问题 单项选择题 A1/A2型题

属于氨基糖苷类抗生素的药物是()

A.阿莫西林

B.头孢羟氨苄

C.罗红霉素

D.四环素

E.庆大霉素

答案

参考答案:E

解析:阿莫西林属于青霉素类抗生素,头孢羟氨苄属于头孢菌素类抗生素,庆大霉素属于氨基糖苷类抗生素,四环素属于四环素类抗生素,罗红霉素属于大环内酯类抗生素。

完形填空
完形填空。
     Mrs. Green lives in the country, and she doesn't know London very well. One day, she goes to London,
but she can't find her    1    . Just then, she    2    a man near the bus stop. " I can ask him the way." she says
to    3    . Then she goes over to the man and asks, "Excuse me, will you please    4    me the way to King
Street?" The man smiles with    5    answer. He    6    know English. He speaks Russian. He is a visitor.
Then he    7    his hand into his pocket (衣袋), takes out    8    and lets her    9    it. On the paper are these
words, "Sorry, I can't    10    English."
(     )1. A.street   
( )2. A.looks at 
(     )3. A.herself 
( )4. A.speak   
(     )5. A.not                        
(     )6. A.don’t   
(     )7. A.puts      
( )8. A.some money
(     )9. A.to look 
(     )10. A.speak   
B.way   
B.watches 
B.him                              
B.say   
B.an     
B.doesn’t
B.takes 
B.a pencil
B.look at 
B.say   
C.room          
C.sees            
C.himself        
C.talk        
C.no                             
C.not            
C.carries      
C.a piece of paper 
C.to look at      
C.talk        
D.house    
D.looks       
D.me        
D.tell                      
D.any          
D.does       
D.brings 
D.a ticket   
D.looking at  
D.tell   
单项选择题