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问题 单项选择题

图示两板用圆锥销钉连接，圆锥销钉的受剪面积为（）。

A．A

B．B

C．C

D．D

答案

参考答案：C

完形填空
完形填空
       Brian is doing   1   now. He's working hard at school. He is happy in Canada.
       This week, he got to know   2   neighbourhood. On Monday, Jenny walked to school   3   him and
she showed him her favourite places. There   4   a bakery near his house. He can buy bread there.   5   his way to school, he can buy books at the   6  . He thinks   7   is not easy to live in a new neighbourhood.
Yesterday, he   8  . A young woman helped him   9   his way. Tomorrow, he   10   buy a map of the city.
He will keep it in his backpack. Then he won't get lost again.
( )1. A. good          
( )2. A. he            
( )3. A. with          
( )4. A. has            
( )5. A. At            
( )6. A. shop          
( )7. A. this          
( )8. A. lost his way  
( )9. A. finds          
( )10. A. is going to   		B. well                
B. him                  
B. and                  
B. is                  
B. On                  
B. bakery              
B. it                  
B. lost his street      
B. find                
B. goes to              		C. happy            
C. his              
C. except          
C. was              
C. In              
C. bookstore        
C. what            
C. lost his bag    
C. found            
C. went to          
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单项选择题

在某淡水湖四周筑成周长为8040米的大堤，堤上每隔8米栽柳树一棵，然后在相邻两棵柳树之间每隔2米栽桃树一棵，应准备桃树多少棵

A．1010
B．1005
C．3015
D．3010
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