问题 填空题

11 是实现C++语言编译时多态性的机制, 12 是实现C++语言运行时多态性的机制。

答案

参考答案:11 静态联编或静态绑定

解析:12 动态联编或动态绑定 C++语言编译时多态性的机制是静态绑定,实现C++语言运行时多态性的机制是动态绑定。

完形填空
完形填空。
    Last week    1   was trying to cheer up Jimmy the Bike Boy. But    2   week, Jimmy is happy again. 
   3   Monday he told a radio interviewer that he had run out of    4   to buy old bikes. He also put up
some    5   asking for old bikes and called up all his friends and told them about the problem. He even
handed    6   advertisements at a local supermarket. Then he told the teachers at    7   about his problem
and they set up a call-in center for parents. The strategies    8   he came up with worked out fine. He
now    9   sixteen bikes to fix up and give away to   10  who don't have bikes.
( )1. A. everyone   
( )2. A. that     
( )3. A. In       
( )4. A. money    
( )5. A. pencils  
( )6. A. out             
( )7. A. shop     
( )8. A. this     
( )9. A. have   
( )10. A. child    
B. every      
B. these     
B. On       
B. time      
B. books       
B. in      
B. hospital        
B. who     
B. has        
B. a child 
C. all           
C. this         
C. At          
C. food         
C. pictures     
C. with         
C. school       
C. that         
C. had            
C. children 
D. both      
D. those      
D. With       
D. water      
D. signs                                   
D. at           
D. bank      
D. where        
D. have been   
D. Jimmy    
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