It’s important for us to be healthy . Everybody wants to be healthy . But how can we keep healthy ? Here is some useful advice . First , you should eat fruit and vegetables three or four times a week . There are some kinds of vitamins our bodies need . We should not eat too much meat . Then eat some tofu every day because it’s good for people , both the young and the old . Milk is also necessary（必要的） , especialy for women . So you should have milk twice a day . It can help you to be strong . Next , doing more exercise is better . You can do moring exercises or evening exercises . After supper you should take a walk .
根据短文内容，选择正确答案。 （5分）
(    ) 1. How often should we eat fruit and vegetables ?
A.Once or twice a day       B. Two or three times a day
C  Three or four times a week  D. Three or four times a month .
(    ) 2. Tofu is good for _____ .
A.young people            B. old people
C  students                D young and old people
(    ) 3. We should have _____ twice a day .
A.fruit      B. milk      C. tofu     D. vegetables .
(    ) 4. To be healthy , we can NOT _____ .
A.do morning exercises      B. do evening exercises.
              C take a walk after supper    D eat too much meat
(    ) 5. The passage mainly tells us _____ .
A.how to keep healthy      B. what health is
C why health is important   D how often you should exercise
 
(A) 1. C   2. D   3. B   4. D .   5. A.