阅读理解

a．阅读短文，从括号中选择正确的单词填到横线上

　　 1 (By, For, Of) all the things we eat and drink, water is the 2 (most, more, much) important. Not 3 (few, much, many) people understand this but it is true. The human body can go without food for a long time, but two 4 (for, or, and) three days without water usually men will 5 (death, dead, die).

　　Many people don't understand how 6 (little, many, much) water the human body needs to work properly and many people do not drink 7 (few, enough, some), especially in hot days. Most people drink 8 (so, when, before) they are thirsty, but in fact, we often need more water, especially if we have been taking exercises.

　　A man's body is about 70% water. If we do not have 9 (all, enough, some) water, we feel 10 (tired, fine, hard) and may become ill.

b．阅读短文，判断对错

1．Water is the most important of all the things we eat and drink.

(　　)

2．All of the people understand how much water the human body needs to work.

(　　)

3．We only need water when we are thirsty.

(　　)

4．A man's body is about 70% water.

(　　)

5．If we don't drink water for 7 days, we can still live.

(　　)

Class, of all the things we eat and drink, water is the   1   important．Not   2   people understand this but it is quite true．The human body can go   3   food for a long time, but two   ___4   three days without water usually make people   5 ．Many people do not understand how   6   water the human body needs   7   well and many people do not drink   8  , especially in hot weather．Most people drink when they are thirsty but often need more water, especially when they take exercises．

A man's body is 65 to 70 percent water．If we do not have   9   water, we feel   10  and may become ill．Do you know what the best drink is?

1．A．most                   B．much               C．least                       D．more

2．A．few                    B．many              C．lot of                D．much

3．A．with                    B．on                   C．without             D．by

4．A．and                    B．or                  C．but                 D．of

5．A．died                  B．to die                 C．dying                D．die

6．A．much                  B．little                   C．many                     D．can

7．A．work                  B．to work              C．working            D．works

8．A．enough                 B．fast                  C．more               D．full

9．A．some                  B．a little                  C．all                  D．enough

10．A．fine                   B．tired                 C．happy              D．well