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

游客2024-09-26 47

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

Modemadvertisingmentrytojustifywhattheydobytellingusoftheadva

AnofficetoweronMillerStreetinManchesteriscompletelycoveredinsolar

Theriskofdepressionforpeoplewholivealoneisalmost80percenthigher

—正方形截面短粗立柱(见图a))，若将其低面加宽一倍(见图b))，原厚度不变，则

简述“尺规作图”的基本要求，并写出古希腊时期“几何作图三大问题”的具体内容。

属于胸苷酸合成酶抑制剂的是A.巯嘌呤 B.利妥昔单抗 C.羟基脲 D.氟尿

16、现场检修工作时，SV采样值网络与GOOSE网络可以联通。

《史记》体例有五：十二本纪，记帝王政迹，是编年的。十表，以分年略记世代为主。八书

从大量收购案例来看，防御性收购的最大受益者是股东，而不是公司经营者。（）

关于母线安装的条件，正确的有（）。A.建筑屋顶、楼板已施工完毕，且不得渗漏