公共英语四级听力-7及答案解析.doc

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1、公共英语四级听力-7 及答案解析(总分：20.00，做题时间：90 分钟)一、BListening Compr(总题数：1，分数：5.00)BPart A/BI For Questions 1-5, you will hear a passage. 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 Bonly 1 word/B in each numbered box

2、. You will hear the recording twice. You now have 25 seconds to read the table below./IInformation About the PassageDaily, moderate drinking could almost _ the risk of developing Alzheimers disease or other types of dementia, according to a new research.1.The study, published this week in The Lancet

3、 Medical Journal, also finds that it doesnt seem to matter what people drink-the effect is the_.2.The adverse effect of excess alcohol is beyond _. 3.Dementia is often caused by a _ vessel problem. 4.Acetylcholine is a brain chemical believed to facilitate learning and _. 5.（分数：5.00）(1).（分数：1.00）填空项

4、 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_二、BPart B/B(总题数：1，分数：5.00)（分数：5.00）(1).A large study of 500,000 American retirees has found that just _ of fruit or vegetables a day may reduce the risk of developing head and neck cancer.（分数：1.00）填空项 1:_(2).Cancer experts now believe that up to _ of all cancers come

5、from lifestyle factors such as smoking, diet and lack of exercise.（分数：1.00）填空项 1:_(3).What kind of cancer is the sixth-leading cause of cancer-related death worldwide?（分数：1.00）填空项 1:_(4)._ use increases the risk of head and neck cancers, which affect the mouth, nose, sinuses and throat.（分数：1.00）填空项

6、1:_(5).The study found that people who ate the largest amounts of flavonols had a _ reduced risk of developing pancreatic cancer compared to those who ate the least.（分数：1.00）填空项 1:_三、BPart C/B(总题数：3，分数：10.00)I Questions 11 -13 are based on the following talk about the presidential inauguration. You

7、now have 15 seconds to read Questions 11 -13./I（分数：3.00）(1).The main purpose of this passage is to _.（分数：1.00）A.introduce the process of presidential inaugurationB.introduce the new presidentC.introduce how presidents are electedD.introduce the wife of Mr. Bush(2).What will be held in the evening?（分

8、数：1.00）A.A cocktail party.B.A ball.C.A dinner.D.A concert.(3).Which of the following statements is NOT true?（分数：1.00）A.Events related to the inauguration cost a lot to organize.B.Newly inaugurated presidents give a speech, officially called an inaugural address.C.Chief Justice William Rehnquist has

9、pancreatic cancer.D.Pennsylvania Avenue is a wide street with the Capitol at one end and the White House at the other.I Questions 14 -16 are based on the following passage. You now have 15 seconds to read Questions 14 -16./I（分数：3.00）(1).What is TRUE about Helen Keller?（分数：1.00）A.She was born in 1818

10、.B.She lost her seeing ability at the age of 19 months.C.She could still hear.D.Her teacher was not very helpful in her learning.(2).Which of the following languages didnt she learn?（分数：1.00）A.Latin.B.French.C.Spanish.D.German.(3).Which of the following statements is INCORRECT?（分数：1.00）A.Anne Sulliv

11、an helped her get ready for school and college.B.Helen Keller was 13 years old when she started at Radcliffe College in Massachusetts.C.Helen Keller worked for many years for the American Foundation for the Blind.D.Helen Keller died in nineteen sixty-eight.I Questions 17-20 are based on the followin

12、g passage. You now have 15 seconds to read Questions 17-20./I（分数：4.00）(1).The purpose of the passage is to _.（分数：1.00）A.introduce the importance of flags.B.introduce the history of the US flag.C.introduce the process of designing a flagD.introduce the function of a national flag(2).On the American f

13、lag, what does red stand for?（分数：1.00）A.Honor.B.Justice.C.Innocence.D.Integrity.(3).How many stripes were there on American flag after 1817?（分数：1.00）A.13.B.15.C.17.D.20.(4).Which of the following statement is INCORRECT?（分数：1.00）A.The American colonists declared their independence on July fourth, sev

14、enteen seventy-six.B.Today there are 49 states, and hence 49 stars on the flag.C.A delegate to the Continental Congress, Francis Hopkinson, took credit for the flag design.D.And tradition says a committee led by George Washington asked a woman with expert sewing skills, Betsy Ross, to make the first

15、 flag.公共英语四级听力-7 答案解析(总分：20.00，做题时间：90 分钟)一、BListening Compr(总题数：1，分数：5.00)BPart A/BI For Questions 1-5, you will hear a passage. 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 Bonly 1 word/B in each numbere

16、d box. You will hear the recording twice. You now have 25 seconds to read the table below./IInformation About the PassageDaily, moderate drinking could almost _ the risk of developing Alzheimers disease or other types of dementia, according to a new research.1.The study, published this week in The L

17、ancet Medical Journal, also finds that it doesnt seem to matter what people drink-the effect is the_.2.The adverse effect of excess alcohol is beyond _. 3.Dementia is often caused by a _ vessel problem. 4.Acetylcholine is a brain chemical believed to facilitate learning and _. 5.（分数：5.00）(1).（分数：1.0

18、0）填空项 1:_ （正确答案：halve）解析：听力原文 1-5 Daily, moderate drinking could almost halve the risk of developing Alzheimers disease or other types of dementia, according to a new research. The finding adds to a growing body of evidence for the health benefits of moderate drinking, which is already known to prot

19、ect against heart disease and stroke. The study, published this week in The Lancet Medical Journal, also finds that it doesnt seem to matter what people drink-the effect is the same. Experts say moderation-between one and three drinks a day-is the key. The adverse effect of excess alcohol is beyond

20、question. Researchers suggest the blood-thinning and cholesterol-lowering properties of ethanol in alcohol may ward off dementia, which is often caused by a blood vessel problem. Another possibility, the study speculates, is that low levels of alcohol can stimulate the release of acetylcholine, a br

21、ain chemical believed to facilitate learning and memory.填空项 1:_ （正确答案：same）解析：填空项 1:_ （正确答案：question）解析：填空项 1:_ （正确答案：blood）解析：填空项 1:_ （正确答案：memory）解析：二、BPart B/B(总题数：1，分数：5.00)（分数：5.00）(1).A large study of 500,000 American retirees has found that just _ of fruit or vegetables a day may reduce the r

22、isk of developing head and neck cancer.（分数：1.00）填空项 1:_ （正确答案：one extra serving）解析：听力原文 6-10 A new research is strengthening evidence that following moms admonition to eat your vegetables may be some of the best health advice around. A large study of 500, 000 American retirees has found that just on

23、e extra serving of fruit or vegetables a day may reduce the risk of developing head and neck cancer. Numerous studies have demonstrated that diet plays a role in cancer. Cancer experts now believe that up to two-thirds of all cancers come from lifestyle factors such as smoking, diet and lack of exer

24、cise. Researchers at the National Cancer Institute queried men and women aged 50 and older about their diets, then followed participants for five years to record all diagnoses of head and neck cancer, which is the sixth-leading cause of cancer-related death worldwide. Tobacco and alcohol use increas

25、es the risk of head and neck cancers, which affect the mouth, nose, sinuses and throat. The study found eating six servings of fruit and vegetables per day per 1,000 calories cut the risk of head and neck cancer by 29 percent compared to eating one and a half servings. The typical adult consumes aro

26、und 2,000 calories a day. A second study of food consumption in more than 183,000 residents of California and Hawaii found that a diet high in flavonols might help reduce pancreatic cancer risk, especially in smokers. Flavonols are common in plant-based foods but are found in highest concentrations

27、in onions, apples, berries, kale and broccoli. The study found that people who ate the largest amounts of flavonols had a 23 percent reduced risk of developing pancreatic cancer compared to those who ate the least.(2).Cancer experts now believe that up to _ of all cancers come from lifestyle factors

28、 such as smoking, diet and lack of exercise.（分数：1.00）填空项 1:_ （正确答案：2/3）解析：(3).What kind of cancer is the sixth-leading cause of cancer-related death worldwide?（分数：1.00）填空项 1:_ （正确答案：Head and neck）解析：(4)._ use increases the risk of head and neck cancers, which affect the mouth, nose, sinuses and thro

29、at.（分数：1.00）填空项 1:_ （正确答案：Tobacco and alcohol）解析：(5).The study found that people who ate the largest amounts of flavonols had a _ reduced risk of developing pancreatic cancer compared to those who ate the least.（分数：1.00）填空项 1:_ （正确答案：23%）解析：三、BPart C/B(总题数：3，分数：10.00)I Questions 11 -13 are based on

30、the following talk about the presidential inauguration. You now have 15 seconds to read Questions 11 -13./I（分数：3.00）(1).The main purpose of this passage is to _.（分数：1.00）A.introduce the process of presidential inauguration B.introduce the new presidentC.introduce how presidents are electedD.introduc

31、e the wife of Mr. Bush解析：听力原文 11-13 In the morning, President Bush and his wife Laura will attend a church service across from the White House. Then, they will go to the Capitol Hill for the swearing-in ceremony. Every four years, workers build a special stand outside for that purpose. The chief jus

32、tice of the United States traditionally swears in the vice president and then the president. However, Vice President Dick Cheney is to take the oath of office from Dennis Hasten, the speaker of the House of Representatives. Chief Justice William Rehnquist has thyroid cancer. But he is still planning

33、 to swear in President Bush. Newly inaugurated presidents give a speech, officially called an inaugural address. After the ceremony, the president and vice president and guests go inside the Capitol to have lunch. Later, they watch a parade along Pennsylvania Avenue with floats and marching bands fr

34、om around the country. Pennsylvania Avenue is a wide street with the Capitol at one end and the White House at the other. Finally, in the evening, the leaders and groups of guests attend parties called inaugural balls. The first of these in Washington took place for President James Madison and his w

35、ife Dolly in eighteen o nine. Eight inaugural balls organized by states will take place around the city the following Thursday night. In addition, there will be a free celebration called the Commander-in-Chief Ball. This party is for troops recently back from Iraq and Afghanistan, or soon to be sent

36、. Events related to the inauguration will take place for several days before and after the swearing-in. These activities cost a lot to organize. Some of the money is paid by taxpayers, and some by businesses, groups and individuals. By last Friday, the presidential inaugural committee had collected

37、eighteen million dollars, around half the goal.(2).What will be held in the evening?（分数：1.00）A.A cocktail party.B.A ball. C.A dinner.D.A concert.解析：(3).Which of the following statements is NOT true?（分数：1.00）A.Events related to the inauguration cost a lot to organize.B.Newly inaugurated presidents gi

38、ve a speech, officially called an inaugural address.C.Chief Justice William Rehnquist has pancreatic cancer. D.Pennsylvania Avenue is a wide street with the Capitol at one end and the White House at the other.解析：I Questions 14 -16 are based on the following passage. You now have 15 seconds to read Q

39、uestions 14 -16./I（分数：3.00）(1).What is TRUE about Helen Keller?（分数：1.00）A.She was born in 1818.B.She lost her seeing ability at the age of 19 months. C.She could still hear.D.Her teacher was not very helpful in her learning.解析：听力原文 14-16 Helen Keller was born in eighteen eighty in a small town in Al

40、abama, in the American South. She developed an infection at the age of nineteen months. She lost her ability to see and hear. When Helen was seven years old, her parents hired a special teacher. The teacher was Anne Sullivan. She herself had once been almost completely blind, but regained her sight.

41、 Anne Sullivan began teaching Helen the names of things. Miss Sullivan formed letters with her finger in Helens hand to spell out words. Helen learned more and more words. She learned how to use her hands to speak for her. In addition to sign language, Helen also learned to use her voice. Later, she

42、 learned to read Latin, Greek, French and German. She read with her fingers using the braille system of raised dots. She also learned to use a typewriter. Anne Sullivan stayed with Helen Keller for many years. She helped her get ready for school and college. Helen Keller was sixteen years old when s

43、he started at Radcliffe College in Massachusetts. She completed her studies with honors in nineteen o four. Helen Keller worked for many years for the American Foundation for the Blind. She met with presidents and traveled to many countries. She wrote books and articles. She showed other disabled pe

44、ople that they, too, could succeed. Helen Keller died in nineteen sixty-eight. Her life story has been told in books, plays and movies. “Life,“ she said, “is either a dating adventure or it is nothing.“(2).Which of the following languages didnt she learn?（分数：1.00）A.Latin.B.French.C.Spanish. D.German

45、.解析：(3).Which of the following statements is INCORRECT?（分数：1.00）A.Anne Sullivan helped her get ready for school and college.B.Helen Keller was 13 years old when she started at Radcliffe College in Massachusetts. C.Helen Keller worked for many years for the American Foundation for the Blind.D.Helen K

46、eller died in nineteen sixty-eight.解析：I Questions 17-20 are based on the following passage. You now have 15 seconds to read Questions 17-20./I（分数：4.00）(1).The purpose of the passage is to _.（分数：1.00）A.introduce the importance of flags.B.introduce the history of the US flag. C.introduce the process o

47、f designing a flagD.introduce the function of a national flag解析：听力原文 17-20 The history of American flag goes back to the thirteen British colonies that became the first American states. Each colony had its own flag. But, during the Revolutionary War against Britain, all the colonies fought together under a common flag. It had red and white stripes, thirteen in all, one for each colony. And it had a blue square in the upper left corner. Red was for honor, white for innocence and blue for justice. Inside the blue square were the red cress and white stripes of the Test Five Brit