寡头市场中厂商的勾结行为是稳定的,因为他们的利益是完全一致的。
查看答案
垄断厂商的需求曲线就是该垄断市场的需求曲线。
A. 对
B. 错
选择主动或被动语态填空。 How did people communicate over long distances before the phone _________ (invent)?
选择主动或被动语态填空。 The project __________________ (complete) next week by our outstanding marketing department.
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