移动广告的优势不包括()。

The author states that the will and the passions of the people______.A．can be effectively controlled by the people themselvesB．should determine government policiesC．can be controlled only by a power that exists apart from the people and is not subject to that will and those passionsD．cannot be controlled此题为多项选择题。 点击查看答案

机会成本的表现形式多种多样，货币形式表现的机会成本是()。

A、产量
B、建筑面积
C、固定资产规模
D、利润

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