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1、2015新题型套餐练62第I部分7选5专练62【2016福建八县市高三期中联考题】About85percentoftheworldareright-handed.Oftheremaining15percent,mostareleft-handedwithasmallnumber,aboutonein100,beingabletouseeitherhand.Why?36.OldTheories37Evenintheearlymid-20thcentury,naturalleft-handersweretaughttousethe
2、irrighthandanyway.Suchtheorieshavebeendeniedbythescientificcommunity.GeneticsTheleadingtheoriesregardingwhysomepeopleareright-handedorleft-handedhavesomethingtodowithgenetics.Geneticistsbelievethatnaturalselectionandhumanactivitiesovertimehavefavoredthegeneforrighth
3、andedness.Theyattributethedifferencetotwodifferentgenes.TheDgeneproducesright-handedpeoplewiththeCgeneareright-handers,someareleft-handersandsomeareeither.BiologyThebiologicaltheoryreliesonthedifferentabilitiesofdifferentareasofthebrain.__38Othersarguethatsomepeople
4、dousetherightsideforlanguagebutthistheorywouldnwhytherearesofewleft-handers.TheShieldSomehaveputforwardtheideathatleft-handednessrelatestowhereasoldierholdshisshield.Becausetheheartisontheleftsideofthebody,asoldierwhoheldhisshieldwithhislefthandwouldbebetterprotecte
5、d.__39__CreativitySomehaveclaimedthatleft-handersaremorecreativethanright-handers,pointingtoalonglistoffamousleft-handersincludingLeonardoDaVinciandAlbertEinsteinasexamples.__40__Critics,however,pointoutthattherearealsomanyright-handedcreativepeopleandthattherearema
6、nyphotosshowingEinsteindrawingwithhisrighthand.A.Thereisnotenoughevidenceyettoanswerthequestion.B.Becausetheleftsideofthebrainhandleslanguageinmostpeople,mostpeoplewouldberight-handed.C.Ifthisistrue,itmighthelpleadtoanswers.D.Otherspointoutthataccordingtocavepaintin
7、gs,mostwereright-handersbeforehumansstartedusingshields.E.Left-handednessusedtobeseenasasignofbraindamage.F.However,peoplewhosuffersometypeofinjuryorhaveadisabilityinonehandfrequentlylearntousetheother.G.Left-handedpeopletendtobebetteratproblem-solvingskillsandhave
8、largervocabulariesthantheaverage.第II部分语法填空专练62【2016广东执信中学高三第期中试题】Creatinggoodhabitscanbeastoughasbreakingbadhabits.Frommyexperience,oneoft
