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问题 单项选择题

射线探伤对零件内部缺陷进行定性、定量和定位分析的依据是（）.

A.缺陷数据

B.缺陷影像

C.缺陷波形

D.射线衰减程度

答案

参考答案：B

完形填空
完形填空。
    I got a letter from my sister yesterday. She lives in Sydney. In her letter, she said that she would   1   England
next year. If she   2  , she will get   3   surprise. Now we   4   in a beautiful new house in the country. The house
was finished five months   5  . In my letter, I   6   her that she could stay with us. The house   7   many large
rooms and there is a big, lovely garden. It is a very modern house, so it looks strange   8   some people. It must
be   9   modern house   10   that place.
( ) 1. A. come to 
(     ) 2. A. come  
(     ) 3. A. a    
(     ) 4. A. stays  
(     ) 5. A. before 
(     ) 6. A. spoke  
(     ) 7. A. have  
(     ) 8. A. to   
(     ) 9. A. /    
(     ) 10. A. by   		B. set out  
B. comes   
B. an     
B. lived            
B. ago    
B. said    
B. had    
B. at     
B. the only       
B. in    		C. set off  
C. came    
C. the    
C. stayed        
C. for    
C. told    
C. has    
C. in     
C. only    
C. on    		D. leave to      
D. will come     
D. some          
D. are living             
D. still         
D. talked        
D. having        
D. with          
D. only the      
D. beside      
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问答题 简答题

发出的矿灯，最低应能连续正常使用几个小时？
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