题目内容：
According to the passage, the dynamics of small group economies differ from those of large group economies in that
参考答案：
答案解析：
单选题：According to the passage, the dynamics of small group econom
- 题目分类：GRE
- 题目类型：单选题
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CRUISELINER : SKIFF ::
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In the 160 years in which "handedness" has been studied we h
In the 160 years in which "handedness" has been studied we have learned quite a
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请在2处填上正确答案
请在2处填上正确答案