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A.在生产函数已知时可以确定一条总成本曲线B.就可以确定一条总成本曲线C.在生产要素价格已知时可以确定一条总成……

如果确定了最优的生产要素组合,则(    )。
   A.在生产函数已知时可以确定一条总成本曲线
   B.就可以确定一条总成本曲线
   C.在生产要素价格已知时可以确定一条总成本曲线
   D.在生产函数和生产要素价格已知时可以确定总成本曲线上的一个点

A.在生产函数已知时可以确定一条总成本曲线

B.就可以确定一条总成本曲线

C.在生产要素价格已知时可以确定一条总成本曲线
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未分类题第二节 完型填空阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。The increase in international business has created a need for managers with knowledge of foreign languages and skills in cross cultural communication. Americans, however, have not been well trained in higher area and, 【B1】 , have not enjoyed the same 【B2】 of success in negotiation (谈判) in an international area as their foreign counterparts. Negotiating is the process of 【B3】 back and forth for the purpose of reaching an agreement. It includes persuasion and compromise (折中), but in order to 【B4】 either one, the negotiator, must understand the ways which people are persuaded and how compromise is reached with the 【B5】 of negotiation. In many international business negotiations abroad, Americans are 【B6】 as wealthy and impersonal. It often 【B7】 to the foreign negotiators that the Americans stand for a large multi million dollar corporation that can 【B8】 to pay the price without 【B9】 further. The American negotiator's role becomes that of a(n) 【B10】 provider of information and cash.【B11】 studies of American negotiators abroad, several traits have been proved that may 【B12】 to support this unchanging perception (看法). Two traits 【B13】 that cause cross cultural misunderstanding are directness and 【B14】 on the part of the American negotiators. 【B15】 , American negotiators often insist on realizing short term 【B16】 . Foreign negotiators, on the other hand, may 【B17】 the relationship set up between negotiators and may be willing to spend time in it for long term interests. Clearly, perceptions and differences in values 【B18】 the outcomes of negotiations and the 【B19】 of negotiators. For Americans to play a more effective role in international business negotiation, they must put forth more effort to 【B20】 cross cultural understanding.【B1】A.besidesB.otherwiseC.butD.therefore