试卷代号: 试卷代号: 大学英语四级考试(CET
  4) 大学英语四级考试( )
最新英语四级试卷及答案( (2010 年 6 月 12 日) 最新英语四级试卷及答案(一) ( 注意事项
A
一, 将自己的校名,姓名,学校代号,准考证号写在答题卡 1 和答题卡 2 上,将本试卷代 号划在答题卡 2 上. 二, 把试题册,答题卡均不得带出考场.考试结束后,教师收卷后才可离开考场. 三, 仔细读懂题目的说明. 四, 在 30 分钟内做完答题卡 1 上的作文题.30 分钟后考生按指令启封试题册.在接着的 15 分钟内完成快速阅读理解部分的试题.然后监考员收取答题卡 1,考生在答题卡 2 上完成其余部分的试题.全部答题时间为 125 分钟,不得拖延答题. 五, 考生必须在答题卡上作答,凡写在试题册上的大案一律无效. 六, 多项选择题每题只有一个答案;如多选,则该题无分.选定答案后用 HB-2B 浓度的铅 笔在相应的字母中划一条横线.划线要有一定的粗度,要盖过字母的底色. 七, 如果要改动答案,必须先用橡皮擦净原来选定的答案,然后按规定重新答题. 八, 在考试过程中要注意对自己的答案保密.若被他人抄袭,一经发现,后果自负.
Part Ⅰ Writing (30 minutes)
注意:此部分试题在答题卡 1 上,请在答题卡 1 上作答. 答题卡 答题卡
Part II Reading Comprehension (Skimming and Scanning)
(15 minutes)
Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet
  1. For questions 1-7, choose the best answer from the choices marked A), B), C) and D). For questions 8 to10, complete the sentences with the information given in the passage. Getting Thin ? for Good Just about everyone has been on a diet at one time or another, and millions of us have learned that the weight we lose is all too easily regained. Still few people question the wisdom of dieting. After all, we reason, the worst that can happen is that we'll regain the weight we've lost ? then we can simply go on a diet again. But some new research suggests there is a risk: yo-yo dieting may seriously distort the body's weight-control system. The more diets you go on, the harder it may become to lose weight. Even worse, new evidence indicates that repeated cycles of losing and gaining weight may raise the risk
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of heart problems. This last possibility is especially disturbing. As part of a 25-year study that monitored 1 959 men, researchers at the University of Texas School of Public Health in Houston reported in March 1987 that the men showing large up-and-down weight changes had twice the risk of heart disease as those with only small changes in weight. One paper from the Framingham (Mass.) Heart Study, which has monitored more than 5 000 people for 40 years, also provides troubling information: people who lost ten percent of their body weight had about 20 percent reduction in risk of heart disease ? but people who gained 10 percent raised the risk by 30 percent. These numbers further suggest that going from 150 to 135 pounds, and back to 150 again, could leave you with a higher heart-disease risk than you started with. When you cut calories and lose weight, your body will protect itself by reducing your basal metabolic rate (BMR). This is the measure of the energy used for routine functions such as breathing and cell repair ? roughly 60 to 75 percent of the energy consumed by the body. During severe dieting, your BMR drops within 24 hours and can decline a full 20 percent within two weeks. This metabolic decline is one reason dieters often reach a steady unchanging period, and find that the same caloric intake which melted pounds earlier now produces no weight loss. The body adapts to dieting in other ways. The enzyme lipoprotein lipase (脂肪酶), a chemical in the body, which controls how much fat is stored in fat cell, may become more active in some overweight people after they have lost weight. That would make the body more efficient at fat storage ? exactly what the dieter doesn't want. And this change, like the drop in BMR, may be part of the reason dieters frequently regain their lost weight. My interest in the yo-yo problem began in 1982, when my colleagues Thomas Wadden and Albert Stunkard and I were experimenting with very-low-calorie diets ? 800 calories or fewer per day. We hoped that patients in our clinic could lose large amounts of weight rapidly, then keep the weight loss with a behavior-modification program. We found, however, that some people lost weight rapidly, some slowly; some lost for a while and then stopped losing. One woman, Marie, began the program at 230 pounds, reduced to 192 pounds, and then "hit a wall", even though she stayed on her diet and walked two miles a day. Marie, like many others in our program, had been a yo-yo dieter, and they tended to have the most difficulty in losing weight. To see if such dieting could really change the body this way, other researchers and I began to study weight changes in animals. We fed a group of rats a high-fat diet until they became obese. Then we changed their diets repeatedly to make them lose weight, regain, lose again and regain again. The results were surprising. The first time the rats lost weight, it took 21 days for them to go from obese to normal weight. On their second diet, it took 46 days, even though the rats consumed exactly as many calories. With each yo-yo, it became easier for the rats to regain. After the first diet, they took 46 days to become obese again; after the second diet, they took only 14 days. In other words on the second yo-yo cycle, it took more than twice as long to lose -weight, and only one-third as long to regain it. Surprised, our group contacted Harvard surgeon George Blackburn, a pioneer in the use of very-low-calorie diets. Blackburn and his colleagues reviewed the records of 140 dieters who had been through their weight-control clinic, had lost weight and regained it ? and had returned for a
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second try. The records showed the dieters had lost an average of
  2.3 pounds a week the first time, but only
  1.3 pounds a week the second time. Four years ago we began the Weight Cycling Project, a major study that includes some of the country's leading obesity researchers. We know that people who lose weight by dieting only and without an exercise program can lose a considerable amount of muscle. But then, if they gain weight back, they may regain less muscle and more fat. While the reason isn't clear, it may be easier for the body to put fat on than to rebuild lost muscle. We're asking if yo-yo dieters may lose fat from one part of the body and regain it elsewhere. For instance, according to our preparatory studies in animals, they could move fat to the abdomen. And research shows that abdominal fat raises the risk of heart disease and diabetes more than fat around the hips and thighs does. None of this means that dieting is ineffective or foolish. For those who are 20 percent or more overweight, there are good reasons to reduce: successful weight loss can lower blood pressure and cholesterol, help control blood sugar in diabetics and enable people to feel better about themselves. But the new research does suggest that dieting must be taken seriously by people at any weight. It also means that dieting alone is not the best way to weight control. When a weight-loss program includes exercise, you lose more fat and less muscle, and you're not likely to gain the weight back. That's because exercise may help resist the physiological changes that tend to come from yo-yo dieting. Given the potential risks of yo-yo dieting, anyone who diets should be especially careful not to gain the weight back. Before you diet, ask yourself how determined you are; then set reasonable goals. Permanent weight loss should be the main goal, so select a program that will help you change your life-style. Be careful of popular diet programs designed for rapid weight loss and filled with senseless tricks, such as going on and off a diet, eating "magic" foods and so on. A program should focus on sensible changes in nutrition and life-style. The best approach is a low-fat, high-complex-carbohydrate diet and regular physical exercise. To avoid failing in the diet, recognize and plan for high-risk situations. If you always overeat when you visit your parents, for example, figure out how to get around that before your next visit. Understand that desires ? for chocolate, say ? are like waves that come up, will quickly subside. When the desire comes, get busy with a simple activity ? reading or even brushing your teeth.
  1. What is the risk that yo-yo dieting may bring according to the new research? A) It may damage the body's weight-control system seriously B) It may make the task of losing weight more difficult C) It may make it easier for the weight we lose to be regained D) It may cause people fear for going on a diet
  2. What is the automatic reaction of your body when you are on diet? A) It will consume more energy. B) It will suffer from terrible heart break. C) It will reduce your basal metabolic rate. D) It will absorb more caloric intake automatically.
  3. What is the basic function of enzyme lipoprotein lipase? A) to become active in order to lose weight B) to control how much fat is stored in fat cell
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  4.

  5.

  6.

  7.
C) to help cell regain the weight lost after being on diet D) to drop the BMR of the dieter What does "hit a wall" mean when the author use it to refer Marie? A) It means that people achieved his goal of losing weight. B) It means that people stopped to stay on diet. C) It means that people started to walk two miles a day D) It means that people stepped into the most difficult stage of losing weight. According to the author, the result of the rat research can be described as ? A) disappointing B) exciting C) meaningless D) surprising What will happened on a dieter if he or she gain weight back without exercise? A) They may regain the same muscle and fat. B) They may regain more muscle and less fat. C) They may regain less muscle and more fat. D) They may become healthier than before In order to lose weight permanently, which of the following advice that people should follow? A) going on and off a diet B) eating magic foods C) avoiding being on diet D) eating low-fat, high-complex-carbohydrate diet and doing physical exercise regularly
注意:此部分试题在答题卡 1 上作答;8-10 题在答题卡 1 上. 答题卡 答题卡
Part III Listening Comprehension (35 minutes)
Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

  11. A) He thinks he's very organized. B) He doesn't want to join the display. C) He doesn't think he should lead the study group. D) He knows someone who can lead the study group.
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  12. A) He doesn't know where his brother keeps his computer. B) The woman should buy a used computer. C) He doesn't know how much computers cost. D) His brother paid too much for the computer.
  13. A) It's been to warm to wear the jacket. B) The jacket is too big for him. C) He doesn't like cold weather. D) He didn't buy the jacket until cooler weather arrived.
  14. A) He started the semester in a bad mood. B) He's not usually bad-tempered. C) He has few responsibilities. D) He doesn't like the man.
  15. A) He forgot to cancel the reservation. B) They can go to the restaurant after the woman has finished working. C) He has to work late tonight. D) They don't have a reservation at the restaurant.
  16. A) Use bleach on his socks. B) Buy new white socks. C) Wash his red T-shirt again. D) Throw away his pink socks.
  17. A) He isn't satisfied with his progress. B) He wants to move up more quickly than he's presently doing. C) He has advance quickly enough in his career. D) He feels frustrated as he tries to move up the ladder.
  18. A) Try on a smaller sweater. B) Look for another style at a different store. C) Give the sweater away as a gift. D) Exchange the sweater for a bigger one. Questions 19 to 22 are based on the conversation you have just heard.
  19. A) She's unable to attend the study session.
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B) She has seen a doctor recently. C) She's concerned about medical care. D) She mentions the need for some medical tests.
  20. A) To improve the study skills of university students. B) To suggest changes in the student government. C) To give people the opportunity to speak with a politician. D) To discuss graduation requirements for political science majors.
  21. A) Graduate school application procedures. B) Funding for university education. C) Winning the confidence of voters. D) Preparing for an important test.
  22. A) Tell her what to study for the history test. B) Write a favorable letter of recommendation. C) Advise her about how to run an election campaign. D) Suggest a topic for a research paper. Questions 23 to 25 are based on the conversation you have just heard.
  23. A) Boston schools. B) Frontier life. C) Teaching requir
 

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