题目内容

5.MC曲线与AC曲线相交于MC曲线的最低点。

A. 对
B. 错

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6.在长期中无所谓固定成本和变动成本之分。

A. 对
B. 错

8.平均变动成本随着产量的增加越来越少。

A. 对
B. 错

Do you know any other secrets towards academic excellence besides those mentioned in Text A? If so, share them with your classmates.

Which is more important to you on your way towards academicexcellence, intelligence or diligence (勤奋刻苦)? Whydo you think so?

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