问题 填空题

圆锥的侧面是一个______面,把侧面展开得到一个______.

答案

圆锥的侧面是一个曲面,把侧面展开得到一个扇形.

故答案为:曲,扇形.

完形填空
完形填空。
    Most American families are smaller than the families in other countries. Most American
families have one or two   1   and one or two children each.
    Children in the U.S. will   2   their parents' home when they grow up. They usually live 
  3   their parents because they want to find good jobs. They often   4   to their parents or
telephone them. And they often go to visit their parents on   5  .
    Parents usually let their children choose their   6   jobs. Americans think it   7   for young
people to decide on their lives by themselves.
    Children are asked to do some work   8   their house. And in many families, children are 
  9   for doing some housework so that they can learn   10   to make money for their own use.
( )1. A. uncles  
( )2. A. leave    
(     )3. A. near   
(     )4. A. come   
(     )5. A. Monday  
(     )6. A. own    
(     )7. A. bad    
(     )8. A. outside  
(     )9. A. asked   
(     )10. A. what   
B. aunts   
B. reach   
B. far from  
B. drive   
B. weekdays  
B. first   
B. possible   
B. around   
B. made    
B. when     
C. parents  
C. love    
C. next to  
C. move    
C. Friday  
C. last    
C. important  
C. on     
C. paid    
C. where   
D. grandparents                 
D. hate           
D. close to       
D .write          
D. holiday        
D. best           
D. wrong          
D. beside         
D. called         
D. how            
单项选择题