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问题 单项选择题

钢材的堆放要尽量减少钢材的变形和锈蚀；钢材堆放时每隔（）层放置楞木。

A.1～2

B.3～4

C.5～6

D.7～8

答案

参考答案：C

完形填空
完形填空。
     I work in a small shop. It is near    1     English school. Every day students come to    2     things in the
shop.     3    the morning, I get up at six, and then I have    4    . I go to work    5    my bike. I getto
(达到) the shop at about six forty. The shop    6    from 7:00 a.m. to 7:00 p.m. We    7     many things like
food and drinks. We have school things,    8     . So    9    many people in our   10    from morning to
evening.
( )1. A. /      
( )2. A. buy    
( )3. A. On      
( )4. A. food    
( )5. A. from    
( )6. A. open    
( )7. A. sells  
( )8. A. too    
( )9. A. there is
( )10. A. shop   		B. a        
B. play    
B. At      
B. lunch    
B. on      
B. eats    
B. to sell  
B. two      
B. there are
B. home     		C. an      
C. like    
C. In      
C. dinner  
C. at      
C. has      
C. sell    
C. and      
C. there has
C. school   		D. the        
D. look      
D. For        
D. breakfast  
D. by        
D. is open    
D. selling    
D. but        
D. there have
D. family    
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单项选择题

自动调节阀的最佳开度为（）

A、20～80％

B、35～65％

C、10～90％

D、0～50％
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