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为了帮助大家备考托福阅读，提高成绩，下面小编给大家带来托福阅读TPO13(试题+答案+译文)第1篇:Types of Social Groups，希望大家喜欢!

托福阅读原文

Life places us in a complex web of relationships with other people. Our humanness arises out of these relationships in the course of social interaction. Moreover, our humanness must be sustained through social interaction—and fairly constantly so. When an association continues long enough for two people to become linked together by a relatively stable set of expectations, it is called a relationship.

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