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问题 单项选择题

任何一个单位生存的环境和单位自身都具有一定的（）。计划工作可以通过周密细致的预测，分析各类要素未来变化的趋势，制定相应对策，从而尽可能地减少变化带来的冲击。

A．风险性 

B．不确定性 

C．敏感性 

D．不确定性和可变性

答案

参考答案：D

完形填空
完形填空。

     In a big city, everyone is in a hurry in the early morning. People are  1  the stations, buses and cars.
They usually have no time for  2 . People work busily all day. At six o'clock in the evening, people go home 
 3  work. Most of the offices are closed,but some shops are still  4 .
     Many people  5  at night in a big city. For example, in the hospitals nurses are as busy as usual.
     In the evening, some people are going to have fun. Some are going to the cinemas. Some are going to the
concerts. You can  6  music there. You can hear the  7  of talking, laughing and singing. Tonight, there are
many people on the sidewalks (人行道). Some people stop to look  8  the shop windows. The others are  9  
buses and taxis. Day and night you can find people working and playing in a big city. A big city never  10 .

( )1. A. in        
( )2. A. school    
( )3. A. in        
( )4. A. over      
( )5. A. play      
( )6. A. listen    
( )7. A. loudspeaker
( )8. A. at        
( )9. A. waiting for
( )10. A. works     		B. out        
B. work       
B. behind     
B. off        
B. work       
B. look       
B. radio      
B. up         
B. looking for
B. wakes       		C. to         
C. breakfast  
C. after      
C. closed     
C. rest       
C. play       
C. sound      
C. after      
C. sending for
C. stops       		D. down     
D. children 
D. before   
D. open     
D. sleep    
D. enjoy    
D. voice                               
D. about    
D. paying for
D. sleeps   
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单项选择题

系统分析阶段的成果是()。

A．新系统的逻辑模型

B．系统说明书

C．系统总体规划

D．新系统的物理模型
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