高考英语外刊阅读天天练综合训练二十九

高考英语外刊阅读天天练综合训练二十九I阅读理解Fightingclimatechangebycloningtrees【USAToday(April15,2024)】It’sbeenstruckbylightningatleastthreetimesandhassurvivedmultiplehurricanes.“BigTree,”animposingsouthernliveoak,sitsinanunassumingparkjustoutsideOrlando’sbusinessdistrict.Over400yearsold,thetreeissoimpressivethatmembersofaMichigan-basednonprofitflewtoOrlandoinFebruarytoclimbandsampleit.Thearboristsarenowinthemidstofamonthslongprocesstogrownewrootsthefromtheclippings.Thereason:Toclonethehistorictree,storeitsDNAandplantpotentiallythousandsofreplicasacrosstheSoutheast.Inordertocloneanancienttree,onemustclimbit.Helmetedresearchershoistingthemselvesupthetrunkofacolossalredwoodorsequoiainordertofindapieceoflivetissue.Thefreshlycutlimbsandleavesaretakentothegroup’slabinMichigan,wherepropagatorsworktospurgrowthfromthesamples.Themostcommonmethodisbyrootedcuttings,whichhaslongbeenusedbyhorticulturists.Inthismethod,atipofatree’sbranchisdippedintohormones,placedintoafoamplugandsetinsideamistchamber.Then,thewaitingbegins.Asignoflifecouldtakemonthstoayear,ifonecomesatall.Inanothermethodcalledtissueculture,propagatorstakeaquarter-inchofstem,dripitinaliquidmadeupofadozenhormonesandotherchemicals,sealitinanairtightcontainerandwaituntilitgrowsroots.Witheachnewtree,thegrouptrieshundredsofcombinations.Theexpertschangethehormones,adjustthetemperatureofthetestroomandvarytheamountofwaterbeingsprayedonthesamples.About90%willfail.However,thosethatformnewrootsaresubsequentlycloned.Becausethey’reyoung,theirsuccessrateismuchhigherthanthatofsamplesfromtheoriginaltree.Expertslaudedthegroupforitsinnovativemethodsandlarge-scalepropagation,buttheycastdoubtontheassumptionunderlyingthenonprofit’swork:Thatthecloneswillprosperastheoriginalshave.ScottMerkle,aprofessorofforestbiologyattheUniversityofGeorgia,saidtherearemanyfactorsthatcontributetoatree’sageinadditiontogenetics:thesiteit’ssittingon,what’sinteractingwithitinthesoil,thesurroundingenvironmentandluck.“There’ssomanyvariablesthatthere’scertainlynoguaranteethattheywillbeabletosurviveandperformbetterthanothertreesthatyoumightputoutonthelandscape,”Merklesaid.Headdedthatthesheerageofhistorictreesmakesthemdifficulttostudy:“There’snorealwaytotestthesehypothesesinourlifetimes.Ithinkit’sagreatthingthatthey’redoing.Ijustdon’tknowhowrealisticitis.”1.whichofthefollowingwordscanbestreplacetheunderlinedone“replica”inparagraphone?A.reproductionB.versionC.portrayalD.equal2.Whatdoeshorticulturistsusuallydotospurgrowthfromthesamples?A.theyclimbthetrunkofatreeandfindapieceoflivetissueB.theymakeuseofastemandaliquidfullofvarioushormonesC.theyapplyhormonesonthetipofatree’sbranchandwaitD.theyplantthesamplesinanairtightcontainer3.WhatcanwelearnfromcommentsfromScottMerkle?A.thecloneswilldefinitelythriveastheoriginaloldtreesdoB.itisthetree’sgeneticsthatdecidethelongevityofanoldtreeC.propagatorscanguaranteethesurvivaloftheclonetreesbyadaptingvariablesD.itishardforonegenerationtotesttheperformanceoftheclonetrees4.whatdoesthepassagemainlytalkabout?A.expertstostoreoldtree’sDNAbycloningB.expertstoinventnewwaystoprotecthistorictreesC.expertstoariseintensivedebatesonenvironmentalprotectionD.expertstopromotenewspeciesbycloningII完形填空Amomentthatchangedme:Paralysedbyafall,Icrossed100milesofsnowandice【TheGuardian(April17,2024)】Theviewfromthetopwasbreathtaking.Itwas2023andIhadjustclimbedtheHvannadalsPeakinIceland,almostsevenyearsafterbecoming___1_____fromthechestdownafteraclimbingfall.MytwoteammatesandIwereonourwaytobecomingthefirstall-disabledteamtoCrossEurope'slargesticecap,unsupportedand____2____.FromourstartpointatthewesternedgeoftheVatnajokull,wefaceda__3____,hostilelandscape.Wewouldneedto___4____throughstorm-forcewindsandworkasateamtoovercomethe__5____ofourspinalcordinjuries.Thiswasgoingtobethe___6___challengeofmylife.Theplanwasto___7___fromtheBaseoftheicecaptoitshighestpoint,theHvannadalsPeak.___8____together,westartedtowardthefrozenhorizon,draggingtwosledgesladenwithgearbehindus.Just10minutesintoourjourney,Iwasalreadybeginningtofeelthe___9___onmyshouldersandarmsasIusedmyupperbodyto__10___mysit-skiupthesteadyincline.The__11___ofourgearwasaconstantformofresistanceasitdraggedstubbornlythroughthesnowbehindus.After11___12___days,andcountlessfalls,slipsandsetbacks,ourteamofthree____13___theeasternedgeoftheVatnajokullglacier.Wehaddefiedtheodds,transcendedourphysicallimitationsandemergedvictorious.Irealisedthatthisjourneywasaboutembracingthepowerofresilience,findingstrengthintoughmomentsanddiscoveringthatIwasjustas__14____asIalwayshadbeen.NolongerdidIconsidermyselfdisabledorinjured,because,ifIcouldreachthe__15___ofaremoteicecap,Icouldovercomethefrustrationsandsetbacksofday-to-daylifewithresilienceandtenacity.1.A.survivedB.enabledC.paralysedD.repeated2.A.unfoldedB.unassistedC.undoneD.unwrapped3.A.fantasticB.frozenC.wateryD.rolling4.A.battleB.breatheC.flipD.leaf5.A.resistanceB.prospectsC.limitsD.obstacles6.A.widestB.toughestC.ablestD.laziest7.A.proceedB.exceedC.accessD.ascend8.A.BaggedB.RopedC.LicensedD.Housed9.A.stressB.strainC.serviceD.weight10.A.propelB.stretchC.crushD.press11.A.weightB.creditC.authorityD.strike12.A.dynamicB.arduousC.aggressiveD.vigorous13.A.shoulderedB.resoundedC.approachedD.reflected14.A.qualifiedB.suitableC.capableD.competent15.A.summitB.climaxC.landmarkD.crownIII.语法填空FireengulfsCopenhagen'shistoricstockexchangeincity's'NotreDamemoment'【TheGuardian(April17,2024)】FirefightersatCopenhagen'shistoricformerstockexchangewereyesterdaybattingahugeblazethathadengulfedthe17th-centurybuilding'sroof,toppleditsdistinctivespire__1___threatenedoneofDenmark'smostvaluableartcollections.Dramaticfootageshowedhugeplumesofblacksmoke____2___(rise)fromtheDutchRenaissance-stylebuilding,___3___wasundergoingrenovationandcladinscaffolding.Policesaidthey___4____(block)offamainroadandpartofthecitycentre.Copenhagen'sfireservicesaidtheblazewasreportedat7.30am.The__5_____(extend)scaffoldingaroundthebuildingwasmaking___6__significantlyhardertotackletheflames,itsaid,whiletheBorsen'scopperroofwastrappingtheheat.Partsoftheroofhadcollapsedandthefirehadspreadtoseveralfloorshe