Everypersonneedswaterandadietofhealthyfoods.Thesefoodss...

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问题详情：

Every person needs water and a diet of healthy foods. These foods should contain some fat, some fiber, a little salt and so on.

People need energy 16 . They eat different kinds of food which change into energy. The energy is 17 in calories(卡). Even when you are 18, you are using energy – about 65 calories an hour. 19 you are at school, or walking home, your body is burning up 100 calories an hour. When playing football or basketball, you 20 be using 400 calories an hour. On Sports Day, during the relay race, you will use most of all, 21 as much as 650 calories an hour.

The Chinese diet is considered to be the healthiest in the world. It contains a lot of fruit and green vegetables. It is 22 in fiber and low in sugar and fat. The Chinese eat less sugar than many other countries in the world. That is 23 lots of people in China have healthy white teeth.

People in the Western world do not eat such healthy foods. They eat 24 fat and sugar and don’t take enough 25 . Because of this, they 26 weight very easily. Their diet contains a lot of 27 in the form of potato crisps, potato chips, butter, cream and chocolate. They eat a lot of sugar which exist in cakes, soft drinks, 28 and so on. The result is that many of them become fat 29 some have bad teeth. In some parts of Britain, one person in ten, by the age of thirty, has no __30__ left.

16. A. to sleep B. to live C. to eat D walk

17. A. weighed B. taken C. measured D. judged

18. A. asleep B. walking C. laughing D. singing

19. A. While B. During C. As D. If

20. A. must B. should C. need D. might

21. A. surely B. ever C. perhaps D. seldom

22. A. rich B. poor C. good D. bad

23. A. how B. why C. what D. that

24. A. much too B. many too C. too many D. too much

25. A. activities B. food C. work D. exercise

26. A. put on B. gain on C. get on D. put up

27. A. sugar C. salt D. fiber