题目内容

如果固定成本很高,厂商一定会停业。

A. 对
B. 错

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一个寡头企业在决定降低其产品价格时候会考虑其他企业的反应。

A. 对
B. 错

Something that is ____adequate is not good enough.

A. in-
B. im-
C. il-
D. un-

A person who can’t read and write is ____literate.

A. dis-
B. il-
C. im-
D. in-

If something is ____edible, it means it cannot be eaten.

A. mis-
B. dis-
C. un-
D. in-

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