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  3. The story of J.B.S. Haldane is mentioned in the text ______. According the theory of kin selection, humans tend to act altruist

The story of J.B.S. Haldane is mentioned in the text ______. According the theory of kin selection, humans tend to act altruist

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问题 The story of J.B.S. Haldane is mentioned in the text ______.
According the theory of kin selection, humans tend to act altruistically ______.
选项 A、for the sake of desired reproduction.
B、out of self-interest.
C、on the request of natural selection.
D、because of kind nature.
答案B
解析 题干问："根据亲缘选择理论，人类往往进行乐于助人的行为是由于…"。根据原文第2自然段，人类乐于助人的行为是由"个人私利"所致，答案选项表达了此意。而选项"为了繁衍后代的要求"，"自然选择的要求"以及"严由于善良的本质"皆不符合题意。
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考研英语一

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