问题 问答题 简答题

机会成本是如何定义的?

答案

参考答案:

机会成本是指在备选方案中做出具体选择时,因放弃其他交易而牺牲的可能获取的价值量。机会成本并非一般意义上的成本,它并不构成企业的实际支出,也无需记入账册,在损益表中不体现机会成本,但它却是正确进行决策时必须予以考虑的现实因素。

完形填空
完形填空。
     It was very late at night. An old man came to a small town. He found an inn (小旅馆) and wanted to stay
there for the night. After he went to his room, the owner said to his  1 ."Look at his bag. There must be much
money in it. Let's take it away when he's  2 , shall we?' "Oh, no," said the woman."He must  3  his bag when he
wakes up tomorrow morning. If he can't find it, he'll telephone the police."
     They thought for a few minutes. Then the woman had an  4 ."We have forgetful grass. Why not put some
forgetful grass into his food? If he  5  the food, he will forget to take his bag away."The old man ate the food
  6  the forgetful grass and went to bed. The next morning when the owner got up, he found the door  7  and
the old man had gone away with his bag. He woke his wife up and said to her angrily, "How foolish you are!
Your forgetful grass isn't  8  at all." "No, I don't think so. He must forget  9 ," his wife said.
     "Oh! I remember now! He forgot to  10  for the night," cried out the man suddenly. Then they looked at
each other without saying a word.
( )1. A. sister     
( )2. A. asleep     
( )3. A. set off    
( )4. A. idea       
( )5. A. eats       
( )6. A. onto       
( )7. A. open       
( )8. A. interesting
( )9. A. anything   
( )10. A. spend     
B. friend  
B. awake   
B. give up 
B. advice  
B. receives
B. for     
B. opens   
B. important
B. nothing 
B. cost    
C. aunt      
C. alive     
C. look for  
C. instruction
C. likes     
C. with      
C. opening   
C. delicious 
C. something 
C. take      
D. wife      
D. alone     
D. take off  
D. excuse    
D. refuses   
D. into      
D. to open   
D. useful                             
D. everything
D. pay       
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