题目内容：

    Water is the most important of all the things we eat and  ______．Not many people understand this, but it's quite ______．The human body can go without ______ for a long time, but two or three days______ water can usually make people die.

Many people don't understand how ______ water the human body needs ______ well, and many people do not drink enough______ in hot weather. Our body is mostly（大部分）water about 67-75 percent（百分之）．______ we don't have enough, we'll feel ______ and many will get ill. So, you ______，how important water is to us all.

1.A.have B.drink C.take D.cook

2.A.true B.difficult C.easy D.wrong

3.A.food B.water C.drink D.air

4.A.in B.through C.without D.with

5.A.many B.much C.widely D.a bit

6.A.to work B.work C.works D.worked

7.A.even B.ever C.almost D.still

8.A.though B.For C.Since D.If

9.A.worried B.angry C.tired D.afraid

10.A.hear B.know C.taste D.look