9.One way of getting enough nutrients while keeping one ’s weight down is to take substitutes for foods which contain too much fat. 汲取营养物而又不发胖的方法之一是食用脂肪含量高的食物替代品。
1 )while 在这里是个连词, 意思是“ 和..同时, 在..之时”。
He fell asleep while doing his English exercises.
他在做英文练习时睡着了。
While in London he studied music. 他在伦敦的时候研究音乐。
2 )keep down 控制, 使下降
They tried to keep down expenses. 他们设法减少开支。
We must keep down the cost of production. 我们必须降低成本。
3 )take substitute for 代替；替换
They took substitutes for rubber from petroleum.
他们从石油中找出了橡胶的代用品。
May tea ta ke substitute for coffee？茶可以代替咖啡吗？
练习答案
课文A 练习
I. 阅读理解:
1. b 2. a 3. b 4. d 5. a
II. 找出下列单词的短语的同义词:
1. alarming 2. killer
3. emphasis 4. perform
5. surgery 6. recover
7. reduce 8. connection
9. sufficient 10. merely
III. 用课文中的短语或句子填空:
1. a. It attracts interest and financial resources away from the question of prevention.
b. It causes the costs of general hospital care to rise.
c. Doctors are encouraged to perform surgery.
2. a. Stress b. Smoking c. Lack of exercise
3. a. Change the attitudes toward health
b. Change the dietary habits and eat food with less fat and cholesterol
c. Reduce stress in the life
d. Break the habit of smoking
e. Exercise regularly
IV. 把下列动词或形容词变成名词:
1. emphasis 2. awareness 3. treatment 4. prevention 5. technology 6. surgery 7. increase 8. responsibility9. illness 10. benefit V. 把下列句子译成英语:
1. More and more people are realizing that it is more important to prevent the heart disease than to treat the heart disease.
2. Without doubt many patients benefited from regular exercise like walking, running, swimming and so on.
3. The emphasis on treatment is clearly associated with the high and advanced technological advances that have taken place in the past ten years.
4. The result of recent research shows that stress , smoking and a lack of exercise are the main factors that cause the heart disease.
5. The federal government said that the chances of success in the heart surgery were low.
词汇练习
I. 用所给单词的正确形式填空, 注意词性:
1. a. Prevention b. prevent c. preventive 2. a. Surgery b. surgeon c. surgical 3. a. technicians b. technical c. Technology d. Techniques e. technological
4. a. attractive b. attract c. attraction 5. a. encouraged b. discourage c. courage II. 用下列单词的正确形式填空:
1. resource 2. connection 3. beneficial 4. equipment 5. emphasized 6. factors 7. enabled 8. stress 9. disadvantage 10. sufficient III. 把下列句子译成英语:
1. In the past twenty years, China has developed at a high speed.
2. The technological advances enable people to live more comfortably and happily.
3. There is no doubt that people pay more and more attention to health.
4. People often encourage their children to imagine rather than to imitate.
5. We must rely on our own efforts to convert the results of research into productivity.
6. As a result of sufficient preparation, the heart operation was performed successfully.
7. The students benefited much from his lecture.
8. Who is to take full responsibility for this act？
课文B 练习
I. 根据课文判断下列句子正确与否:
1.× 2. √ 3. √ 4. √ 5.× 6.× 7.× 8.× 9.× 10. √
II. 根据课文填上所缺的内容:
1. lose weight, fast
2. metabolism
3. difficulty sleeping properly, radical mood change
4. lose ugly excess fats, keep it off
5. proteins, carbohydrates , fats, macro-nutrients
6. building material and energy
7. meat, eggs, milk, cream, nuts
8. rice, potatoes
9. water-soluble
10. proteins and minerals
词汇练习
I. 从右边一栏中找出与左边一栏单词相应的定义:
1. d 2. c 3. a 4. e 5. b
II. 根据课文B 填空, 首字母已给出:
1. balance 2. appetite 3. harmful 4. Vitamin 5. metabolism 6. essence 7. resulted in 8. essential to 9. excess 10. balanced 语法练习
I. 划出下列句中的定语从句, 判断它们是限制性定语从句还是非限制性定语从句:
1. who try to learn a second language 限制性定语从句
2. Americans can be sure of in life 限制性定语从句
3. whose behavior shows little respect for the rules that the majority follows 限制性定语从句
4. you’ve been familiar with throughout your life 限制性定语从句
5. who sells bread for money 限制性定语从句, he wants 限制性定语从句
6. why we should learn more about insurance 限制性定语从句
7. her husband liked it 限制性定语从句
8. where first-hand, original research goes on 限制性定语从句in which editors simply copy existing dictionaries 限制性定语从句
9. my report is to cover 限制性定语从句
10. in which some interesting or rare words appear 限制性定语从句
11. that offer more limited quantity of product 限制性定语从句
12. where huge quantities of all kinds of food and household articles are sold 非限制性定语从句
13. as department stores do 限制性定语从句
14. who had held two garage sales with friends 非限制性定语从句
15. who are buying 限制性定语从句, we had 限制性定语从句
16. which give clues for solving the new one 非限制性定语从句
17. that are in need of further study 限制性定语从句
18. which help stimulate the discovery of new facts and advance science 限制性
定语从句
19. where sky and earth seemed to meet 限制性定语从句
20. in which we can make material more meaningful 限制性定语从句
II. 选择填空:
1. B 2. C 3. A 4. B 5. C 6. A 7. C 8. D 9. B 10. D
III. 把下列句子译成英语:
1. This is the first film I have ever seen.
2. She lives in a village where it is not too cold in winter and not too hot in summer.
3. Let’s study the growth of plants more carefully.
4. We will never forget the day when Hong Kong returned to our homeland.
5. In the world, there are only four places where a large number of diamonds have been discovered.
6. Those who have no bicycles can take bus to the Summer Palace.
7. Is there any student in your class whose father works in the insurance company？
8. I know the reason why she was very angry.
9. She wears the same clothes as her mother does.
10. The commercial advertisement is one of the things that we have to endure when we watch TV.