问题 单项选择题

建设项目质量具有一定的( ),任何环节的质量缺陷,都可能在投产使用后酿成事故。

A.约束性

B.单一性

C.分散性

D.潜隐性

答案

参考答案:D

完形填空
完形填空。
  Bob and Mike are in the same school,    1    they are in diffrent classes.
Their favorite     2     is Chinese. They    3      Chinese is very interesting. They
go to school on weekdays. They come to school    4     7:00 in the morning.
Today is Tuesday. Bob and Mike are in theirown(自己的)classroom.    
  Bob   5    an English class. Look ! He is talking     6     his English teacher in
English. Mike is having a Chinese class. His teacher is talking   7     Beijing
Opera with them.The students are looking at their teachers. They     8   (认真地).
But one of Bob’s classmates     9    a story book , because he isn't good at English
and he   10    English.
( )1. A. but          
( )2. A. sport        
( )3. A. say          
( )4. A. in        
( )5. A. have        
( )6. A. at        
( )7. A. to          
( )8. A. listen to  
( )9. A. are reading
( )10. A. likes    
B. and          
B. language    
B. speak        
B. on          
B. had          
B. to          
B. in          
B. listening to
B. is reading  
B. doesn't like
C. or          
C. country    
C. tell        
C. at          
C. has          
C. for        
C. about        
C. are listening
C. is read    
C. isn't like  
D. because          
D. subject        
D. talk            
D. about            
D. is having        
D. of              
D. at              
D. are 1istening to
D. reads          
D. isn't liking    
单项选择题