试题与答案

DTMU单板支持8路数字量告警输入，其中（）路固定为防雷失效告警检测。A、4 B、3C

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题型：单项选择题

题目：

DTMU单板支持8路数字量告警输入，其中（）路固定为防雷失效告警检测。

A、4

B、3

C、2

D、1

答案：

参考答案：C

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key (钥匙) in the car door, he   3   get it   4  . Then he went   5   a policeman nearby (附近) for help. The
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of the car, their faces turned   10   . They made a mistake.
(   )1. A. for shop  
(   )2. A. in front of
(   )3. A. could    
(   )4. A. opened    
(   )5. A. to ask    
(   )6. A. to help  
(   )7. A. late      
(   )8. A. an        
(   )9. A. on        
(   )10. A. black    

B. shopping  
B. in        
B. can      
B. opening  
B. ask      
B. help      
B. ago      
B. a        
B. to        
B. white    

C. shop           
C. in the front of 
C. couldn’t     
C. openning       
C. asked         
C. helped         
C. later         
C. the         
C. with         
C. green        		D. to shopping    
D. in front         
D. can’t          
D. open            
D. asking          
D. helping         
D. last            
D. /               
D. by            
D. red           
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