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问题 单项选择题 B1型题

真阴性是（）

A.经试验而被正确分类的患者的数目

B.经试验而被错误分类的非患者的数目

C.经试验而被正确分类的非患者的数目

D.经试验而被错误分类的患者的数目

E.经试验而被分类的患者总数

答案

参考答案：C

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完形填空。
     How are you, Pin? I'm writing a letter   1   you in my school. It's a big middle   2   . I'm in a big class.
There're fifty students in my class. There are about three hundred teachers in my school. My English teacher 
  3   Mr Liu.   4   is a nice teacher. We go to school   5   Monday to Friday. There are four classes in the
morning and two in the afternoon.
     We play games   6   four on Friday after class. I have many friends at school. One of them   7   America.
She speaks English and Chinese. The others   8   Chinese.I like to play   9   them. We often   10   basketball
together. That's my favorite game.
( )1. A. to     
( )2. A. school   
( )3. A. be     
( )4. A. He      
( )5. A. from    
( )6. A. in     
( )7. A. come from 
( )8. A. are all  
( )9. A. for     
( )10. A. play the 		B. for   
B. class  
B. are   
B. She   
B. for   
B. on     
B. from   
B. all are 
B. and   
B. play    		C. with   
C. classroom 
C. am        
C. Her       
C. in        
C. at        
C. comes from
C. are from   
C. at        
C. plays      		D. from            
D. office           
D. is             
D. Him              
D. on               
D. about          
D. out              
D. all is           
D. with             
D. are play     
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选择题

Walk to work every day and you'll soon be back in _____. [ ]

A. situation

B. condition

C. position

D. attention

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