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问题 单项选择题

轻油（汽、煤油）管线吹扫时，装置蒸汽压力要求（）MPa。

A．不小于0.2

B．不小于0.5

C．不小于l.0

D．不大于I

答案

参考答案：B

完形填空
完形填空。
     Welcome to my QQ-zone (空间). This is a photo    1    my family. I have a    2    family. The middle-aged (中年的) man and woman are my parents. They are doctors. They work in the same   3    . The old man and the old woman are my grandparents. They are old and don't work. They are    4    home now. They like flowers (花) and birds (鸟). The young man is my uncle. He is my father's    5   . He    6    in No. 8 Middle School. He is a good teacher. His students like    7    very much. He often helps me    8    my English. The little girl    9    is my sister, Li Ying. She is only three years old. Do you know the boy? Guess!    10    me. I have a happy family.

( )1. A. at      
( )2. A. little   
( )3 A. class     
( )4. A. at       
( )5. A. son      
( )6. A. gives    
( )7. A. his      
( )8. A. for      
( )9. A. in yellow
( )10. A. Its     

B. of         
B. old       
B. farm      
B. on        
B. daughter  
B. comes     
B. him                  
B. at        
B. on yellow 
B. It       		C. in            
C. big           
C. hospital      
C. to             
C. sister      
C. studies        
C. he                       
C. with          
C. in a yellow   
C. It’s      		D. with             
D. small             
D. school          
D. of                  
D. brother         
D. teaches          
D. her                
D. to                 
D. on a yellow      
D. He         
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单项选择题

输精管盲腔加压注气试验失败，注气后

A．脆性感
B．失落感
C．积气征
D．尿意感
E．冲动感以上几种感觉在输精管粘堵术中哪一步骤出现
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