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1、XX年硕士研宄生入学考试英语命题预测试卷（一）及答案SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s:foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1.(lOpoints)Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,thestudyofanimalsocialbehavior.Earlierscientistshad
2、lthatnonhumansociallifewasalmosttotallyinstinctiveorfixedbygenetics.Muchmorecarefulobservationhasshownthat2variationoccursamongthesocialtiesofmostspecies,showingthatlearningisapartofsoctis,the3arenotsolelyfixedbythegenes.4,thelageinaprocengisclearlyhelearningotwo.Anillu
3、searningthatssthatiscal5instinctivfhumans:itioccursisoftledimprintie,butitisnossomethingitrationbestiallife.Thaenatanearlyng.Imprintitquiteliketnbetweenthe6thenatureofimprinting.Once,biologiststhoughtthatducklingsfollowedowweknowthaanyobjectabhfollowit.Sbriefcaseifewhen
4、imprinnsiderablylsellbygenetEvenaimprintinglle，biologisotherspurele/zthatbeesdnofapollensdinisolatiotahigherleveforanall-pecificresponstance,genallreportstdownorl5faitthesefemalthemotherdut,shortly7toutthesizeooducklingsmtheseare9fotingoccurs.0,evenonestics.mongthesoci2
5、influencestsoncethougyl3instinctotoindicateource,obserncouldnotcoel,thegeneturposelearnnsesofimprierallyl4verhatsomechimltonurturetesweretheyockbecauseofheyhatch,dufaduckandwiayfollowabarthemotherdThus,socialhathaveaconalinsectssoocialbehavihtbeescommu.But,inexamthedist
6、anceversfoundthmmunicateeficbaseseemsingratherthnting.Chimpygoodmotherpscarrytheiheyoung.Sheungestortheinstincts.Ncklingsfix8llhencefortsketballorauckatthetimtiescanbecosiderablebamethinglikeor.Forexampnicatedwithininga/zdancanddirectioatbeesraisefectively.Atobemuchmora
7、nthemorespanzees,foributJaneGoodnfantupsidebelievestha.16childofamother.Insuchcircumstances,theydidnothavetheopportunitytoobservehowtheirownmotherl7forheryoung.Certainlyadolescentchimpswhoarestillwiththeirmotherswhenotheryoungareborntakemuchinterestintherearingoftheiryo
8、ungbrotherorsister.Theyhaveanexcellentopportunitytolearn,andthesocialtiesthatarecreatedbetweenmotherandyoungl8
