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

游客2023-11-05 71

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

WhathashappenedinVenezuela,accordingtothenews?[originaltext]Apla

AccordingtotheAmericanfederalgovernment,residentsofHawaiihavethelonge

Whatisthenewsmainlyabout?[br][originaltext]TheDemocraticPeople’sR

Whatisthenewsmainlyabout?[originaltext]TheDemocraticPeople’sRepubli

Accordingtothenews,whatwasthefirstrealchallengeforMr.Baradei?[orig

Howmanypeoplehaveheldadomonstration?[br][originaltext]About1,000su

Accordingtothenews,whatistheUSmanufacturers’concernabouttheChinese

Accordingtotheman,whydomodernbooksdecay?[br][originaltext]W:Excusem

Accordingtotheman,whydomodernbooksdecay?[br][originaltext]W:Excusem

Thestorewas_________peopleshoppingforhouseholdwares.A、occupiedbyB、seiz

•Youwillhearanintroductionofinsurance.•Asyoulisten,forquestions1--12

[originaltext]W:WhatcanIdoforyou,sir?M:Iwanttodraw$100frommyacc

[originaltext]Trolleysrallyingdownaisles,endlesscheckoutqueues,andf

基础标准是指在某一专业范围内作为其他标准的基础并普遍使用，具有广泛指导意义的术语

儿童反复腹痛最常见的器质性疾病是A.慢性胃炎 B.肠蛔虫 C.消化性溃疡

患者，女性23岁，诉发热伴心前区隐痛数日，吸气时疼痛，体检:体温39.2℃，血压

A.咳嗽痰少黏稠 B.咳喘痰黄量多 C.咳喘咯脓血腥臭痰 D.咳嗽痰稀易咯

很多人都喜欢将自己眼中的世界分门别类，并用固有的认知打上标签。这种“刻板印象”的

C

治疗后的牙周病复发机会最小的是哪项A.菌斑控制良好者 B.每年做一次洁治、调者