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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