问题 单项选择题

老年男性患者因嗜酒出现股骨头缺血性坏死,疼痛难忍需服用止痛药伴有跛行,X线检查显示股骨头塌陷严重,关节间隙明显变窄,骨赘增生。治疗应首选的方法是()

A.继续服用止痛药

B.人工关节置换手术

C.拆除空心螺钉

D.带血管骨瓣移植术

E.以上都不是

答案

参考答案:B

完形填空
完形填空。
     Swimming is very popular in summer. People like swimming in summer because water makes them
  1     cool. If you like swimming but swim in a    2_ place, it may not safe. These years, more than ten
people    3   while they were enjoying themselves in the water and _4 _ of them were students. But some
people are _5   not careful in swimming.They often think they swim so   6   that nothing can happen to
them in water. Summer is here again. If you go swimming in summer, don't forget _7    better swimmers
have died in water.They died because they were not careful,not because they    8    swim. So don't get
into water when you are alone   9  there is a "No swimming" sign, don't get into water, 10  . If you
remember these, swimming will be safer.
( )1. A. felt      
( )2. A. difficult
( )3. A. died      
( )4. A. much      
( )5. A. yet      
( )6. A. fast      
( )7. A. what      
( )8. A. couldn't  
( )9. A. Because  
( )10. A. either  
B. feel    
B. small  
B. die    
B. most    
B. already
B. often  
B. that    
B. wouldn't
B. Though  
B. nor    
C. feeling  
C. right    
C. have died
C. lot      
C. still    
C. well      
C. which    
C. needn't  
C. Whether  
C. also      
D. to feel
D. wrong  
D. will die
D. more    
D. even                 
D. hard    
D. who    
D. mustn't
D. If      
D. too      
单项选择题