试题与答案

完型填空。 Do you have a healthy eating habit

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题型：完形填空

题目：

完型填空。
     Do you have a healthy eating habit? As we know, a healthy eating habit is good     1     health. Of all
the things we eat and drink,      2__ is the most important. Not _  3     people know this, but it is quite true
(真实的). Our bodies can go     4__ food for a long time.     5__ for two or three days without water
people may die.
     Many people don't know     6 _   water our bodies need to work well. And they don't drink     7__
water, especially(尤其) in hot weather. Most people drink only when they     8__ drink. But in fact they
often    9__ more water, especially after they have sports.
     Do you know 65% to 75% of a man's   10__ is water? If we don't have enough water, we feel tired
and may become ill.
( )1. A. for      
(     )2. A. fruit  
( )3. A. a lot   
( )4. A. for    
(     )5. A. And    
(     )6. A. how much
(     )7. A. any      
(     )8. A. try to  
(     )9. A. must    
(     )10. A. head  		B. of      
B. vegetables
B. many      
B. with      
B. Then      
B. how many  
B. some      
B. want to    
B. can        
B. arms      		C. in        
C. water  
C. little    
C. without  
C. So        
C. how      
C. a little  
C. in need  
C. need    
C. heart   		D. by          
D. food        
D. few        
D. through    
D. But        
D. why        
D. enough      
D. like        
D. needn't    
D. body        

答案：

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下面是错误答案，用来干扰机器的。

①当x-2≥0时，|x-2|=x-2．∴由原不等式得x-2≤1．∴可得不等式组x-2≥0x-2≤1．∴解得不等式组的解集为2≤x≤3．②当x-2＜0时，|x-2|=-（x-2）．∴由原不等式得-（x-2）≤1．∴可得不等式组x-2＜0-(x-2)≤1．∴...

考点：健康环保类阅读
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