问题 单项选择题

下列哪项不属于抗菌药的作用机制

A.抗叶酸代谢

B.吞噬细菌

C.抑制细菌细胞壁的合成

D.抑制细菌蛋白质合成

E.影响细菌胞浆膜的通透性

答案

参考答案:B

完形填空
     It's never easy to admit (承认) you are in the wrong. We all    1     to know the art of apology (道歉).
Think how often you have done wrong. Then count how many    2    you have expressed clearly you
were    3    . You can't go to bed with an easy mind if you do    4    about it.
      A doctor friend, Mr. Lied, told me about a man who came to him with different kinds of signs:
headaches, heart trouble and insomnia (失眠症).   5    some careful exams, Mr. Lied found nothing
wrong with him and said, "If you don't tell me what's    6    you, I can't help you." The man admitted
he was cheating (骗取) his brother to his inheritance (遗产). Then and there the clever doctor    7    
the man write to his brother and    8    his money. As soon as the letter was put into the post box, the
man suddenly cried," Thank you," he said to the doctor "I think I have got well."
      An apology can not only save a broken relationship (关系), but also make a person    9    . If you
can think of someone who should be    10    an apology from you, do something about it right now.
( )1. A. decide   
( )2. A. mistakes 
( )3. A. sorry    
( )4. A. something
( )5. A. Before   
( )6. A. hurting  
( )7. A. made     
( )8. A. give     
( )9. A. happy    
( )10. A. received
B. have   
B. people            
B. weak   
B. anything
B. After    
B. hanging
B. helped 
B. keep     
B. glad    
B. given 
C. need      
C. ways            
C. sad       
C. nothing   
C. Till      
C. touching 
C. let       
C. return  
C. strong    
C. known 
D. try         
D. times         
D. wrong        
D. everything   
D. Since        
D. worrying     
D. saw          
D. send          
D. healthy      
D. forgotten
单项选择题