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【单选题】
在完全竞争条件下，平均收益与边际收益的关系是( )A.
平均收益大于边际收益
B.
平均收益小于边际收益
C.
平均收益等于边际收益
D.
没有关系
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【简答题】A．She had to go home. B．She was too tired to continue: C．She had to finish her schoolwork. D．She was thirsty.
【简答题】情景选择。 1. — Wow! What a nice dress you are wearing! [ ] A. Thank you. B. I think so. C. Yes, it is. D. No, it's bad. 2. — I have lost a chance to win the match. [ ] A. Well done! B. Good luck! ...
【单选题】--Anna, what a nice dress you are wearing today! --Thank you. It fits me well, ______________ the colour is not my favourite.
A.
and
B.
so
C.
but
D.
or
【简答题】A．She had to go home. B．She was too tired to continue. C．She had to finish her schoolwork. D．She was thirsty.
【简答题】A．She had to go home. B．She was too tired to continue. C．She had to finish her schoolwork. D．She was thirsty.
【单选题】—Wow! What a nice dress you are wearing! —_____. [ ]
A.
Thank you
B.
I think so
C.
Yes, it is
D.
No, it's bad
【单选题】-- What a nice dress! How long ___ you ___ it ? -- Just two weeks.
A.
did , buy
B.
are, buying
C.
have, had
【单选题】--What a nice dress! How long _____ you _____ it? Just 2 weeks
A.
will, buy
B.
did, buy
C.
are, having
D.
have, had
【单选题】She was unwilling to go but she had no choice.
A.
unable
B.
indecisive
C.
ready
D.
reluctant
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