问题 填空题

按照“先进先出”的原则组织数据的结构的是______。

答案

参考答案:队列

解析: 队列是一种特殊的线性表,只允许在表的一端插入元素,在表的另一端删除元素,插入元素的一端叫做“队尾”,删除元素的一端叫做“队头”,先插入的元素先被删除,是按先进先出的原则组织数据的。

完形填空
完型填空。

     Dr Spear is a doctor living in  London.  She decided one morning to    1     her cat away. Dr Spear
thought that it was much     2for the animal to live in the      3 .    4    she put Mimi in her car and drove
more than 100 kilometres out of the city to her brother's house and left the cat with him. A month later
she was shocked to     5    that Mimi was no longer    6     ! Then one night Dr Spear heard a      7    at
her bedroom window.  Unable  to  sleep  she     8      bed and was surprised  to  see a thin cat looking
    9         . She chased the cat  away and went back to bed. Then, just as she was about to fall asleep,
something landed on her bed. "It gave me a       10      fright(惊吓)and then I realized it was Mimi!"

( )1. A. put  
( )2. A. higher  
( )3. A. country  
( )4. A. But  
( )5. A. think  
( )6. A. alive  
( )7. A. noise  
( )8. A. made the
( )9. A. at  
( )10.A. soft  
B. leave     
B. better  
B. city     
B. Because  
B. see     
B. there    
B. story    
B. put away the
B. up      
B. real     
C. give       
C. more dangerous
C. house     
C. Or      
C. hear    
C. here    
C. laugh    
C. got out of    
C. down      
C. strange    
D. ask            
D. harder        
D. car            
D. So            
D. ask            
D. pretty        
D. voice          
D. looked at the  
D. in            
D. bit            
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