问题 单项选择题 A1/A2型题

某医院实验室发现抗HIV阳性的血制品,下列处理错误的是()

A.血制品应焚烧处理

B.储存过污染血制品的冰箱应用酒精擦拭

C.冰箱内解冻后的冰水需用含氯消毒剂作用30分钟后再排放

D.作用于冰水的消毒剂应含有效氯100mg/L

E.含氯消毒剂与冰水按1:1的比例混合

答案

参考答案:D

解析:作用于冰水的消毒剂应含有效氯1000mg/L。

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     Look! The bus   1   at a small bus stop. A man   2   out of the window. He sees a woman. She is selling 
  3  . The man wants   4   a cake. But he doesn't want to go out because it is raining. The man sees a boy.
The boy is   5   the window. "Come here, boy," the man says. "Do you know   6   the cake is?" "Twenty fen,"
the boy says. The man   7   the boy forty fen and asks him to buy two cakes. "One is for you and the other
is for me," he says to the boy. After   8   minutes, the boy comes back. He   9   a cake. He gives the man
twenty fen and says, "Sorry, there  10  only one cake left."
( )1. A.stop    
( )2. A.looks    
( )3. A.cake    
( )4. A.buy      
( )5. A.near     
( )6. A.how much
( )7. A.buys     
( )8. A.much    
( )9. A.have    
( )10. A.are      
B.is stopping 
B.look      
B.bread      
B.buys      
B.on        
B.how many    
B.borrows    
B.a          
B.having    
B.isn't    
C.stopping  
C.is look ing  
C.cakes      
C.to buy    
C.in        
C.whose       
C.sells      
C.a few      
C.to have      
C.aren't  
D.to stop     
D.are looking 
D.breads      
D.buying      
D.of                                  
D.what        
D.gives       
D.a little    
D.has           
D.is        
单项选择题 A1/A2型题