搜题请搜索小程序“爱下问搜题”
问题 单项选择题 共用题干题

患者右下第1磨牙大面积银汞合金充填，远中食物嵌塞，要求修复

为防止冠戴入后仍食物嵌塞，应采取的措施，除了（）

A.恢复正确的邻接关系

B.平面与邻牙一致

C.去除对颌充填式牙尖

D.去除该牙的牙合接触

E.加深颊舌沟

答案

参考答案：D

完形填空
完形填空。
     On Sunday morning, Bob usually   1   up very late. He washes his face and then   2   out to do morning exercise.
It is about 8:20 am. After he   3   his breakfast, he often goes to a shopping center(购物中心)   4   his mother.  The
shopping center is near his home, so they walk there. It takes   5   about 10 minutes to get there   6   .   The center is
new and big. There are many things there, such as TVs, fridges, bikes, computers, food and drinks. There are many
people there.   They are men and women, old and   7  .   Parents must look   8   their children because the shopping
center is so big.   Young children may get lost(迷失)in it. The things in this shopping center   9   usually good and
cheap. The workers there are always nice and   10  . So a lot of people like to buy things there.
( )1. A. gets      
( )2. A. walk      
( )3. A. has      
( )4. A. and      
( )5. A. they      
( )6. A. by foot  
( )7. A. tall      
( )8. A. after    
( )9. A. is        
( )10.A. kindly    		B. to get      
B. run        
B. having      
B. with        
B. them        
B. on foot    
B. short      
B. at          
B. are        
B. help                       		C. getting      
C. goes        
C. eat          
C. to          
C. their        
C. in foot      
C. fat          
C. for          
C. to be        
C. friend       		D. get            
D. going          
D. eating        
D. or            
D. theirs        
D. on walk        
D. young          
D. to            
D. be            
D. friendly                         
查看答案
改错题

请对下面的病句提出修改意见。

①为了防止这类事故不再发生，我们必须采取有效措施。

修改意见：________________________________________

②我们必须及时纠正并随时发现学习过程中的缺点。

修改意见：________________________________________
查看答案