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问题 判断题

陶瓷的抗拉强度通常是抗压强度的5-10倍。

答案

参考答案：错

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完形填空。
      Last week, we   1   ten students   2   No. 3 Middle School what they   3   last weekend.   4   most kids, the
weekend was fun. Ten kids did   5   or   6  . On Saturday afternoon, five kids went   7  , and three went to the
library. Two kids also played computer   8  . On Saturday evening, seven kids watched a movie or   9   at home
and watched TV. On Sunday, two kids visited friends, nine kids cleaned  10   rooms, and five played sports.
( ) 1. A. asked        
(     ) 2. A. in          
( ) 3. A. doing        
(     ) 4. A. On          
(     ) 5. A. many homework
(     ) 6. A. study        
(     ) 7. A. shoping      
( ) 8. A. game         
(     ) 9. A. stays        
(     ) 10. A. there        		B. asking   
B. at       
B. does     
B. In       
B. houseworks       
B. studied  
B. shop     
B. games    
B. staying  
B. his       		C. ask         
C. for         
C. did         
C. To          
C. homeworks        
C. studying    
C. shopping    
C. gameing     
C. to stay     
C. her        		D. asks        
D. of          
D. do          
D. For         
D. homework            
D. to study    
D. shops       
D. gaming      
D. stayed      
D. their     
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选择题

电热水壶是我们熟悉的家用电器，如图所示从电热水壶的结构和使用来看，它涉及到很多物理知识。下面说法中不正确的是：

[ ]

A.壶把加装胶木，是因为胶木具有良好的隔热、绝缘性能

B.该水壶的三脚插头损坏后，小明用一个两脚插头替代

C.壶身和壶嘴上部开口，下部相连，构成连通器

D.壶盖开有小孔，在大气压的作用下，水容易倒出

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