外文改编十一选十+专项训练2 高三英语一轮复习+

时文改编十一选十2篇(一)Worn-outcellseventuallystopdividingotherwise

B.worsenC.accumulatingD.eliminatedE.absentceaselesslyG.limitsH.assumedI.RemovalJ.declineK.automaticallyCellsdividemanytimesthroughouttheirlives.Buttheycannotdoit_____1_____.Oncetheyhavereachedthe_____2_____oftheirreproductivepowers,theyenterastatecalled“senescence”,inwhichtheycarryonperformingtheirdutiesbutstopmakingnewcopiesofthemselves.Foryearsitwas_____3_____that,apartfromtheirrefusaltodivide,senescentcellswere_____4_____identicaltotheirreplicatingcompanions.Thereismountingevidence,though,thatthisisuntrue.Onestudyin2016reportedthatsenescentcellsinthekidneysandheartproduceaproteinthatcausesnearbyhealthytissuesto_____5_____.AnotherstudypublishedinNaturethisweek,suggeststheaccumulationofsenescentcellswithinthebrainsofmicecausestheanimalstodevelop

neurodegenerative(神经退化的)diseases—andthatthe_____6_____ofthesecellscanhelppreventthem.Workingwithateamofcolleagues,DrBakerobtainedapopulationofmicethathadbeengeneticallyengineeredtoquicklydevelopfibroustanglesofproteinintheirbrains.Thesetanglesareassociatedwiththe_____7_____inmentalabilitiescausedbydiseaseslikeAlzheimer’s.Whenthemicewerefourmonthsold,DrBakercollectedbraintissuefromsome,andfoundsenescentcells_____8_____inthehippocampus,aseahorse-shapedregionofthebraininvolvedwithlearningandmemory.Bysixmonthsold,theybuiltupinthecerebralcortexaswell—aswerethetanglesthatareassociatedwithneurologicaldegeneration.Toseewhatrole,ifany,senescentcellswereplayingintheirdecreasingbrainpower,DrBakergeneticallyalteredsomemicesothattheirsenescentcellscouldbe_____9_____withatwice-weeklydoseofaspecificchemical.Thatleftasubgroupofmicethatstillgeneticallytended

todevelopneurologicaldiseases,butwhichalsohadtheirbrainsclearedofsenescentcells.Bythetimethesemicereachedsixmonthsold,thetangleswerealmostentirely_____10_____.Whenthemicewerepresentedwithobjectstheyhadencounteredbefore,theyapproachedthemwithouthesitation,ashealthymiceshould.Incontrast,micewhosebrainswerefullofsenescentcellsapproachedtheobjectscautiously,asiftheyhadneverseenthembefore.【答案】FGHABIJCDE【解析】根据句意，缺副词，细胞在一生中分裂多次，但是他们不可能无休止地分裂。因此选F。此空填名词，一旦它们达到繁殖能力的极限，选G。考察动词，多年来人们一直认为、猜想，因此选H。考察副词修饰形容词，衰老细胞与它们的复制同伴相同。选A。考察动词，2016年的一项研究报告称，肾脏和心脏中的衰老细胞产生一种蛋白质，导致附近的健康组织受损。因此填B。考察名词，本周发表在《自然》的另一个研究建议在老鼠的大脑衰老细胞的积累会导致动物发展神经退行性(神经退化的)，而移除这些细胞可以帮助阻止他们。因此填I。考察名词，这些缠结与阿尔茨海默氏症等疾病导致的智力低下有关。下降，减少，选J。考察动词，当这些老鼠四个月大的时候，贝克博士从一些老鼠身上收集了脑组织，并在海马体内发现了衰老细胞聚集在其中。选C。考察动词，贝克博士对一些老鼠进行了基因改造，使它们的衰老细胞每周服用两次特定的化学药品就可以消除衰老。填D。考察形容词，当这些老鼠长到六个月大时，它们身上的缠结几乎完全脱落了。填E。(二)mastersB.unpredictableC.globalizationD.switchedE.halvedF.vanishesG.justH.resignI.necessarilyJ.planningK.appearsChangingcareersisdifficult,lonely,dauntingandexpensive.Ishouldknow:afteradecadeinadvertising,I___1___tojournalisminmymidthirties,whichnotonlymeantstartingatthebottom(oneeditorhelpfullypointedoutthatIwas“theoldestinternever”)butalso

___2___mypay.Ittookmefouryearstocatchup.Ipressedonbecauseitwastherightmove,anditworkedout.Butthereisalwaysanigglingworryatthebackofmymind:whathappensifmyjob___3___?Ihopeandtrustitwillnot,butnewsorganizations,likemanysectors,areinastateofconstantdisruption.ShouldIworkonaback-upplan?Moreofusmustbedoing___4__that.IntheUK,officialdatashowweareincreasinglylikelyto___5__voluntarily.AsurveybyInvestecfoundmorethanhalfofBritswere___6__tochangecareerinthenextfiveyears.IntheUS,accordingtoastudybyLinkedIn,youngworkersnowswitchjobs,thoughnot___7__careers,fourtimesintheirfirst10yearsaftergraduation.Thankstoautomationandtheforcesof__8___,workinglifeisimpermanentand___9__,andwillonlybecomemoreso.Thatisdaunting,butitisalsoliberating.Weareincreasinglywillingtotakecontrol.Fortoday’sbusinesseducationgraduates,especiallythoseonbroad-based,multidisciplinaryprogrammessuchas__10___inmanagement,nowmightbethemostexhilaratingperiodindecadesinwhichtostartacareer.【答案】DEFGHJICBA【解析】考察动词，在做了10年的广告之后，我在35岁左右开始转向从事新闻工作，因此选D。考察动词，这不仅意味着要从底层做起(一位编辑好心地指出，我是“有史以来年龄最大的实习生”)，还意味着要削减我的工资。选E。考察动词，但是在我的脑海里总是有一个恼人的担忧:如果我的工作失败了怎么办?选F