问题 问答题 简答题

什么是喷油泵的速度特性?

答案

参考答案:

油量调节拉杆位置一定,每循环供油量随转速n的变化关系。

完形填空
完形填空。
     I first went to hear a live rock concert when I was eight years old. My brother and his friends were all 
  1    of a heavy metal group called Black Wednesday. When they   2   that Black Wednesday were going to
perform at our local theatre, they all bought   3   for performance. However, at the last minute, one of the
friends couldn't go, so my brother   4   me the ticket. I was really   5  !
     I remember the buzz (嘈杂声) of excitement inside the theatre as we all found our   6  . After a few
minutes, the lights went down and everybody became   7  . I could barely make out the stage in the   8  .
We waited. Then there was a roar from the crowd, like an explosion, as the first members of the band   9   
the stage. My brother leaned over and shouted something in my ear, but I couldn't  10  what he was saying.
The first song was already starting and the music was as  11  a jet engine. I could  12  the drum beats and
bass notes in my stomach.
     I can't recall any of the songs that the band played. I just  13  that I really enjoyed the show and didn't
want it to  14 . But in the end, after three encores (加演), the show finished. We left the  15  and walked
unsteadily out onto the pavement. I felt a little dizzy, as if I had just  16  from a long sleep. My ears were
still  17  with the beat of the last song.
     After the  18 , I became a Black Wednesday fan too for a few years before getting into other kinds of
music. Once in a while,  19 , I listen to one of their songs and  20  I'm back at that first show.
( )1. A. members    
( )2. A. guessed    
( )3. A. flowers    
( )4. A. booked     
( )5. A. relaxed    
( )6. A. seats      
( )7. A. comfortable
( )8. A. silence    
( )9. A. fell upon  
( )10. A. forget     
( )11. A. loud       
( )12. A. feel       
( )13. A. realize    
( )14. A. continue   
( )15. A. party      
( )16. A. escaped    
( )17. A. aching     
( )18. A. competition
( )19. A. though     
( )20. A. decide     
B. friends       
B. discovered 
B. drinks       
B. offered      
B. embarrassed  
B. entrance     
B. quite       
B. noise       
B. got through  
B. hear         
B. heard        
B. touch        
B. understand   
B. delay        
B. theatre      
B. traveled     
B. burning      
B. performance   
B. otherwise  
B. regret     
C. fans         
C. thought     
C. clothes      
C. returned       
C. excited       
C. spots         
C. serious      
C. darkness      
C. broke into   
C. repeat       
C. sweet        
C. enjoy        
C. believe      
C. finish       
C. opera        
C. benefited    
C. ringing       
C. interview   
C. instead      
C. conclude  
D. volunteers     
D. predicted        
D. tickets       
D. found            
D. encouraged     
D. space            
D. nervous        
D. smoke          
D. stepped onto                 
D. bear           
D. fast           
D. digest          
D. remember       
D. change        
D. stage          
D. woken          
D. rolling         
D. celebration   
D. besides        
D. imagine     
单项选择题 A1/A2型题