公共英语四级听力-35及答案解析.doc

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1、公共英语四级听力-35 及答案解析(总分：100.00，做题时间：90 分钟)一、BSection Liste(总题数：0，分数：0.00)二、BPart A/B(总题数：1，分数：25.00)For Questions 1-5, you will hear a report. While you listen, fill out the table with the information you have heard. Some of the information has been given to you in the table. Write only 1 word in each

2、numbered box. You will hear the recording twice. You now have 25 seconds to read the table below.Information About the ReportFinancial aid programs in the United States, especially at the undergraduate level, do often require_ citizenship.UU 1 /U/UIf a student wants to get the scholarship, he has to

3、be _ blind.UU 2 /U/UThe average amount of money for the scholarship is_ dollars.UU 3 /U/UThe highest amount of money for the scholarship is_ dollars.UU 4 /U/UThe number of blind adults in the US is _.UU 5 /U/U（分数：25.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_三、BPart B/B(总题数：1，分数：25.00)For Questions 6-10,

4、 you will hear a passage. While you listen, complete the sentences and answer the question. Use not more than 3 words for each answer. You will hear the recording twice. You now have 25 seconds to read the sentences and the question below.（分数：25.00）(1).Health experts have discovered that adding low-

5、calorie vegetable broth to the start of a meal can actually help to _.（分数：5.00）填空项 1:_(2).This is because you tend to feel full sooner, you eat less of your _.（分数：5.00）填空项 1:_(3).Participants in the study who ate a course of soup before lunch reduced their total calorie intake by _, compared with th

6、ose who didnt.（分数：5.00）填空项 1:_(4).Researchers stressed the soup must be low-calorie and based on stock, not _.（分数：5.00）填空项 1:_(5).Thick soups and thin soups have _ effect.（分数：5.00）填空项 1:_四、BPart C/B(总题数：3，分数：50.00)You will hear three dialogues or monologues. Before listening to each one, you will ha

7、ve time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to check your answer. You will hear each piece once only.（分数：15.00）(1).How much is the damage done to the United States each year by red ants? A. 3 billion

8、 dollars. B. 4 billion dollars. C. 5 billion dollars. D. 6 billion dollars.（分数：5.00）A.B.C.D.(2).Which of the following is NOT the damage done by red ants? A. They can destroy the houses of farmers. B. They can injure animals and farmers. C. They destroy crops. D. They get into animal feed.（分数：5.00）A

9、.B.C.D.(3).What could be an effective way to control the red ants? A. To spread a kind of virus within the ants themselves. B. To use fire to destroy them. C. To create a kind of powerful poison to destroy them. D. To raise other biological animals to kill them.（分数：5.00）A.B.C.D.（分数：15.00）(1).How man

10、y people become infected with malaria each year? A. Over 3 million. B. Over 7 million. C. Over 30 million. D. Over 70 million.（分数：5.00）A.B.C.D.(2).What is not one of the bad effects of malaria? A. The malaria parasites will grow and divide in the kidney. B. The red blood cells will then be invaded b

11、y the parasites which reproduce thousands of times later. C. The parasites cause a persons body temperature to rise. D. People with malaria may suffer kidney failure or loss of red blood cells.（分数：5.00）A.B.C.D.(3).What is the main idea of the passage? A. Malaria is uncontrollable. B. Scientists are

12、trying to develop insects resistant to malaria. C. How to kill mosquitoes. D. How useless science is in curing malaria.（分数：5.00）A.B.C.D.（分数：20.00）(1).The study was carried out by scientists from _. A. America and Australia B. America and Canada C. America and Austria D. America and China（分数：5.00）A.B

13、.C.D.(2).The scientists say one effect of shark fishing has been an estimated _ decrease in some shark populations. A. 9% B. 19% C. 90% D. 99%（分数：5.00）A.B.C.D.(3).Why is the demand for shark fins rising in Asia? A. Because there are fewer sharks in Asia. B. Because shark fins can be used for medical

14、 purposes and for food. C. Because shark fins are poisonous. D. Because shark fins are expensive.（分数：5.00）A.B.C.D.(4).For one of the studies, scientists from Canada noted a sharp decrease in _ kinds of great sharks since the nineteen eighties. A. 8 B. 9 C. 10 D. 11（分数：5.00）A.B.C.D.公共英语四级听力-35 答案解析(总

15、分：100.00，做题时间：90 分钟)一、BSection Liste(总题数：0，分数：0.00)二、BPart A/B(总题数：1，分数：25.00)For Questions 1-5, you will hear a report. While you listen, fill out the table with the information you have heard. Some of the information has been given to you in the table. Write only 1 word in each numbered box. You w

16、ill hear the recording twice. You now have 25 seconds to read the table below.Information About the ReportFinancial aid programs in the United States, especially at the undergraduate level, do often require_ citizenship.UU 1 /U/UIf a student wants to get the scholarship, he has tobe _ blind.UU 2 /U/

17、UThe average amount of money for the scholarship is_ dollars.UU 3 /U/UThe highest amount of money for the scholarship is_ dollars.UU 4 /U/UThe number of blind adults in the US is _.UU 5 /U/U（分数：25.00）填空项 1:_ （正确答案：American）解析：听力原文 Financial aid programs in the United States, especially at the underg

18、raduate level, do often require American citizenship. At the same time, scholarships often pay only part of the cost of an education. The National Federation of the Blind advises students to contact any school they wish to attend to ask about financial aid. The federation is the countrys largest gro

19、up for the blind. Each year it awards scholarships that do not have any citizenship requirements. Students must be legally blind. And foreign students cannot apply until a college in the United States has already accepted them. The application deadline is March thirty-first for thirty scholarships o

20、ffered for this fall. Most are three thousand dollars. The highest is twelve thousand dollars. The United States has an estimated one million blind adults. The federation says there are no special colleges or universities for the blind. But schools do offer special services and technology to help st

21、udents with disabilities.填空项 1:_ （正确答案：legally）解析：填空项 1:_ （正确答案：3,000）解析：填空项 1:_ （正确答案：12,000）解析：填空项 1:_ （正确答案：1,000,000）解析：三、BPart B/B(总题数：1，分数：25.00)For Questions 6-10, you will hear a passage. While you listen, complete the sentences and answer the question. Use not more than 3 words for each ans

22、wer. You will hear the recording twice. You now have 25 seconds to read the sentences and the question below.（分数：25.00）(1).Health experts have discovered that adding low-calorie vegetable broth to the start of a meal can actually help to _.（分数：5.00）填空项 1:_ （正确答案：lose weight）解析：听力原文 A bowl of soup a

23、day could keep the pounds at bay. Health experts have discovered that adding low-calorie vegetable broth to the start of a meal can actually help to lose weight. This is because you tend to feel full sooner, you eat less of your main course. The soup regime was tested by researchers at Pennsylvania

24、State University, led by Dr. Barbara Rolls. They found that when participants in the study ate a first course of soup before lunch they reduced their total calorie intake by 20 percent, compared with those who did not begin the meal with soup. But those who favour creamy soups should beware. Researc

25、hers stressed the soup must be low-calorie and based on stock, not cream. All of the soups tested in the study were made from identical ingredientschicken stock, broccoli, potato, cauliflower and carrots. They were blended to create four different textures and degrees of thickness from separate stoc

26、k and vegetables through to pured soup. Scientists thought that thick soups with chunks of vegetables which required chewing might be more filling, but to their surprise they found all forms had the same effect. The findings were presented to the Experimental Biology conference in Washington D. C. ,

27、 and the research was part funded by the National Institute of Health.(2).This is because you tend to feel full sooner, you eat less of your _.（分数：5.00）填空项 1:_ （正确答案：main course）解析：(3).Participants in the study who ate a course of soup before lunch reduced their total calorie intake by _, compared w

28、ith those who didnt.（分数：5.00）填空项 1:_ （正确答案：20%）解析：(4).Researchers stressed the soup must be low-calorie and based on stock, not _.（分数：5.00）填空项 1:_ （正确答案：cream）解析：(5).Thick soups and thin soups have _ effect.（分数：5.00）填空项 1:_ （正确答案：the same）解析：四、BPart C/B(总题数：3，分数：50.00)You will hear three dialogues o

29、r monologues. Before listening to each one, you will have time to read the questions related to it. While listening, answer each question by choosing A, B, C or D. After listening, you will have time to check your answer. You will hear each piece once only.（分数：15.00）(1).How much is the damage done t

30、o the United States each year by red ants? A. 3 billion dollars. B. 4 billion dollars. C. 5 billion dollars. D. 6 billion dollars.（分数：5.00）A.B.C.D. 解析：听力原文 Farmers in parts of the United States have struggled for years with an invasion of red imported fire ants from Brazil. These insects do major da

31、mage, unlike native kinds of fire ants. Each year they cause an estimated six billion dollars worth of damage in the United States. More than one billion dollars of that is just in Texas. The ants are thought to have arrived in the southern state of Alabama in the nineteen twenties or thirties. Sinc

32、e then they have spread northward and all the way to the West Coast. They ruin crops, damage soil and get into animal feed. They also damage electrical equipment and machinery. Not only that, they injure animals and workers. So farmers have to deal with medical costs and lost labor. Fire ants get th

33、eir name because when they sting, they inject poison into the skin that causes a feeling of intense burning. Some people suffer life-threatening reactions. Colonies of red imported fire ants can be found in cities as well as farming areas. They can go deep underground to survive periods of little or

34、 no rain. They have no native predators, no creatures that like to feed on them. But one solution could come from the ants themselves, in the form of a virus that some of them carry. This virus may someday help control the population. Scientists at the United States Department of Agriculture began t

35、o work with the virus about five years ago. The researchers observed one hundred sixty-eight nests of imported fire ants in Florida. They found the virus in almost one-fourth of them. The researchers found that the virus affected every part of fire-ant development, including the eggs. The affected c

36、olonies died in about three months. Now, government researchers want to work with a private company to produce large amounts of the virus. It could then be used as a biological control.(2).Which of the following is NOT the damage done by red ants? A. They can destroy the houses of farmers. B. They c

37、an injure animals and farmers. C. They destroy crops. D. They get into animal feed.（分数：5.00）A. B.C.D.解析：(3).What could be an effective way to control the red ants? A. To spread a kind of virus within the ants themselves. B. To use fire to destroy them. C. To create a kind of powerful poison to destr

38、oy them. D. To raise other biological animals to kill them.（分数：5.00）A. B.C.D.解析：（分数：15.00）(1).How many people become infected with malaria each year? A. Over 3 million. B. Over 7 million. C. Over 30 million. D. Over 70 million.（分数：5.00）A. B.C.D.解析：听力原文 Researchers in the United States are exploring

39、a possible way to control malaria. They are developing insects resistant to the disease. More than three million people become infected with malaria each year. The disease kills at least one million people every year. Malaria is found in Africa, Asia, the Middle East and South America. Malaria paras

40、ites enter a persons blood through the bite of a very small insectthe mosquito. The malaria parasites travel to the liver. The organisms grow and divide there. After a week or two, the parasites invade red blood cells and reproduce thousands of times. They cause a persons body temperature to rise. T

41、hey also may destroy major organs. People with malaria may suffer kidney failure or loss of red blood cells. People die from malaria because they are not treated or treatment is delayed. Different drugs can prevent the parasites from developing in the body. But experts still say the best way to prev

42、ent the disease is not to be bitten by a mosquito. That could change in the future. Research scientists at The Johns Hopkins University have created mosquitoes that cannot spread the malaria parasites. Computer studies show that such insects are needed to replace mosquitoes in the wild if malaria co

43、ntrol is to succeed. The researchers reported their findings in the Proceedings of the National Academy of Sciences.(2).What is not one of the bad effects of malaria? A. The malaria parasites will grow and divide in the kidney. B. The red blood cells will then be invaded by the parasites which repro

44、duce thousands of times later. C. The parasites cause a persons body temperature to rise. D. People with malaria may suffer kidney failure or loss of red blood cells.（分数：5.00）A. B.C.D.解析：(3).What is the main idea of the passage? A. Malaria is uncontrollable. B. Scientists are trying to develop insec

45、ts resistant to malaria. C. How to kill mosquitoes. D. How useless science is in curing malaria.（分数：5.00）A.B. C.D.解析：（分数：20.00）(1).The study was carried out by scientists from _. A. America and Australia B. America and Canada C. America and Austria D. America and China（分数：5.00）A.B. C.D.解析：听力原文 Canad

46、ian and American scientists studied the effects of peoples fishing for sharks in the Northwest Atlantic over the past thirty-five years. Results of their studies were published in Science magazine. The scientists say one effect of shark fishing has been an estimated ninety-nine percent decrease in s

47、ome shark populations. They say the loss of larger sharks has caused a population explosion among fish like skates and rays. Such fish and smaller sharks have increased in number along the east coast of the United States. Sharks usually eat skates and rays. The scientists say these fish feed on shellfish, which are disappearing from the ocean. They say o