2. 外语
  3. The assumption of free entry implies that if firms in an industry are earning excessively high profits, new firms that seek to d

The assumption of free entry implies that if firms in an industry are earning excessively high profits, new firms that seek to d

admin2011-01-03  31
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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大学英语四级

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