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问题 单项选择题 A1/A2型题

下列病变的杂音为全收缩期杂音的是 （）

A.二尖瓣狭窄

B.二尖瓣关闭不全

C.肺动脉瓣狭窄

D.主动脉瓣狭窄

E.动脉导管未闭

答案

参考答案：B

解析：二尖瓣关闭不全的杂音可为全收缩期杂音，性质粗糙，高调，向左腋下或左肩胛下区传导。

选择题

青春期是人一生中身体发育的关键期。这一时期身体变化很大。下列不属于这一时期变化的是[ ]

A．身体外型发生的变化

B．身体内部器官的完善

C．性机能的成熟

D．乳牙的替换
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完形填空
完形填空。

     He has been called the "missing link." Half-man,half-beast. He is supposed to live in the highest mountain in
 the world-Mount Everest.
     He is known as the Abominable Snowman.The   1   of the Snowman has been around for   2  . Climbers
in the 1920s reported finding marks like those of human feet high up on the side of Mount Everest.The native
people said they   3   this creature and called it the "Yeti," and they said that they had   4   caught Yetis on two
occasions   5    none has ever been produced as evidence (证据).
     Over the years, the story of the Yetis has   6  . In 1951, Eric Shipton took photographs of a set of tracks
in the snow of Everest.Shipton believed that they were not   7   the tracks of a monkey or bear and   8   that
the Abominable Snowman might really   9  .
     Further efforts have been made to find out about Yetis. But the only things people have ever found were 
 10  footprints. Most believe the footprints are nothing more than  11  animal tracks, which had been made  12  
as they melted (融化) and refroze in the snow.   13  , in 1964, a Russian scientist said that the Abominable
Snowman was  14  and was a remaining link with the prehistoric humans. But,   15  , no evidence has ever  16  
been produced.
     These days, only a few people continue to take the story of the Abominable Snowman  17 . But if they ever 
 18  catching one, they may face a real  19 :Would they put it in a  20  or give it a room in a hotel?

( )1. A. event        
( )2. A. centuries    
( )3. A. heard from  
( )4. A. even        
( )5. A. as          
( )6. A. developed    
( )7. A. entirely    
( )8. A. found        
( )9. A. exist       
( )10. A. clearer                  
( )11. A. huge        
( )12. A. strange    
( )13. A. In the end   
( )14. A. imagined     
( )15. A. so          
( )16. A. rightly    
( )17. A. lightly     
( )18. A. succeed in  
( )19. A. decision    
( )20. A. zoo          		B. story     
B. too long  
B. cared for 
B. hardly   
B. though   
B. changed   
B. naturally 
B. declared  
B. escape    
B. more     
B. recent                     
B. large    
B. Therefore
B. real     
B. besides   
B. actually  
B. jokingly  
B. insist on 
B. situation 
B. mountain 		C. adventure
C. some time
C. knew of  
C. certainly
C. when    
C. occurred  
C. clearly  
C. felt     
C. disappear
C. possible  
C. ordinary                  
C. deep    
C. After all 
C. special  
C. again    
C. normally  
C. seriously 
C. depend on
C. subject  
C. museum    		D. description             
D. many years              
D. read about              
D. probably                
D. until                   
D. continued               
D. simply                  
D. doubted                 
D. return                  
D. rare                    
D. frightening             
D. rough                   
D. However                 
D. familiar                
D. instead                 
D. particularly            
D. properly                
D. join in                 
D. problem                 
D. laboratory              
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