从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
Everyone needs water and a diet 36 healthy foods. These foods should 37 some fat, some fiber, a little salt and so on.
People need energy to live. They eat all kinds of foods 38 change into energy. Our bodies use different 39 of energy. The energy is measured in calories(卡路里). The more 40 we take, the more calories we burn. Even when you are 41 , you are using energy---about 65 calories an hour. While you are at school, or walking home, your body is 42 up 100 calories an hour. When playing football or basketball, you might be using 400 calories an hour. On 43 Day, during the relay race, you will use most of all, perhaps as 44 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 45 in fiber and low in sugar and fat. The Chinese eat less sugar than many 46 countries in the world. That is 47 lots of people in China have white teeth.
People in the Western world do not eat 48 healthy foods. They eat too much fat and sugar and don’t take 49 exercise. Because of this, they 50 very easily. In order to 51 with the quick pace(步伐) of their life and work, they eat a lot of fast food. They eat a lot of sweets, soft drinks, potato crisps, chocolate, butter and ice cream and so on, 52 are called 53 food by some epicureans（美食家）. The result is that many of them become fat. In order to avoid 54__ fat and 55 it is advisable(明智的) to eat a balanced diet and not eat too many foods that have a high calorie rating.
1.A. above B. of C. at D. over
2.A. include B. hold C. contain D. make up
3.A. which B. what C. where D. it
4.A. numbers B. amounts C. plenty D. deal
5.A. exercise B. exercises C. sport D. game
6.A. sleepy B. running C. working D. asleep
7.A. running B. adding C. burning D. wasting
8.A. Children B. Work C. Sports D. Sport
9.A. much B. many C. few D. little
10.A. poor B. low C. rich D. plenty
11.A. more B. other C. rest D. others
12.A. Why B. because C. because of D. since
13.A. so B. very C. much D. such
14.A. a number of B. too much C. masses of D. enough
15.A. lose weight B. put on weight C. die D. stay healthy
16.A. keep up B. carry on C. keep on D. go on
17.A. as B. these C. which D. they
18.A. bad B. diseased C. healthy D. junk
19.A. to get B. becoming C. to become D. get
20.A. keep thin B. keep fit C. stay calm D. fall ill
After a knock at the door, the children heard his mother’s voice him．
A．calling B．called C．being called D．to call
Not until the train pulled into the next station ______ that his briefcase had gone.
A. did Tom find B. Tom did found C. Tom had found D. Tom found
John lost his job last year, but it wasn't long ______ he found a new position in another company.
A. after B. while C. as D. before
In most cases, customers can't help ______ to buy things they actually do not need.
A . to persuade B. being persuaded C. persuading D. to be persuaded
What do you think of his suggestion ______ we organize a football club?
A. which B. whether C. that D. what
