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When you exercise, it is really important to drink lots of water because you lose (失去) water quickly at this time. Also, when your muscles (肌肉) work hard, they need water. When the weather is hot and you are going to do sports for a long time, you need more water. When should you drink water?

An hour before the games or “high-energy” activities	1 glass
Every 20 minutes in the games	1 glass
After the games	2 glasses

After you finish doing sports, it can also be a good idea to have some juice or other drinks with sugar in it, and you can recover quickly. A sports drink is good if you are going to exercise more than an hour.
It is not a good idea to drink water until (直到) you’re thirsty.
小題1:Why do we need to drink water when we exercise?

A．Because it is too hot.	B．Because we feel tired.
C．Because we lose water quickly.	D．Because the muscles like water.

小題2:What does “recover” mean here in Chinese?

A．解渴

B．恢復

C．興奮

D．強壯

小題3:What can be the best title (標題) for the passage?

A．Exercise and Health	B．Hot Weather and Sports
C．How to Exercise	D．Exercise and Drinking Water

小題1:C
小題2:B
小題3:D

試題分析：本文敘述了人們在鍛煉的時候要失去一些水分，所以我們在鍛煉的前后都要喝水，不要在感覺渴了再喝水。

小題1:細節(jié)理解題。根據(jù)When you exercise, it is really important to drink lots of water because you lose (失去) water quickly at this time. 因為鍛煉的時候我們失去了很多的水，故選C。
小題2:詞義猜測題。根據(jù)it can also be a good idea to have some juice or other drinks with sugar in it 可推出這里指的是喝糖水為了恢復體力，故選B。
小題3:標題歸納題。根據(jù)短文的內(nèi)容可知這里主要講述了鍛煉和喝水的關系，故選D。
考點: 考查健康保健類短文閱讀。

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