问题 单项选择题

船舶柴油机强制制动可以发生在()时。

A.高于起动转速

B.低于临界转速

C.高于换向转速

D.低于换向转速

答案

参考答案:D

单项选择题 A1型题
完形填空
完形填空。
    A boy and his father were walking in the mountain.   1   the boy fell, hurt himself, and cried,
"AAAhhh!!!"   2   his surprise, he heard the voice repeating,   3   in the mountain, "AAAhhh!!!" Then the
boy shouted, "Who are you?" He   4   the answer. "Who are you?" He got   5   at the answer, so he shouted,
"Foolish!" He received the answer, "  6  !"
    He looked at his father and asked. "What's going on?" The father   7   and said, "My son, listen." And then
he shouted to the mountain, "I love you!" The   8   answered, "I love you!" Again the man cried, "You are the
best!" The voice answered, "You are the best!" 
   The boy was surprised,   9   did not understand. Then the father explained, "People call this'Echo', but really
this is  10 . It gives you back everything you say or do. Our life is just a reflection (反映) of  11  we have
done.  12  you want more love in the world, have more love in your heart. If you want to be  13 , work hard.
This can be  14  in everything in life. Life will give you back     15  you have given to it"
( )1. A. Luckily     
( )2. A. In        
( )3. A. anywhere    
( )4. A. asked       
( )5. A. glad       
( )6. A. Rubbish     
( )7. A. cried       
( )8. A. noise       
( )9. A. but        
( )10. A. thing     
( )11. A. what       
( )12. A. Because     
( )13. A. careful     
( )14. A. made       
( )15. A. something   
B. Finally     
B. At       
B. somewhere    
B. wanted     
B. sad       
B. Strange     
B. smiled     
B. voice      
B. so       
B. 1ife      
B. which      
B. Unless   
B. playful   
B. used      
B. everything 

C. Suddenly     
C. On        
C. where     
C. received    
C. angry     
C. Foolish    
C. shouted    
C. boy      
C. or        
C. love      
C. that      
C. If         
C. helpful    
C. taken     
C. anything     

D. Certainly     
D. To            
D. nowhere       
D. gave          
D. pleased       
D. Special       
D. called        
D. father        
D. and           
D. mountain                             
D. whom          
D. Until         
D. successful    
D. got           
D. nothing