问题 问答题 简答题

简述经济订货批量的一般公式必须假设的基本前提。

答案

参考答案:

1、企业在一定时期内存货的总需求量可以准确地预测。

2、存货的耗用是均衡的,按一个确定的比例逐渐耗用。

3、不可能出现缺货情况。

4、存货的价格稳定,不存在数量折扣。

5、存货的订购数量和订购日期由物流企业决定,当存货数量降为零时,下一批存货能马上到位。

完形填空
完形填空。
     Do you like to go camping (野营)? Do you know how to start a fire? If you don't know how to start a fire,
you   1   your food, and can't sit by the side of a fire, and can't keep yourselves   2  .
     Long, long ago people   3   how to start fires. They probably started fires from lightning (闪电). But they
had to   4   the lightning fire burning, for there was   5   to start it   6  .
     Later people learned how to start fires. They   7   out hitting two pieces of stone (石头) together could make
a spark (火光).The spark could set   8   on fire (set…on fire 使…… 燃烧). They could start this kind of fire
again if it went out (熄火).
     Then people also learned to make a fire by rubbing (摩擦) two sticks together. They made a hole (洞) on a
large stick and put the   9   stick into the hole. And then they turned the stick again and again.  10  a few minutes
they started a fire.
     About two hundred years  11 , people began to  12  matches (火柴). One early match looked  13  the match
we use today. The match gave people a  14  way to start fires. Today people are  15  finding new ways to start
fires. One of the new ways to start a fire is to use an electric fire starter (电子打火器). Now you can  16  
matches and electric fire starter at  17 . Of course an electric fire starter is more expensive than  18  19  it is
useful.
     After people learned to make fires, their lives became  20 .
( )1. A. can cook         
( )2. A. quiet            
( )3. A. have known       
( )4. A. ask              
( )5. A. no way           
( )6. A. only             
( )7. A. took             
( )8. A. dry paper        
( )9. A. larger           
( )10. A. After           
( )11. A. before          
( )12. A. invented        
( )13. A. up              
( )14. A. quick and easy  
( )15. A. always          
( )16. A. sell            
( )17. A. home            
( )18. A. a match         
( )19. A. so              
( )20. A. harder and harder
B. can eat           
B. full              
B. knew              
B. keep              
B. no idea           
B. again             
B. found             
B. wet leaves        
B. large             
B. Before            
B. ago               
B. do                
B. different         
B. slow and difficult
B. already           
B. buy               
B. factories         
B. a box of match    
B. and               
B. easier and easier 
C. can’t cook        
C. hot                
C. haven’t known     
C. let                
C. a way              
C. more               
C. looked             
C. wet paper          
C. smaller            
C. When               
C. later              
C. make               
C. the same           
C. new and interesting
C. even               
C. see                
C. shops              
C. a box of matches   
C. but                
C. longer and longer  
D. can’t eat         
D. warm                  
D. didn’t know       
D. make                
D. an idea             
D. either              
D. heard               
D. dry leaves          
D. smallest            
D. For                 
D. after               
D. used                
D. like                
D. important and clever
D. still               
D. find                
D. towns               
D. a box matches       
D. because             
D. happier and happier 
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