridge's position -- as anybody who has entered the university's myriad common rooms and student bars and witnessed the dense fug of smoke may attest.

Patrick Tate, principal researcher at CACI, the company behind the findings, said, "It is a weird anomaly. It doesn't tell us why it is happening but perhaps it is to do with the number of students."

What are the most prominent features of Cambridge according to the passage?

A.Busy, wealthy and intellectual.

B.Busy, wealthy and traditional.

C.Busy, abstemious and traditional.

D.Busy, intellectual and socially deprived.

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第6题

In general, people talk about two groups of colors: warm colors and cool colors. Researche
rs in psychology think that there are also two groups of people: people who prefer warm colors and people who prefer cool colors.

The warm colors are red, orange and yellow. Where there are warm colors and a lot of light, people usually want to be active. People think that red, for example, is exciting. Sociable people, those who like to be with others, like red. The cool colors are green, blue and violet. These colors, unlike warm colors, are relaxing. Where there are cool colors, people are usually quiet. People who like to spend time alone often prefer blue.

Red may be exciting, but one researcher says that time seems to pass more slowly in a room with warm colors than in a room with cool colors. He suggests that a warm color, such as red or orange is a good color for a living room or restaurant. People who are relaxing or eating do not want time to pass quickly. Cool colors arc better for offices of factories if the people who are working there want time to pass quickly.

Researchers do not know why people think some colors are warm and other colors are cool. However, almost everyone agrees that red, orange, and yellow are warm and that green, blue, and violet are cool. Perhaps warm colors remind people of warm days and the cool colors remind them of cool days. Because in the north the sun is higher during summer, the hot summer sunlight appears yellow.

Which of the following colors belong to cool colors?

A.Yellow, green.

B.Blue, violet.

C.Black, blue.

D.Brown, white.

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第7题

What is Mr. Poulos going to do?A.Seek workable solutionsB.Consult the market researcherC.I

What is Mr. Poulos going to do?

A.Seek workable solutions

B.Consult the market researcher

C.Identify the problems in the company

D.Adopt the new proposals

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第8题

Who should do something to deal with the noise pollution?A.the governmentsB.the researcher

Who should do something to deal with the noise pollution?

A.the governments

B.the researchers

C.the scientists

D.the world

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第9题

"Daydreaming again, barb? You'll never 【21】______anything if you spend you time that way!
Can't you find something useful to do?"

Many youngsters have heard words 【22】______ from their parents. And until recently this hostile attitude towards daydreaming was the most common one. Daydreaming was viewed as a waste of time. Or it was considered an unhealthy escape from real life and 【23】______ duties. But now some people are taking a fresh look at daydreaming. Some think it may be a very healthy thing to do.

Attitudes towards daydreaming are changing 【24】______ attitudes towards night dreaming have changed. Once it was thought that nighttime dreams 【25】______ our 【26】______ rest. But then researchers tried 【27】______ the dreams of sleepers. They learned that sleepers who are allowed to dream lose the benefits of rest. They have trouble concentrating. Their mental health is 【28】______damaged. 【29】______again, they must be allowed to dream.

Now researchers are finding that daydreaming may also be important to mental health. Daydreaming, they tell us, is a good means of relaxation. But its benefits go 【30】______ A number of psychologists have conducted experiments and have reached some surprising conclusions.

Dr. Joan T. Freyberg has concluded that daydreaming 【31】______ intellectual growth. It also improves concentration, attention span, and the 【32】______ to get along with others, she says. In an experiment 【33】______ schoolchildren, this same researcher found that daydreaming led the children to pay more attention to detail. They had 【34】______ feelings. They worked together better. Another researcher reported that daydreaming seemed to produce improved self-control and creative abilities.

But that's only part of the story. The most remarkable thing about daydreaming may be its 【35】______ in shaping our future lives as we want 【36】______. Industrialist Henry J. Kaiser believed that much of his success was 【37】______ the positive use of daydreaming. He 【38】______ that "you can imagine your future." Florence dreamed of becoming a nurse. 【39】______ pictured himself as an inventor. For these notable achievers, it appears that their daydreams came true.

Dr. Harry Emerson Fosdick believed that the way we picture ourselves is often the way we turn out. He offered this advice, "... Picture yourself vividly as defeated, 【40】______ alone will make victory impossible ..."

【21】

A.reach

B.amount to

C.arrive

D.gain

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