问题 单项选择题

间隙愈合要求骨断端间的距离小于()

A.0.8mm

B.1.2mm

C.1.6mm

D.2.0mm

E.2.4mm

答案

参考答案:A

解析:小于0.8mm才能达到间隙愈合,大于0.8mm时只能达到临床2期愈合。

完形填空
完形填空。
     Mr Smith lives in the small village, but he works in an office in a big city. He goes to work by train
every morning and comes    1    the same way.
    One morning while he was    2    his newspaper on the train, a man    3    him came up to him. Mr
Smith had not met him before. The man said, "    4   "to him and then    5    to talk to him. The man said, "Your    6   isn't interesting, is it? You got on the same train at the same station at the same time    7   
morning and you always sit in the same seat and read the same newspaper.”
    When Mr Smith     8    this, he put his newspaper down, turned around and    9    the man angrily,
     "How do you know all that about me?"
    "Because I'm    10   sitting in the same seat behind you," the man answered.
(    )1. A. family  
(    )2. A. reading
(    )3. A. before  
(    )4. A. Sorry  
(    )5. A. refused
(    )6. A. life    
(    )7. A. one    
(    )8. A. heard  
(    )9. A. asked  
(    )10. A. never  
B.house    
B.look      
B.behind    
B. Thanks  
B. stopped  
B. work    
B. every    
B. listened
B. said    
B. hardly  
C.home      
C.seeing    
C.beside    
C. Hello    
C. began    
C. office    
C. this                                           
C. found    
C. told      
C. always    
判断题