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提问人：网友hy673369825 发布时间：2022-01-06

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听力原文：Human beings enjoy challenges. Many of them like physical challenges. They ask th

听力原文： Human beings enjoy challenges. Many of them like physical challenges. They ask themselves questions like these: How fast can I run ？ How high can I climb？ How deep can I dive？ How far can I swim？ How long can I hold my breath？ How much can I lift？ How high can I jump？ Because people enjoy challenges, they like to play sports and watch other people play sports. They like climbing, running, diving, lifting, jumping, and so on. Every four years millions of people all over the world enjoy the international sports competitions called the Olympics.

There are challenges that are not physical challenges. There are social and intellectual challenges, too. Leonardo Da Vinci, who lived in Italy during the fifteenth century, enjoyed every possible challenge. He was an artist and painted the well-known picture, the Mona Lisa. He was an inventor who invented a device to let people breathe under water. He was a scientist, and he learned a great deal about human anatomy.

Another kind of challenge faced the Egyptians between 4,000 and 5,000 years ago when they decided to build the first pyramid. They used six million tons of rock. That is enough to build a ten-foot wall around all of France. Four hundred thousand men worked for twenty years to build it.

So, for thousands of years, people accept challenges. Today we still have many challenges before us. Medical science faces the challenges of conquering the many diseases which still attack human beings. Engineers and planners must build new cities and new kinds of transportation. Scientists must develop new forms of energy. And many of us are interested in the challenge of space. We live in an age of challenge.

(30)

A．Intellectual challenge.

B．Social challenge.

C．Physical challenge.

D．Economic challenge.

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更多“听力原文：Human beings enjoy challenges. Many of them like physical challenges. They ask th”相关的问题

第1题

听力原文：M: Beautiful! Is it one of your most affecting shots illustrating human beings？W:

听力原文：M: Beautiful! Is it one of your most affecting shots illustrating human beings？

W: Well, thank you for your compliment. Yes, I'm very fond of it myself.

Q: What are they talking about？

(17)

A．A well-done portrait.

B．An excellent photo.

C．An illustration in a book.

D．A beautiful scene.

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第2题

听力原文：We are now living in a world in which robots are taking over much of the work.Rob

听力原文： We are now living in a world in which robots are taking over much of the work.Robots make our cars, fly our planes and work out wages.

But these robots are not mechanical men and women.They do not look like us.They are machines specially built to do some of the things that human beings can.

Although they may not look like us,robots need some human features in order to be able to do human work.First of all they need some kind of brain.Their "brain" is a computer,which has a memory to human member instructions and ability to control other equipment.Another essential feature of many robots is an arm that can do the kind of things that human beings can with their arms.One-armed robots are now coming into widespread use in industry.They are being used,for example,on car assembly lines.

The great advantage of robots over human workers is that they can work non-stop for long periods. They never get tired,and always work with the same accuracy.They can also work in conditions that humans could not bear.Last but not least,as more robots are built,their cost will come down.

Although robots are rapidly taking over many jobs in industry, they seem a long way from taking over in the home. The problem is that it would take a very complex and costly robot to perform. half the tasks involved in housework.

According to the speaker,what can the present-day robots do？

A．Drive cars.

B．Fly planes.

C．Pay wages.

D．Repair machines.

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第3题

听力原文：Woman: In most cases, interviewers and interviewees will make full preparations b

efore interviewing. To both, the interview seems like a challenge between two minds or intelligences. Psychologically it is advisable. I find nobody controls an interview--neither you nor the interviewer--although one or both parties often try. Otherwise it becomes a phony exchange between two human beings; no business is likely to be transacted. Remember, compulsive behavior. turns off your authenticity.

(17)

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第4题

听力原文：Science fiction writers have often imagined human beings going to live on Mars. B

听力原文： Science fiction writers have often imagined human beings going to live on Mars. But these days scientists are taking the idea seriously. It has a great deal to recommend it since it might solve the problem of overcrowding on the earth, but obviously it would not be worth making the effort unless people could live there naturally. If the were like that of Earth, this might be possible. But m fact, it s mostly carbon dioxide(CO2). Apart from that, there are other problems to be overcome. For example, the temperature would have to be raised from 60~C below zero to 15~C above it. Scientists who study Mars have laid down the program that they can follow. To begin with, they will have to find out whether life has ever existed on planet Mars in the past. Secondly, they will have to make a reliable map of its surface, and finally they will have to make a list of the gases. Above all, they will have to discover how much nitrogen it possesses, since nitrogen is four-fifths of the air we breathe. They're surprisingly optimistic about raising the temperature on Mars and believe it could be done in 200 years. It would take a bit longer, though, to transform. the atmosphere so that human beings could live there. Scientists estimate that this will take 100,000years.

(33)

A．Because people might have to migrate there someday.

B．Because it is very much like the earth.

C．Because it is easier to explore than other planets.

D．Because its atmosphere is different from that of the earth.

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第5题

听力原文： US President George W. Bush says be recognizes human beings contribute to global

climate change but he remains unyielding in his opposition to the Kyoto Accord on the issue. Bush made the remarks on Wednesday before the G8 summit in Scotland, saying the Kyoto Accord does not work because many developing nations are not included. He added that he would push for a post-Kyoto era at the summit. Climate change is a top-of-the- agenda issue at the G8 meeting. The United States, the world's biggest polluter, is the only one at the summit not to have signed the treaty to cut emissions of carbon dioxide.

According to Goerge W. Bush, what will be the future action of US concerning the Kyoto Accord？

A．To call on more effort to reduce human beings' contribution to global climate change.

B．To include more developing countries into the Accord

C．To continue to oppose to the Accord

D．To sign the treaty to cut emissions of carbon dioxide.

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第6题

听力原文：Science fiction writers have often imagined human beings going to live on Mars. B

听力原文： Science fiction writers have often imagined human beings going to live on Mars. But these days, scientists are taking the idea seriously. It has a great deal to recommend it, since it might solve the problem of overcrowding on the earth. But obviously, it would not be worth making the effort unless people could live there naturally. If the atmosphere were like that of the earth, this might be possible. But in fact it is mostly carbon dioxide. Apart from that, there are other problems to be overcome. For example, the temperature Would have to be raised from 60 degrees below zero to 15 degrees above it. Scientists who study Mars have laid down the program that they can follow. To begin with, they will have to find out whether life has ever existed on the planet of Mars in the past. Secondly, they will have to make a reliable map of its surface. And finally, they will have to make a list of the gases. Above all, they will have to discover how much nitrogen it possesses, since nitrogen is four fifths of the air we breathe. They are surprisingly optimistic about raising the temperature on Mars and believe it could be done in two hundred years. It will take a bit longer, though, to transform. the atmosphere so that human beings, could live there. Scientists estimate that this will take one hundred thousand years.

(33)

A．Because people might have to migrate there someday.

B．Because it is very much like the earth.

C．Because it is easier to explore than other planets.

D．Because its atmosphere is different from that of the earth.

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第7题

听力原文：Human beings are cutting down the world's rain forests at the rate of 20 hectares

听力原文： Human beings are cutting down the world's rain forests at the rate of 20 hectares a minute (31) . Every year, 30 million hectares of rain forests are destroyed. And at this rate, most of the world's rain forests will disappear very soon.

The forests are cut down sometimes for wood, sometimes for farms so that crops and vegetables can be planted and sometimes to make way for roads. But the forests do not re-grow. The soil is very thin and it is soon washed away by the rain. The land is then too poor for the forests to begin to grow again.

There are a number of good reasons for saving the rainforests. Several important drugs in hospitals have come from the rain forests. Also they produce food. The rain forests are rich in wildlife, too. They cover less than 10% of the world's land, but they contain 40%～50%of the world's species of plants and animals (29) . The trees supply oxygen. If the rain forests are destroyed, this will change the world's weather (30) . Temperatures will go up, sea levels will rise and there will be changes in rain and snowfall.

Today, research studies in forests in Panama, New Guinea and Indonesia may help us to find solutions to save the world's rain forests.

(30)

A．15%.

B．10%.

C．About 50%.

D．Nearly 30%.

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第8题

听力原文： US President George W. Bush says he recognizes human beings contribute to global

climate change but he remains unyielding in his opposition to the Kyoto Accord on the issue. Bush made the remarks on Wednesday before the G8 summit in Scotland, saying the Kyoto Accord does not work because many developing nations are not included. He added that he would push for a post-Kyoto era at the summit. Climate change is a top-of-the- agenda issue at the G8 meeting. The United States, the world's biggest polluter, is the only one at the summit not to have signed the treaty to cut emissions of carbon dioxide.

According to Goerge W. Bush, what will be the future action of US concerning the Kyoto Accord？

A．To call on more effort to reduce human beings' contribution to global climate change.

B．To include more developing countries into the Accord.

C．To continue to oppose to the Accord.

D．To sign the treaty to cut emissions of carbon dioxide.

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第9题

听力原文：The Antarctic is probably the most difficult place on earth for human beings to s

听力原文： The Antarctic is probably the most difficult place on earth for human beings to survive. For six months of the year there is total darkness, and temperatures may fall as law as -88~C. Even in the summer months the temperature is often below zero.

The first successful expedition to the South Pole was led by Ronald Amundsen. His team used dogs and sledges to cress the frozen continent, and reached the pole in December 1911. in 1928, Richard Byrd decided to lead an expedition to the Antarctic to explore the unknown area from the air for the first time. It was the largest and best equipped expedition that had ever set out for the Antarctic. Byrd and his team established a base which they called Little America on the coast of the Rosa Sea. In November 1929, during the Antarctic spring, Byrd and three colleagues flew from the Little America base to the South Pole and back in 19 hours.

Byrd's major achievement was to introduce the use of aircraft ,radio and other devices in polar exploration. He did not agree with Ronald Amundsen that the airplanes would one day replace dogs and sledges; he believed that modern techniques were only an addition to the traditional methods of exploration. All of his expeditions, therefore, carded dogs and sledges, and people to look after them. This proved very efficient, and Byrd was able to achieve results of great scientific value.

What is the lowest temperature in the Antarctic？

A．-50℃.

B．-68℃.

C．-70℃.

D．-88℃.

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第10题

听力原文： Today I will continue my discussion of the behaviorist school of psychology, and

tell you what I feel about some problems related to behaviorism. The psychologist wishes to know human behavior. and human mind. He or she must therefore design methods of investigating human beings when they actually live. The behaviorist school of psychology, however, has done almost all of its studies under laboratory conditions. Behaviorism seems to want the respectability of natural science, but it uses the methods of fifty years ago. Moreover, behaviorist studies often do not make any great contributions, but the author will cover this up with mathematical tables and statistics which are not important for the study. To investigate human behavior. in a more natural setting is difficult, I admit. Nevertheless, there are at least two ways to conduct such a task.

According to the speaker, what are the problems related to behaviorism？

A．The behaviorist school of psychology has done its studies under laboratory conditions.

B．Behaviorism uses the update methods.

C．Mathematical tables and statistics are not very useful.

D．All of the above.

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第11题

听力原文：A computer is a machine designed to perform. work mathematically and to store and

听力原文： A computer is a machine designed to perform. work mathematically and to store and select information that has been fed into it. It is run by either mechanical or electronic means. These machines can do a great deal of complicated work in a very short time. A large computer, for example, can add or subtract nine thousand times a second, multiply a thousand times a second, or divide five hundred times a second. Its percentage of error is about one in a billion digits. It has been estimated that human beings making calculations average about one mistake per two hundred digits.

The heart of an electronic computer lies in its vacuum tubes, or transistors. Its electronic circuits work a thousand times faster than the nerve cells in the human brain. A problem that might take a human being two years to solve can be solved by a computer in one minute, but in order to work properly, a computer must be given instructions--it must be programmed.

Computers can be designed for many specialized purposes--they can be used to prepare payrolls, guide airplane flights, direct traffic, even to play chess. Computers play an essential role in modern automation in many plants and factories throughout the world.

(33)

A．One in a billion digits.

B．Zero.

C．One mistake per two hundred digits.

D．One in a million digits.

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