The assumption of free entry implies that if firms in an industry are earning ex

游客2023-07-21  17

问题 The assumption of free entry implies that if firms in an industry are earning excessively high profits, new firms that seek to do the same thing are likely to______.

选项 A、bring up
B、build up
C、spring up
D、strike up

答案 C

解析 语义连贯题。[C]spring up意为“突然出现”,符合题干语义。[A]bring up意为“教育,培养,提出”;[B]build up意为“增加,增强”;[D]strike up意为“开始某种关系,谈话”,如strike up a conversation。
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