题目内容：

    Everyone knows that exercise is important.It makes your heart and body strong.But you need to know the following：

Get your body ready!

Before you do any exercise，make sure to warm up for at least five minutes.During warming up you should stretch(伸展)all parts of your body.

Exercise enough，but not too much.

It's best to exercise twice each week.Thirty minutes each time is enough.Try all kinds of things until you find one，two or even three sports that feel right for you.

Exercise at fitness centres.

There are a lot of equipments(设备) at fitness centres.The equipments will help exercise your arms，legs and other parts of your body to make you fit.Some people buy equipments for their homes.But it is very expensive.

Stop playing when you are hurt!

If you get hurt when you are doing exercise，don't play again until you are well.

Don't get thirsty!

Drink a lot when you are playing sports because it is easy to become thirsty.

1.From the above，we know that these are ____.

A. signs B. proposals(倡议书) C. suggestions D. notices

2.You'd better exercise____ according to this passage.

A. about two hours a week B. twice a day C. twice a week D. every day

3.The words “fitness centres” in the text mean “____” in Chinese.

A. 商务中心 B. 健身中心 C. 购物中心 D. 医疗中心

4.If you are doing sports，you should____.

A. have a good rest before exercise B. exercise twice a month

C. stop playing when you are hurt D. drink little for sport

5.Which of the following is WRONG according to the passage?

A. Warm up all parts of our body before exercise.

B. Do enough exercise but not too much.

C. Exercise can make us healthy.

D. Everyone should buy equipments for their homes.