時(shí)文改編十一選十2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(神經(jīng)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】根據(jù)句意，缺副詞，細(xì)胞在一生中分裂多次，但是他們不可能無(wú)休止地分裂。因此選F。此空填名詞，一旦它們達(dá)到繁殖能力的極限，選G?？疾靹?dòng)詞，多年來(lái)人們一直認(rèn)為、猜想，因此選H?？疾旄痹~修飾形容詞，衰老細(xì)胞與它們的復(fù)制同伴相同。選A?？疾靹?dòng)詞，2016年的一項(xiàng)研究報(bào)告稱，腎臟和心臟中的衰老細(xì)胞產(chǎn)生一種蛋白質(zhì)，導(dǎo)致附近的健康組織受損。因此填B?？疾烀~，本周發(fā)表在《自然》的另一個(gè)研究建議在老鼠的大腦衰老細(xì)胞的積累會(huì)導(dǎo)致動(dòng)物發(fā)展神經(jīng)退行性(神經(jīng)退化的)，而移除這些細(xì)胞可以幫助阻止他們。因此填I(lǐng)。考察名詞，這些纏結(jié)與阿爾茨海默氏癥等疾病導(dǎo)致的智力低下有關(guān)。下降，減少，選J。考察動(dòng)詞，當(dāng)這些老鼠四個(gè)月大的時(shí)候，貝克博士從一些老鼠身上收集了腦組織，并在海馬體內(nèi)發(fā)現(xiàn)了衰老細(xì)胞聚集在其中。選C?？疾靹?dòng)詞，貝克博士對(duì)一些老鼠進(jìn)行了基因改造，使它們的衰老細(xì)胞每周服用兩次特定的化學(xué)藥品就可以消除衰老。填D?？疾煨稳菰~，當(dāng)這些老鼠長(zhǎng)到六個(gè)月大時(shí)，它們身上的纏結(jié)幾乎完全脫落了。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】考察動(dòng)詞，在做了10年的廣告之后，我在35歲左右開(kāi)始轉(zhuǎn)向從事新聞工作，因此選D。考察動(dòng)詞，這不僅意味著要從底層做起(一位編輯好心地指出，我是“有史以來(lái)年齡最大的實(shí)習(xí)生”)，還意味著要削減我的工資。選E。考察動(dòng)詞，但是在我的腦海里總是有一個(gè)惱人的擔(dān)憂:如果我的工作失敗了怎么辦?選F