试题与答案

对某水体的检测结果为,硝酸盐氮很高,未检到氨氮和亚硝酸盐氮。试对该水体的污染情况进行

题型:问答题 论述题

题目:

对某水体的检测结果为,硝酸盐氮很高,未检到氨氮和亚硝酸盐氮。试对该水体的污染情况进行评价。

答案:

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参考答案:C

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完形填空
     Years ago a farmer owned land along the Atlantic seacoast. He constantly advertised for _ 1__ hands. Most people were reluctant(不情愿) to work on __2__ along the Atlantic. They dreaded the awful
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     "Well, I can __7__ when the wind blows," answered the___ man.
     Although __9__ by this answer, the farmer, desperate(不顾一切的) for __10_, hired him. The
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__20_ the wind blew.
( )1. A. hired        
( )2. A. field        
( )3. A. winds        
( )4. A. interviewed  
( )5. A. accepted      
( )6. A. Surprisingly  
( )7. A. work          
( )8. A. strong        
( )9. A. pleased      
( )10. A. help        
( )11. A. happy        
( )12. A. Coming      
( )13. A. ran          
( )14. A. beat        
( )15. A. put on      
( )16. A. firmly      
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( )19. A. expected    
( )20. A. when        
B. applied    
B. garden    
B. storms    
B. trained    
B. received  
B. Luckily    
B. do        
B. young      
B. satisfied  
B. pleasure  
B. sad        
B. Leaving    
B. rushed    
B. shook      
B. rolled over
B. happily    
B. instruct  
B. joy        
B. prepared  
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D. busy    
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D. moved    
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