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【单选题】
一个企业以总成本5000元生产1000单位产品。如果将产量增加到1001单位,总成本增加到5008元,由此可知( )A.
边际成本是5元，平均可变成本是8元。
B.
边际成本是8元，平均可变成本是5元。
C.
边际成本是5元，平均总成本是8元。
D.
边际成本是8元，平均总成本是5元。
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举一反三
【单选题】(Section B passage 1) 1.
A.
Children know how to handle a real gun.
B.
Children are not interested in real guns.
C.
Children know not to touch a real gun.
D.
Children won't know where a gun is hidden.
【简答题】II . 单项选择。 ( )1. — What's that in English? — _________ A.This is a book. B.It's a book. C.That's a book. D. Book. ( )2. — ______ is your friend? — Jim. A. What B. Where C. Who ...
【简答题】( A ) Dear Jack, I am in China now. I have many new friends here. They are very friendly. I often have dinner with them. I like many kinds of Chinese food, like Sichuan food, Hunan food and Guan...
【单选题】___ are they? —They are Maria and Jane.A. Who B. What C. Where D. How
A.
What
B.
Where
C.
How
D.
Who
【简答题】Section B Passage 1
【简答题】关于锻炼行为的理论主要有______、______、______、______、______。
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