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1、2021年高考英语一轮复习讲练测第21讲必修4Unit4——测时间：45分钟分值：100分Ⅰ.阅读理解(每小题2分，共16分)A【2020届广东深圳高三适应性考试】Aginghappenstoallofus,andiswidelythoughtofasanaturalpartoflife.Itwouldseemsillytocallsuchathinga“disease.”Ontheotherhand,scientistsareincreasinglylearningthatagingandbiologicala
2、gearetwodifferentthings,andthattheformerisakeyriskfactorforconditionssuchasheartdisease,cancerandmanymore.Inthatlight,agingitselfmightbeseenassomethingtreatable,thewayyouwouldtreathighbloodpressureoravitamindeficiency(不足).BiophysicistAlexZhavoronkovbelievesth
3、atagingshouldbeconsideredadisease.Hesaidthatdescribingagingasadiseasecreatesincentives(动机)todeveloptreatments.“Ituntiesthehandsofthepharmaceutical(制药的)industrysothattheycanbegintreatingthediseaseandnotjustthesideeffects,”hesaid.“Rightnow,peoplethinkofagingasn
4、aturalandsomethingyoucan’tcontrol,”hesaid.“Inacademiccircles,peopletakeagingresearchasjustaninterestareawheretheycantrytodevelopinterventions（介入，参与）.Themedicalcommunityalsotakesagingforgranted,andcandonothingaboutitexceptkeeppeoplewithinacertainhealthrange.”B
5、utifagingwererecognizedasadisease,hesaid,“Itwouldattractfundingandchangethewaywedohealthcare.Whatmattersisunderstandthatagingiscurable.”“Itwasalwaysknownthatthebodyaccumulatesdamage,”headded.“Theonlywaytocureagingistofindwaystorepairthatdamage.Ithinkofitaspre
6、ventivemedicineforage-relatedconditions.”LeonardHayflick,aprofessorattheUniversityofCalifornia,SanFrancisco,saidtheideathatagingcanbecuredimpliesthehumanlifespancanbeincreased,whichsomeresearcherssuggestispossible.Hayflickisnotamongthem.“There’remanypeoplewho
7、recoverfromcancer,stroke,orheartdisease.Buttheycontinuetoage,becauseagingisseparatefromtheirdisease,”Hayflicksaid.“Evenifthosecausesofdeathwereremoved,lifeexpectancywouldstillnotgomuchbeyond92years.”1．Whatdopeoplegenerallybelieveaboutaging?A．Itshouldcausenoal
8、armwhatsoever.B．Theyjustcannotdoanythingaboutit.C．Itshouldberegardedasakindofdisease.D．Theycandelayitwithadvancesinscience.2．WhatdoesAlexZhavoronkovthinkof“describingagingasadisease”?A．It
