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  3. According to Darwin, why do people laugh?

According to Darwin, why do people laugh?

admin2015-03-11  35
问题 According to Darwin, why do people laugh?
选项 A、Laugh is a survival technique for babies.
B、They laugh to ease hostilities.
C、They laugh to make parents feel relaxed.
D、They laugh to fight off disease.
答案A
解析 事实推理题。达尔文认为婴儿的微笑是进化过程中形成的对父母的“奖励”，父母陶醉于婴儿的微笑，这鼓励他们继续照顾婴儿。我们可以推测出微笑是婴儿的生存技巧。所以选择A。
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