One reason for the present interest in both polar regions is that the world may soon b

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Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： One of the reasons for our success as a species is our ability to eat and thrive on a large variety of foods. Many animal species have become extinct or are on the verge of extinction partly because they lack this adaptability. They need to feed on particular food plant or a particular kind of animal or insect. If this source of food is for any reason removed then the animal concerned is unable to change to a different diet. Gradually it becomes extinct. But human beings are almost entirely free from the limitation of any particular food requirements. We are able to survive on a wide variety of foods both animal and vegetable. For example, the Eskimos are almost totally meat eaters: seal, bear, whale meat and fish form. their whole diet; the Aborigines of Australia, living in desert regions, have leant to survive by making use of different insects as food to supplement their diet of wild fruits and roots.

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A．It is an ability both man and animals possess.

B．It is the reason for man's superiority over animals.

C．It is one of the reasons for man's success as a species.

D．It is a proof of our superior intelligence.

A.Because they like the taste of tar.

B.Because smoking makes them feel relaxed.

C.Because smoking is fun to them.

D.Because smoking cures them of cancer.

Another reason is that people simply enjoy smoking and what it symbolizes. Having a cigarette for many people means taking a break. For some people smoking becomes part of certain social forms, for example, the cigarette after dinner. Many people enjoy smoking because it makes their hands busy.

Many people also like the taste of tar in cigarettes. However, it is the tar that causes cancer. While governments and health experts have tried to make people give up smoking entirely, cigarette manufacturers have to keep selling them by p reducing cigarettes with less tar. Many people in western countries have welcomed these cigarettes since they find it difficult to stop smoking but want to reduce the risk to their health.

Why do so many people become dependent on cigarettes？

A．Because they like the taste of tar.

B．Because smoking makes them feel relaxed.

C．Because smoking is fun to them.

D．Because smoking cures them of cancer.

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： If you visit a big city anywhere in the world, you will probably find a restaurant which serves the food of 27 your native country. Most large cities in the United States offer an international sample of foods. Many people enjoy eating the food of other nations. This is probably one reason why there are so many different kinds of restaurants in the United States. A second reason is that many Americans come from other parts of the world. They enjoy tasting the foods of their native lands. In the city of Detroit, for example, there are many people from Western Europe, Greece, Latin America, and the Far East. There are many restaurants in Detroit which serve the foods of these areas. There are many other international restaurants too. Americans enjoy the foods in these restaurants as well as the opportunity to better understand the people and their way of life. One of the most common international restaurants to be found in the United States is the Italian restaurant. The restaurant may be a small business run by a single family. The mother of the family cooks all of the dishes, and the father and children serve the people who come to eat there. Or it may be a large restaurant owned by several different people who work together in the business. Many Italian dishes that Americans enjoy are made with meats, tomatoes and cheese. They are very delicious and tasty.

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A．Many foreign tourists visit the United States every year.

B．Americans enjoy eating out with their friends.

C．The United States is a country of immigrants.

D．Americans prefer foreign foods to their own food.

A、One reason why...

B、One reason why...

C、The next reason is ...

D、A reason for her starting her own business is...