题目内容：
生产的三个阶段是如何划分的？为什么厂商的理性决策应在第二区域？参考答案：
选择题：生产的三个阶段是如何划分的？为什么厂商的理性决策应在第二区域？
- 题目分类：西方经济学（本）
- 题目类型：选择题
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超额利润就是价格与平均变动成本之差。
超额利润就是价格与平均变动成本之差。选择一项：对错
有一角度测 20 测回，得中误差±0.42 秒，如果要使其中误差为±0.28秒，则还需增加的测回数N
有一角度测 20 测回，得中误差±0.42 秒，如果要使其中误差为±0.28秒，则还需增加的测回数N=（ ）。A)25B)20C)45D)5
Language is a marvelous thing. Every language cons
Language is a marvelous thing. Every language consists of a limited number of so
) It was going to rain just now; ______, it is cle
) It was going to rain just now; ______, it is clear now. ( )(本题2.5分) A、 but B、
She couldn.t __________ laughing at him in those c
She couldn.t __________ laughing at him in those clothes.(本题3.5分) A、 decline B、