问题 单项选择题

下列选项中,不是一个算法的基本特征的是( )。

A.完整性

B.可行性

C.有穷性

D.拥有足够的情报

答案

参考答案:A

解析: 作为一个算法,一般应该具有4个特征:①可行性,即考虑到实际的条件能够达到一个满意的结果:②确定性,算法中的第一个步骤都必须是有明确定义的;⑧有穷性,一个算法必须在有限的时间内做完;④拥有足够的情报。

完形填空
完形填空。
     I have always been interested in clowns (小丑). The earliest thing I can remember, as a child of three, is
seeing a pair of clowns-one very fat, and the other very   1  . A traveling circus (马戏团) came to our town
and my parents took me to see it. When we arrived at the circus, everyone was laughing at the clowns. I didn't
understand why they were laughing,   2   I laughed too.   
     While I was   3  , the fat clown came and sat down next to me. "Shall we dance?" he asked, then   4   me
up and began dancing. I felt frightened and began to cry.   5   then I have been interested in clowns. They make
me laugh a lot, although they still make me a bit   6   too.   
     In life, we sometimes laugh at things that   7   us. We often laugh most at people who make us nervous.
When we laugh, we relax and   8   ourselves. People who never laugh can become worried and ill. Laughter is
like medicine and a clown is like a   9  .   
     There have always been, and there will always be clowns, because people need to laugh. Laughter is the best
kind of  10  in life.
( )1. A. happy  
( )2. A. and    
( )3. A. dancing
( )4. A. picked 
( )5. A. Before 
( )6. A. tired  
( )7. A. trouble
( )8. A. play   
( )9. A. doctor 
( )10. A. dream 
B. thin    
B. so      
B. eating  
B. threw   
B. Since   
B. silly   
B. surprise
B. love    
B. nurse   
B. medicine    
C. kind    
C. or      
C. laughing   
C. hung    
C. By      
C. afraid  
C. interest
C. enjoy   
C. friend  
C. care    
D. lucky      
D. but        
D. crying     
D. pushed     
D. From       
D. sick       
D. frighten   
D. understand            
D. teacher    
D. color      
单项选择题