问题 单项选择题

假设某高科技企业2000年购置了一台光学设备原价20万元,历年的累计折旧为9万元。现由于科学技术的进步,这台光学设备已完全过时,增丧失了使用价值。在这种情况下,该光学设备的账面价值为11万元称为()。

A.机会成本

B.重置成本

C.历史成本

D.沉没成本

答案

参考答案:D

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完形填空。
     One day Daddy and I went out for a walk. On the way we  1  a lot of people. We went up and   2  
a look. Oh, dear!  3  did we see? There   4   a donkey (驴) in the middle of the road. It would not move.
The cars and buses could not get past.
     Then a policeman came."  5   donkey is this?" he asked. "It's mine," said a farmer, "but I  6   move it."
The policeman and the farmer did   7   best to move the donkey, but it would not move. We laughed,
but the   8   of the cars and the buses were worried. "We can't move the donkey," the farmer and the
policeman said. "What shall we do?"
    "Give a carrot   9   him," my father said.
    "What a good idea!" said the farmer.
    Soon he found a carrot and showed it to the donkey. When the donkey saw a carrot, it jumped up
and walked after the farmer.   10   the cars and buses could get past at last. How interesting!
( )1. A. saw    
( )2. A. enjoyed  
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( )5. A. Whose    
( )6. A. mustn't
( )7. A. his    
( )8. A. drivers
( )9. A. for      
( )10. A. Some of
B. thanked  
B. had      
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D. Which    
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D. How      
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D. they      
D. teachers  
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D. Few of    
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