题目内容：

It’s important for us to be healthy. But how can we keep healthy? First ,you should eat fruit andvegetables three or four times a week. 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)，especially 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 morning exercises or evening exercises. After supper you should take a walk.

1.Tofu is good for ____

A. young people         B. old people

C. young and old people D. students

2. Why do people have milk?

A. It’s delicious.  B. It’s a kind of drink.

C. It’s bad for you. D. It can help you keep strong.

3. You should have milk .

A. four times a day B. five times a week

C. twice a day       D. twice a week