题目内容

关于LMC曲线,描述不正确的是()。

A. 当LMC B. 通过LAC曲线的最低点
C. 随LAC曲线的下降而下降
D. 呈U形变化

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以下表述正确的一项是()

A. 在长期中所有成本都是固定的
B. 在长期中所有成本都是可变的
C. 在短期中所有成本都是固定的
D. 在短期中所有成本都是可变的

边际技术替代率递减规律与边际报酬递减规律之间的联系如何?请给出详细说明。

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Amway (China) Daily Necessities Company LimitedAmway is a leading international company engaged in daily necessities(必需品)with an annual sale of 1.6 billion US dollars worldwide. We are lookingfor qualified personnel to fill the following positions in our Beijing Office.1.Purchasing ManagerlCollege diploma(文凭)with technical backgroundlAt least 3 years’experience in the field of chemical and packaging materialslAble to work independently and to set up purchasing procedureslGood computer skillslExcellent negotiation(谈判)techniqueslFluent in English, but not essential2.Personnel ManagerlCollege diploma in Human Resources ManagementlAt least 2 years’experience in Human Resources ManagementlGoodcomputerskillslFluent in English3.Sales ManagerlCollege diplomalKnowledge in product saleslFluent in EnglishlActive and hard-working1. What line of products is Amway engaged in?.2. What skills should a purchasing manager have?Good .3. What foreign language should the personnel manager speak fluently?_____________.4. What qualities should a candidate have if he wants to be the sales manager?He must be active and _____________.5. How many positions does the company offer in the advertisement?_____________.

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