题目内容
当整个行业供给小于需求时，由于价格高会引起整个行业供给增加，从而价格下降，导致个别厂商的需求曲线向下移动。当整个行业供给大于需求时，由于价格低会引起整个行业供给减少，从而价格上升，导致个别厂商的需求曲线向上移动。
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总收益等于总成本，厂商既无超额利润又无亏损，因此，也就不再调整产量，即实现了长期均衡。
在短期均衡时所达到的平均成本处于最低点，这时资源自由流动，生产要素的效率得到了最有效的发挥
现实中完全竞争的情况很少，一般来说，竞争必然引起垄断。
词汇题1单选题Part IIVocabulary & Structure (10 minutes)Directions: This part is to test your ability to construct correct and meaningful sentences. It consists of 2 sections.Section ADirections: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A), B), C) and D). Then you should mark the corresponding letter on theAnswer Sheetwith a single line through the center.25. We regard customer complaints as an opportunity to _____ our service.A) bring B) receive C) improve D) obtain
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