康明斯NTA-855-C360型发动机输出功率低的原因是()。A.进气温度高 B.柴

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问题:

康明斯NTA-855-C360型发动机输出功率低的原因是()。

A.进气温度高

B.柴油供油量过大

C.空滤至增压器管路泄漏

D.增压器至中冷器管路泄漏

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完形填空。
     Mr. and Mrs. Smith's house was full of suitcases, packages and packed-up boxes. The two of them
were   1   with pencils and paper, checking their luggage, when there was a   2   at the door. Mr. Smith
went to   3   it and saw a well-dressed middle-aged lady outside. The lady said that she lived in the house
beside theirs, and that she had come to   4   them to their new home.
     The Smiths invited her in after apologizing for the state of the house.
     "Oh,   5  ," she answered. "Do you know in some parts of this   6   neighbours are not all   7  ? There
are some streets where people do not   8   their neighbours,   9   their next-door ones. But in this street
everybody is friends with  10  else. We are one big, happy family. I'm  11  that you will be  12  here."
     The well-dressed lady got a  13  when she came to visit the house the  14  time, because she found a
quite  15  man and woman in it. Mr. and Mrs Smith had not had the courage to tell her that they were not
the new owners of the house, who were to move in the next day, but the old ones, who have lived beside
her for two years without ever having visited her or even noticing her existence (存在).
( )1. A. free    
( )2. A. sound    
( )3. A. answer    
( )4. A. invite   
( )5. A. excuse me 
( )6. A. house     
( )7. A. busy     
( )8. A. know     
( )9. A. only    
( )10. A. anybody   
( )11. A. uncertain
( )12. A. happy    
( )13. A. surprise  
( )14. A. first    
( )15. A. famous   
B. busy      
B. ring      
B. serve     
B. lead      
B. here you are   
B. street     
B. lonely     
B. understand   
B. even      
B. nobody    
B. glad      
B. lonely     
B. fright     
B. exact      
B. different    
C. pleased   
C. friend    
C. see     
C. take     
C. never mind     
C. town     
C. safe     
C. welcome 
C. mostly    
C. somebody  
C. sure     
C. popular    
C. pleasure   
C. next     
C. young     
D. familiar (熟悉的)          
D. message           
D. guess             
D. welcome           
D. thank you         
D. time              
D. friendly          
D. respect           
D. neither           
D. none              
D. afraid            
D. friendly          
D. worry             
D. same              
D. old               
题型:多项选择题

下列关于遗传物质的叙述,正确的是(  )

A.染色体主要分布在细胞核中

B.蛋白质也是遗传物质

C.一个DNA分子上有很多个基因

D.DNA分子就叫做基因

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非侵染性病害的病因包括()。

A、土壤

B、温度

C、光照

D、水分

E、营养物质

F、线虫

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移动式高倍数、中倍数泡沫灭火系统,宜采用()比例混合器。

A.正压

B.低压

C.负压

D.常压

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环境监察机构对建设项目实施环境监察的目的是什么?

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