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问题 单项选择题

后牙牙槽嵴吸收较严重，为便于清洁，金瓷桥的桥体与牙槽嵴的关系最好为

A．盖嵴式
B．悬空式
C．改良鞍基式
D．改良盖嵴式
E．压紧接触式

答案

参考答案：B

完形填空
完形填空。
     Hello, everyone! Do you know  1 ? My name  2  Cindy Brown. Cindy is my  3  name and Brown is my
family name. I am a  4 . I am nine years old. My  5  is 667-1298. There are (有)  6  people in my family－my
parents, my brother and I. We all like fruit and vegetables. They are  7  food. We often  8  them for lunch and
dinner. I like books,  9  I don't like ball games. My brother, Peter Brown, likes ball games but he  10  books.
We both (两个都) love our parents and our family.
( )1. A. me      
( )2. A. am      
( )3. A. last    
( )4. A. boy     
( )5. A. bookcase
( )6. A. three   
( )7. A. healthy 
( )8. A. play    
( )9. A. and     
( )10. A. likes   		B. I        
B. are      
B. family   
B. girl     
B. watch    
B. four     
B. boring   
B. have     
B. or       
B. don't like		C. my      
C. is      
C. one     
C. daughter
C. answer  
C. five    
C. relaxing
C. watch   
C. but     
C. like     		D. us              
D. be              
D. first           
D. cousin          
D. telephone number
D. six             
D. fun                                           
D. call            
D. so              
D. doesn't like    
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单项选择题

抽气器的作用是抽出凝汽器中的()。

A.空气；

B.蒸汽；

C.蒸汽和空气混合物；

D.空气和不凝结气体。
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