According to Darwin, why do people laugh?A、Laugh is a survival technique for bab

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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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According to Darwin, why do people laugh?A、Laugh is a survival technique for bab

Accordingtothepassage,howcanyoungpeoplestayinahostel?A、Iftheyarrive

Today,howmanyyoungpeoplecantheroomsinallthehostelsintheworldhold?

Whyisthepriceofhostelslow?A、Peoplebringtheirownequipment.B、Aruinedc

Whyisthepresenteducationsystemcriticizedaccordingtothepassage?A、Becaus

Whatistheadvantageforthepeoplewhojointheco-opfora6-monthperiod?A、T

Wherecanpeoplefindthetallestredwoodtrees?[originaltext]M:Haveyouevervi

AccordingtoKerrnitsis,whatcausedthemostofthedevastation?A、Themassives

Accordingtodefenseofficials,thepurposeofthePentagoncreatingthespecial

WhatdoestheHongKonggovernmentcallonitspeopletodo?A、Toknowtheagenda

HowmanyofficersdoestheHongKongPolicedepartmentroughlyhaveaccordingto

71.Battlesarelikemarriages.Theyhaveacertainfundamentalexperiencet

Withagood______ofthecriminalfromwitnesses,thepolicewereabletofind

旅行社的现金使用范围不包括()。A.职工工资 B.各种劳保 C.差旅费用

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