问答题

联大学堂《管理经济学（郑州城市职业学院）》题库及答案-3

答案：正确答案：解：（1）根据市场短期条件D=S，有：20000-500P=-5000+500P解得：P=25Q=7500（2...

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单项选择题

Which of the following is not true_______ A. We choose our occupation once in our life. B. We may change our occupation several times when our goal changes C. If we have a dream, we can go as far as we want in our career life D. We should be realistic when we set up our goal

梁主要用于承受弯矩，为了充分发挥材料的强度，其截面通常设计成高而窄的形式。
正确
错误

答案：正确