问题 单项选择题

在儿童发育过程中,腺样体最显著的年龄段为()

A.4~5岁

B.6~7岁

C.8~10岁

D.10~12岁

E.13~14岁

答案

参考答案:B

解析:腺样体又称咽扁桃体、增殖体,出生后即存在,6~7岁最显著,10岁后逐渐萎缩。

完形填空
完形填空。
    Two friends   1   a picnic together. Their names are Jim and Tim. Tim is very lazy.   2   the first evening
of their holiday, Jim says to Tim, "Here's some money. Go and buy some meat." 
    "I'm too tired,"    3   Tim, "You go." 
    So Jim goes   4   the meat. 
      5   he comes back. He says to Tim, "Here's the meat now, please cook it."
    But Tim answers, "No, I'm not good at   6  , you do it," So Jim cooks it,   7   he says to Tim, "Go and
   8   some water."
    "No, I don't want to get my clothes dirty," Tim answers. 
       9   Jim says, "The meal is ready, come and eat it."
    "Yes, I'll do that," answers Tim, "I don't like  10  'No' all the time."
( )1. A. have            
( )2. A. In           
( )3. A. answer       
( )4. A. to buy       
( )5. A. Later        
( )6. A. cook         
( )7. A. or           
( )8. A. got          
( )9. A. At last      
( )10. A. telling  
B. has         
B. At          
B. answers     
B. buy         
B. In          
B. cooking      
B. and          
B. to get       
B. At first    
B. saying    
C. had            
C. On             
C. answered       
C. is buying      
C. At first       
C. cooks          
C. then           
C. getting        
C. Just now       
C. talking      
D. are having          
D. Of                       
D. in answering          
D. bought              
D. Before              
D. cooked              
D. but                 
D. get                 
D. At the moment               
D. speaking          
单项选择题