We all need to exercise. Doctors say it is good for us. It makes your heart and body strong. It also gives you more energy(活力). And you will feel better about yourself. It’s best to exercise twice a week. Twenty minutes each time is enough.
There are many ways to exercise. You can walk, run, play sports, or swim. Many people go to special places to exercise.
They are called “fitness centers”. These places have a lot of equipment(设备). Some people buy equipment for their families. But it is very expensive.
Exercising can be fun. Friends can exercise together at a fitness center. Or, they can play sports together. How do you exercise?
We should exercise            .
A. every day B. 20 minutes a week  C. twice a week
At fitness centers,             .
A. you can buy expensive equipment
B. people can do many kinds of exercising
C. it is very expensive
What is the main idea(主要意思)?
A. Exercise equipment is expensive.
B. Playing sports is a good way to exercise.
C. Every person should exercise.
Which of these kinds of exercising is NOT mentioned(提到)in the article?
A. Dancing.  B. Swimming.    C. Playing sports.
Which of these sentences about exercising is TRUE?
A. Exercising is expensive.
B. Exercising is good for your heart.
C. Only doctors exercise.