大二英语复习第二单元

1、试卷：unit2Part 2 答案：BAADBC. He feels very tired. D. He was ill last month.1.A. Begin swimming. B. Start weight lifting.C. Look at herself differently. D. Eat better to lose weight.3.A. Bill took drugs. B. Bill exercised a lot. C. Bill grew new muscles. D. Bill had a new coach.4.A. He was able to exerc

2、ise every day after work. B. He cannot count the ways his life has changed. C. Others have asked him how he's gotten healthy. D. People have changed their attitude toward him.5.A. Healthy vegetables are very expensive for some people. B. The woman doesn't have a good excuse not to exercise.

3、C. Running outside is the best way for a person to exercise.D. Healthy living isn't something to make excuses for.Part 3 答案：ADBDC DBBAC1.A. How water-dense foods can help you lose weight. B. What fruits and vegetables have in common. C. Why one should eat foods with fewer calories.D. Where peopl

4、e get most of their calories.2.A. They are rich in taste. B. They give calories for energy.C. They contain many calories. D. They contain a lot of water.3.A. A sandwich. B. A bowl of soup. C. A salad. D. Some fruit.4.A. Eating only when hungry. B. Eating foods low in calories.C. Getting one's wa

5、ter from food. D. Filling up one's stomach with water.5.A. They are convenient. B. They are low in calories.C. They cost more. D. They leave you hungry.6.A. Boyfriend and girlfriend.B. Husband and wife.C. Father and daughter.D. Mother and son.7.A. Find girlfriends easily. B. Talk to the woman qu

6、ite often.C. Exercise according to a program. D. Sing the song All You Need is Love.8.A. He's always feeling sorry for himself. B. He's too fat to be attractive for girls.C. He's always too busy exercising. D. He won't go anywhere with a girlfriend.9.A. Finding love. B. Losing weight

7、. C. Exercising .D. Working.10.A. Finding love is not as important as losing weight. B. Feeling sorry for yourself will not help you find love. C. Being thin and exercising are important in finding love.D. Getting a girlfriend is impossible for fat people.Part 4 答案：ADBAA DABAA1.A. How to beat a bad

8、mood. B. How to do physical exercise.C. How to talk bad moods out. D. How to be involved in physical exercise.2.A. To have enough rest.B. To do some housework.C. To take drugsD. To talk it out.3.A. They are the most effective. B. They are useful but aren't best.C. They are only what doctors like

9、. D. They are ineffective.4.A. Swimming. B. Doing housework. C. Cooking D. Washing.5.A. Three to five times a week. B. Twenty minutes a week.C. No less than three times a week. D. No more than five times a week.6.A. Lower cost for buying bicycles. B. Cars being left at home these days.C. More knowle

10、dge about bicycles. D. The need to keep the environment clean.7.A. People want to save time. B. Bicycles are not convenient.C. People trust themselves with cars. D. People are sure of their driving skills.8.A. They need to leave their cars at home. B. They need to have more knowledge about bicycles.

11、C. They need to do more physical exercise.D. They need to live in the center of the city.9. A. 80%. B. 8%. C. 18%. D. 10%.10. A. The choice between bicycles and cars .B. Exercises and bicycles.C. Environmental problems. D. Short trips and long trips. Part 6答案：ADCDC ABCBC1. While a _A_ amount of stre

12、ss can be beneficial, too much stress can exhaust you.A. Moderate B. Modern C. Large D. striking2. If you _D_ your demand, then maybe you will have more chance of getting what you want.A. Conduct B. Deny C. Grant D. moderate3. I don't think he is old _C_ to do the job.A. Sufficient B. Plentiful

13、C. Enough D. approximate4. The _D_ year begins when school opens in September.A. Studying B. Learning C. Teacher D. academic5. The physicist needed more _C_ before his theory could be accepted.A. Finance B. Publications C. Evidence D. recognition6. Neither of the young men who had applied for a posi

14、tion in the university _A_.A. was accepted B. were accepted C. are acceptedD. have been accepted7. If tap water were as dangerous as some think, _B_ would be getting sick.A. a lot of more usB. a lot more of usC. more a lot of us D. a lot us of more8. It was very kind of you to do the washing-up, but

15、 you _C_ it.A. wouldn't have done B. mustn't have done C. didn't have to do D. mightn't have done9. Jane never dreams of _B_ for her to be sent abroad very soon.A. there to be a chance B. there being a chance C. there be a chance D. being a chance10. Americans consume _C_ as they act

16、ually need every day.A. twice protein as much B. twice protein as manyC. twice as much protein D. protein as twice muchPart 9 答案：DCBDA CBDBA ABCDCSummer is the ideal time of year for one of my favorite outdoor activities, hiking (徒步旅行. It is much more than just a great workout. You get to be outside

17、 of the confines of a gym and be together with nature. You breathe in the fresh, clean air while the city life you endured all week just fades away. You are suddenly transported somewhere else. You are suddenly in a place where you can appreciate the untouched, simplistic beauty of nature. The trees

18、 are green, the wild flowers are growing and the woods are filled with activity. Once you experience it, you're hooked.Whether hiking in the deserts of Arizona or the mountains of Alberta, you suddenly realize you are not alone and there is something much bigger at work. There is a realization t

19、hat life is precious and you think deeply about your life.Another wonderful part of hiking is that you can participate at any level and it is, for the most part, free. It is a great way to escape the rat race, even during the week. If you have any problems you need to solve, hiking is really good fo

20、r clearing your head and removing stress.If hiking sounds intimidating to you, it is essentially walking on a whole new level. Experts have spoken about the benefits of walking for years. Walking doesn't stress your legs as much as running and countless studies agree walking leads to weight loss

21、 and better health. It is good for your heart, reduces illness and has even been shown to enhance your thinking. So why wouldn't you want to do it?1. What makes hiking different from other forms of exercise? DA. It is a great workout. B. It is a summertime activity.C. It is an activity that slow

22、s breathing. D. It is an exercise that is done outside.2. What disappears for someone who is hiking? CA. Green trees .B. Beautiful nature. C. City life. D. Precious things.3. Once you take up hiking in nature as something you do, you _B_.A. feel much bigger than before B. love it and want to do it o

23、ftenC. wish you lived outside of the city D. look for new hiking places, like Arizona4. How do you feel after you've begun hiking? DA. Intimidated. B. Thoughtful C. Lonely. D. Free from stress.5. How is running different than walking? AA. Running is harder on the legs. B. Running is better for w

24、eight loss.C. Running is good for a person's heart. D. Running is a cause for improved thinking.Another example of the dangers of a restricted diet may be seen in the disease known as "beri-beri" (脚气病, which used to affect large numbers of Eastern peoples who lived mainly on rice. In t

25、he early years of the 20th century, a Dutch scientist named Eijkman was trying to discover the cause of beri-beri. At first he thought it was transmitted (传送 by a germ (细菌. He was working in a Japanese hospital, where the patients were fed on rice which had had the external husk (壳 removed from the

26、grain, called "white rice." It was thought this would be easier for weak, sick people to digest.Eijkman thought his germ theory was confirmed when he noticed the chickens in the hospital yard, which were fed on scraps (碎片 from the patients' plates, were also showing signs of the diseas

27、e. He then tried to isolate the germ he thought was causing the disease, but his experiments were interrupted by a hospital official, who ruled that the huskless polished rice was too good for chickens. The chickens should be fed cheap rice with the external covering still on the grain, called "

28、;brown rice."Eijkman noticed that the chickens began to recover on the new diet. He began to consider the possibility that eating brown rice somehow prevented or cured beri-berieven that a lack of some ingredient in the husk might be the cause of the disease. Indeed this was the case. The eleme

29、nt needed to prevent beri-beri was shortly afterwards isolated from rice husks and is now known as Vitamin B. The white rice, though more expensive, was keeping alive the disease the hospital was trying to cure.6. From the context, what do you think the author mentions in the paragraph that is just

30、before this first paragraph? CA. One example of the importance of vitamins. B. One example of the benefits of eating healthy foods. C. One example of the dangers of a restricted diet. D. One example of the benefits of various vitamins.7. The disease "beri-beri" _B_.A. kills large numbers o

31、f Western peoples B. is a vitamin deficiency diseaseC. is transmitted by diseased rice D. can be caught from diseased chickens8. The chickens Eijkman noticed in the hospital yard _D_.A. couldn't digest the huskless rice B. proved beri-beri is transmitted by germsC. were later cooked for the pati

32、ents' food D. were suffering from vitamin deficiency9. Huskless, white rice _B_.A. was cheaper than brown rice B. was less beneficial to the body than brown riceC. was more beneficial to the body than brown rice D. cured beri-beri10. The ingredient missing from white rice _A_.A. was Vitamin B B.

33、 did not affect the chickensC. was named the Eijkman vitamin D. has never been accurately identifiedWhether or not vegetarianism should be advocated for adults, it is definitely unsatisfactory for growing children, who need more protein than they can get from vegetable sources. A lacto-vegetarian (p

34、art milk, part vegetable diet, which includes milk and milk products such as cheese, can, however, be satisfactory as long as enough milk and milk products are consumed.Meat and cheese are the best sources of usable animal protein and next come milk, fish and eggs.Slow and careful cooking of meat ma

35、kes it more digestible and assists in the breaking down of the protein content by the body. When cooking vegetables, however, the vitamins, and in particular the water-soluble (溶解于水的 Vitamin C, should not be lost through over-cooking.With fruit, vitamin loss is too small to be important, because the

36、 cooking water is normally eaten along with the fruit, and natural chemicals in the fruit help to hold in the vitamin C.Most nutrition (营养 experts today would recommend a balanced diet containing elements of all foods, largely because of our need for sufficient vitamins. Vitamins were first called &

37、quot;added food factors" when they were discovered in 1906. Most foods contain these other substances necessary for health, in addition to carbohydrates (碳水化合物, fats, minerals and water. The most common deficiency in Western diets today is lack of vitamins. The answer is variety in food. A well-balanced diet, having sufficie