题目内容

The matter _____ you were arguing about last night has been settled.

A.that
B. what
C. why
D.for which

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Who _____ has common sense will do such a thing?

A. which
B. who
C. whom
D. that

从原点出发的射线与TVC相切的产量上不存在( )。

AVC最小
B. MC=AVC
C. MC最小
D. MC处于上升阶段

从原点出发的射线在与TC曲线相切的产量上,必有( )。

AVC最小
B. MC=AVC
C. ATC最小
D. MC最小

厂商的关闭点不包括()。

A. P=AVC
B. TR=TVC
C. P=AC
D. 企业总损失等于TFC

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