25个考研英语阅读经典试题及答案(25).docx

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25个考研英语阅读经典试题及答案(25)
整理“宫东风25个考研英语阅读经典试题及答案”供大家备考使用，预祝各位复习顺利！：试题：答案解析及全文翻译SAMPLE25[动物学类]题目序号题型归类第1题中心主旨题型第2题归纳推导题型第3题审题定位题型第4题主题句理解题型第5题句间关系题型Investigatorsofmonkey’ssocialbehaviorhavealwaysbeenstruckbymonkeys’aggressivepotentialandtheconsequentneedforsocialcontroloftheiraggressivebehavior.Studiesdirectedatdescribingaggressivebehaviorandthesituationsthatelicitit,aswellasthesocialmechanismsthatcontrolit,werethereforeamongthefirstinvestigationsofmonkeys’socialbehavior.Investigatorsinitiallybelievedthatmonkeyswouldcompeteforanyresourceintheenvironment:hungrymonkeyswouldfightoverfood,thirstymonkeyswouldfightoverwater,and,ingeneral,attimemorethanonemonkeyinagroupsoughtthesameincentivesimultaneously,adisputewouldresultandwouldberesolvedthroughsomeformofaggression.However,themotivatingforceofcompetitionforincentivesbegantobedoubtedwhenexperimentslikeSouthwick’sonthereductionofspaceorthewithholdingoffoodfailedtoproducemorethantemporaryincreasesinintragroupaggression.Indeed,fooddeprivationnotonlyfailedtoincreaseaggressionbutinsomecasesactuallyresultedindecreasedfrequenciesofaggression.Studiesofanimalsinthewildunderconditionsofextremefooddeprivationlikewiserevealedthatstarvingmonkeysdevotedalmostallavailableenergytoforaging,withlittleenergyremainingforaggressiveinteraction.Furthermore,accumulatingevidencefromlaterstudiesofavarietyofprimategroups,forexample,thestudyconductedbyBernstein,indicatesthatoneofthemostpotentstimuliforelicitingaggressionistheintroductionofanintruderintoanorganizedgroup.Suchintroductionsresultinfarmoreseriousaggressionthanthatproducedinanyothertypesofexperimentscontrivedtoproducecompetition.Thesestudiesofintruderssuggestthatadultmembersofthesamespeciesintroducedtooneanotherforthefirsttimeshowconsiderablehostilitybecause,intheabsenceofasocialorder,onemustbeestablishedtocontrolinteranimalrelationships.Whenasinglenewanimalisintroducedintoanexistingsocialorganization,thenewcomermeetsevenmoreseriousaggre