问题 单项选择题

当供给增加量小于需求减少量时,则( )。

A.均衡价格下降,均衡交易量增加
B.均衡价格下降,均衡交易量减少
C.均衡价格上升,均衡交易量增加
D.均衡价格上升,均衡交易量减少

答案

参考答案:B

完形填空
完形填空。
     A long time   1   people thought the sun went round the earth. In some countries people even said that the
sun was a god (神).
     They thought that he drove across the sky every day   2   a golden horse. Now they know the earth goes
round the sun. It   3   the earth a year to go all the way round the sun. Today men even know   4   it is for the
earth to go round the sun. They   5   us that the earth travels over a thousand miles a minute on its way round
the sun.
     The sun is really a star. It's   6   bigger than the earth and it is very hot. Some people have been to the
moon.   7   no one can   8   to the sun. It's   9   hot for people to live anywhere near it. The sun is three
hundred  10  times heavier than the earth and more than a million times larger.
( )1. A. before   
( )2. A. on      
( )3. A. uses     
( )4. A. how long  
( )5. A. tell    
( )6. A. many     
( )7. A. Or      
( )8. A. live     
( )9. A. too    
( )10. A. thousands 
B. ago    
B. by      
B. spends   
B. how much    
B. say    
B. much    
B. So      
B. leave   
B. very    
B. thousand  
C. front   
C. with     
C. takes   
C. how many    
C. talk     
C. a lot of  
C. And     
C. go       
C. much     
C. thousand of   
D. once             
D. in               
D. brings           
D. how far                               
D. speak            
D. more             
D. But              
D. pass             
D. more             
D. thousands of     
单项选择题