完型填空
　　Water is the most important of all the things we eat and (1)______. Not many people understand this, but it's quite (2)______. The human body can go without (3)______ for a long time, yet two or three days (4)______ water can usually make people die.
　　Many people don't know how (5)______ water the human body needs (6)____ work well, and many people do not drink enough, (7)_____ in hot weather. Our body is mostly water about 67%--75%. (8)_____ we don't have enough, we'll feel (9)_____ and many will get ill. So, you (10)_____, how important the water is to us all.
　　( )1. A. have B. drink C. take D. cook
　　( )2. A. wrong B. difficult C. easy D. true
　　( )3. A. food B. water C. drink D. air
　　( )4. A. in B. through C. with D. without
　　( )5. A. many B. much C. widely D. a bit
　　( )6. A. and B. its C. to D. or
　　( )7. A. even B. ever C. almost D. still
　　( )8. A. Because B. If C. Since D. For
　　( )9. A. worried B. angry C. tired D. afraid
　　( )10.A. hear B. look C. guess D. know
名师解析
　　这是一篇说明文，文章主要介绍的是水对人体的重要性。
　　1.B. eat和drink 是相互对应的。
　　2.D. 水对人体的重要性是不容质疑的，这是一个很多人都知道的事实。
　　3.A. 根据常例，人一段时间不吃东西是不会影响身体健康的。
　　4.D. 人两三天不喝水通常会致人死亡。
　　5.B. 水是不可数名词，所以应该用how much才询问它的多少。
　　6.C. 这里很明显是”to+动词原形”构成的动词不定式。
　　7.A. 根据所给词语的词义可知答案。
　　8.B. 这里的“we don't have enough”是后面结果的前提。
　　9.C. 根据所给词语的词义可知答案。
　　10.D. 水的重要性只有在被人了解之后才能体现出来。