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【单选题】
Total revenue increases at a constant rate as output increases when average revenue:A.
increases as output increases.
B.
increases and then decreases as output increases.
C.
exceeds price.
D.
is constant.
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举一反三
【单选题】If you want to be creative, you have to ______ your surroundings.
A.
ask
B.
avoid
C.
understand
D.
take in
【判断题】Being familiar with the surroundings has a positive effect on your presentation.
A.
正确
B.
错误
【单选题】Your proposal that they ____________ their conversation in French is quite reasonable.
A.
are to carry on
B.
will carry on
C.
carry on
D.
must carry on
【简答题】请简述网页图像的主要格式。
【判断题】Being familiar with the surroundings has a positive effect on your presentation.
A.
正确
B.
错误
【简答题】What’s the advantage of traveling in a way that integrates you into your new surroundings?
【简答题】请简述网页图像的主要格式。
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