ZPW-2000A区间信号机的显示有红灯、黄灯、绿灯三种

题型:判断题

问题:

ZPW-2000A区间信号机的显示有红灯、黄灯、绿灯三种

考点:信号工考试中级信号工中级信号工题库
题型:判断题

先化简,再求值,其中a=﹣2,则3a(2a2﹣4a+3)﹣2a2(3a+4)= _________

题型:判断题
完形填空。
     The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to
play basketball with Eric,   1   his mother told him he would have to return his sister's books to the library
first.
     He had   2   se foot in a library and he wasn't about to do so today. He would just   3   the books in the
outside return box. But there was a   4  ; it was locked.
     He went into the building, only a few minutes   5   closing time. He put the books into the return box. And
after a brief   6   in the toilet, he would be on his way to the playground to   7   Eric.
     David stepped out of the toilet and stopped in   8   -the library lights were off. The place was   9  . The
doors had been shut. They  10  be opened from the inside, he was trapped (被困)-in a library!
     He tried to  11  a telephone call, but was unable to  12 . What's more, the pay phones were on the outside
of the building.  13  the sun began to set, he searched for a light and found it. 
      14  he could see. David wrote on a piece of paper:" 15 ! I'm TRAPPED inside!" and stuck it to the glass
door.  16 , someone passing by would see it.
     He was surprised to discover that this place was not so unpleasant,  17 . Rows and rows of shelves held
books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair
and started to  18 .
     He knew he had to  19 , but now, that didn't seem to be such a  20  thing.
( )1. A. but       
( )2. A. ever      
( )3. A. pass      
( )4. A. problem   
( )5. A. during    
( )6. A. rest      
( )7. A. visit     
( )8. A. delight   
( )9. A. lonely    
( )10. A. wouldn’t
( )11. A. make     
( )12. A. get on   
( )13. A. If       
( )14. A. On time        
( )15. A. Come     
( )16. A. Surely   
( )17. A. at most  
( )18. A. watch    
( )19. A. wait     
( )20. A. bad      
B. because        
B. nearly         
B. drop         
B. mistake         
B. after           
B. break         
B. meet          
B. anger       
B. empty           
B. shouldn’t    
B. fix          
B. get up          
B. As            
B. Now and then       
B. Help            
B. Thankfully  
B. after all     
B. play          
B. stand         
B. cool          
C. or              
C. never           
C. carry            
C. case            
C. over              
C. walk             
C. catch        
C. surprise         
C. noisy                
C. couldn’t      
C. use            
C. get through       
C. Though           
C. By the way     
C. Hello             
C. Truly              
C. in short      
C. read              
C. sleep              
C. strange       
D. since        
D. often         
D. take         
D. question      
D. before          
D. stop         
D. greet         
D. eagerness                  
D. crowded         
D. needn’t   
D. pick         
D. get in       
D. Until        
D. At last       
D.  Sorry       
D. Gradually       
D. as usual   
D. write        
D. work           
D. nice    
题型:判断题

以下手法中哪一项是错误的()。

A.拔伸牵引--纠正分离移位

B.成角折顶--纠正成角畸形

C.屈伸收展--整复靠近关节处骨折

D.旋转回绕--纠正背向移位

E.夹挤分骨--纠正两骨并列移位

题型:判断题

扩散

题型:判断题

机身的站位号是()

A.距离机头的英寸数

B.距离参考基准面的厘米数

C.距离参考基准面的英寸数

D.距离机身尾端的英寸数

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