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问题 单项选择题

应对世界金融危机，使企业尽快走出困境，企业必须十分重视提高自己的产品质量，这是因为（）

A.提高产品质量能使单位产品的价值量增大，使商品价格高于价值

B.提高产品质量有利于顺利地让渡使用价值而获得价值

C.提高产品质量就能使商品在市场竞争中处于垄断地位

D.提高产品质量一定能够实现国民经济又好又快发展

答案

参考答案：D

完形填空
完型填空。
     Mary has some friends.    1  Betty, Peter, Alice   2   Mike. Mary is the oldest   3  . Betty is thirteen
years   4  . She is younger than Mary and older than Peter. Alice is nine and Mike is seven.
     Betty and Peter are   5   runrung. But Peter runs faster. Mary and Betty like to _6  . Mary plays
better than Bettey. Alice sings   7   0f them. Mary and Betty study in a middle school. Alice and Mike
study in a primary school. They   8   work hard at school. But Betty works   9  . Her handwriting is
good,   10  .
( )1.A. They are      
( )2.A. but            
( )3.A. in the five    
( )4.A. older          
( )5.A. best          
( )6.A. play basketball
( )7.A. good          
( )8.A. six            
( )9.A. hard          
( )10.A. too           		B. It is            
B. or              
B. of five          
B. old              
B. better          
B. play a basketball
B. better          
B. all              
B. harder          
B. two              		C. There are          
C. so                
C. of the five        
C. oldest            
C. well              
C. play the basketball
C. best              
C. four              
C. veryhard          
C. at                 		D. We are          
D. and              
D. for the rive    
D. very old        
D. good            
D. play basketballs
D. well            
D. both            
D. hardest          
D. also            
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选择题

价格在市场经济中具有以下功能[ ]

①传递市场信息②配置资源③促进技术进步，降低社会必要劳动时间④围绕价值上下波动

A．①③

B．①②

C．①④

D．②③
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