题目内容：

Everyone knows that exercise is important. We need to exercise. Doctors say it’s good for us. It keeps our bodies strong.

When the daytime comes, we must get up. This is the time for exercise. Exercise means doing things with the body. There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Make sure you exercise in the following ways: you have to like what you’re doing. Exercise enough—but not too much. It is good to exercise twice each week. Thirty minutes each time is enough. Try all kinds of things until you find one, two or three sports that feel right for you.

Exercise can be fun. Friends can exercise together at fitness center, or they can play sports together. How do you exercise?

1.In the passage the writer tells us that we all need to________.

A. drink       B. relax      C. exercise     D. work

2.Which of the following sports can’t we find in the passage?

A. Fishing     B. Running    C. Swimming   D. Walking

3.What can exercise do to the body?

A. It can make the body weak.

B. It can make us sleep more

C. It can make the body sick.

D. It can make the body healthy.

4.The words “fitness center” in the passage mean _______.

A.减肥中心     B.健身中心     C.购物中心      D.医疗中心