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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,scientistsareincreasinglylearningthatagingandbiologicalagearetwodi
2、fferentthings,andthattheformerisakeyriskfactorforconditionssuchasheartdisease,cancerandmanymore.Inthatlight,agingitselfmightbeseenassomethingtreatable,thewayyouwouldtreathighbloodpressureoravitamindeficiency(不足).BiophysicistAlexZhavoronkovbelievesthatagingshouldbeconsi
3、deredadisease.Hesaidthatdescribingagingasadiseasecreatesincentives(动机)todeveloptreatments.“Ituntiesthehandsofthepharmaceutical(制药的)industrysothattheycanbegintreatingthediseaseandnotjustthesideeffects,”hesaid.“Rightnow,peoplethinkofagingasnaturalandsomethingyoucan’tcont
4、rol,”hesaid.“Inacademiccircles,peopletakeagingresearchasjustaninterestareawheretheycantrytodevelopinterventions(介入,参与).Themedicalcommunityalsotakesagingforgranted,andcandonothingaboutitexceptkeeppeoplewithinacertainhealthrange.”Butifagingwererecognizedasadisease,hesaid
5、,“Itwouldattractfundingandchangethewaywedohealthcare.Whatmattersisunderstandthatagingiscurable.”“Itwasalwaysknownthatthebodyaccumulatesdamage,”headded.“Theonlywaytocureagingistofindwaystorepairthatdamage.Ithinkofitaspreventivemedicineforage-relatedconditions.”LeonardHa
6、yflick,aprofessorattheUniversityofCalifornia,SanFrancisco,saidtheideathatagingcanbecuredimpliesthehumanlifespancanbeincreased,whichsomeresearcherssuggestispossible.Hayflickisnotamongthem.“There’remanypeoplewhorecoverfromcancer,stroke,orheartdisease.Buttheycontinuetoage
7、,becauseagingisseparatefromtheirdisease,”Hayflicksaid.“Evenifthosecausesofdeathwereremoved,lifeexpectancywouldstillnotgomuchbeyond92years.”1.Whatdopeoplegenerallybelieveaboutaging?A.Itshouldcausenoalarmwhatsoever.B.Theyjustcannotdoanythingaboutit.C.Itshouldberegardedas
8、akindofdisease.D.Theycandelayitwithadvancesinscience.2.WhatdoesAlexZhavoronkovthinkof“describingagingasadisease”?A.It