山東省泰安市2025屆高三一模英語試題注意事項：1.答卷前，考生務(wù)必將自己的姓名、準考證號填寫在答題卡上。2.回答選擇題時，選出每小題答案后，用鉛筆把答題卡上對應(yīng)題目的答案標號涂黑。如需改動，用橡皮擦干凈后，再選涂其他答案標號。回答非選擇題時，將答案寫在答題卡上，寫在本試卷上無效。3.考試結(jié)束后，將本試卷和答題卡一并收回。第一部分聽力（共兩節(jié)，滿分30分）第一節(jié)（共5小題：每小題1.5分，滿分7.5分）聽下面5段對話。每段對話后有一個小題，從題中所給的A、B、C三個選項中選出最佳選項。聽完每段對話后，你都有10秒鐘的時間來回答有關(guān)小題和閱讀下一小題。每段對話僅讀一遍。1.Whydoesthewomantalktotheman?A.Toaskaboutadivingprogram.B.Toseekforexpertassistance.C.Toinvitethemantodive.2.Whatisdifficultforthewoman?A.ToexpandEnglishvocabulary.B.ToimproveEnglishpronunciation.C.TouseEnglishAppsproficiently.3.Wheredoestheconversationtakeplace?A.Atastore.B.Athome.C.Atarestaurant.4.Whatistherelationshipbetweenthespeakers?A.Teacherandstudent.B.Colleagues.C.Classmates.5.Whatarethespeakersmainlytalkingabout?A.Amusicfestival.B.Atraditionalopera.C.Afamouscomposer.第二節(jié)（共15小題；每小題1.5分，滿分22.5分）聽下面5段對話或獨白。每段對話或獨白后有幾個小題，從題中所給的A、B、C三個選項中選出最佳選項。聽每段對話或獨自前，你將有時間閱讀各個小題，每小題5秒鐘；聽完后，各小題將給出5秒鐘的作答時間。每段對話或獨自讀兩遍。聽第6段材料，回答第6、7題。6.Whatisthewomansatisfiedwithaboutherwork?A.Thehighsalary.B.Thecloseteamwork.C.Thecomfortableofficeenvironment.7.HowdoesEricfeelrecently?A.Stressed.B.Relaxed.C.Confident.聽第7段材料，回答第8、9題。8Whathappenedinthecave?A.Aworkergotinjured.B.Avisitordroppedsomefood.C.Oneofthecaveswasprohibited.9.Whatweretheparkmanagersworriedabout?A.Itwouldtakemuchtimetocleanupwastes.B.Therewasathreattothecave'secosystem.C.Theweatherwasgettinghotter.聽第8段材料，回答第10至12題。10.WhatmakesthemansurprisedattheteainChina?A.Itsancienthistory.B.Itsgreatartisticvalues.C.Itsdeepinvolvementindailyconversation.11.Whatareparticipantsallowedtododuringthetours?A.Helpsellteaatashop.B.Holdanimportantteaceremony.C.Recognizethedifferenttypesoftea.12.Howmuchshouldonepayfortheclassifhebringsafriend?A.￥540.B.￥570.C.￥600.聽第9段材料，回答第13至16題。13.Whatisthemoviebasedon?AAbook.B.Atruestory.C.Alegendaboutanimals.14.WhatdoweknowaboutRoz?A.Shereceivesaspecialtreatfromanimals.B.Shelosesherfamilyinaseaaccident.C.Shehelpsanimalsoutofdifficulties.15.Whatisathemeofthemovie?A.Takingadventures.B.Acceptingchanges.C.Havingbigdreams.16.Whenwillthemoviebeonatcinemas?A.OnSeptember10th.B.OnSeptember17th.C.OnSeptember27th.聽第10段材料，回答第17至20題。17.Whatisthespeakerdoing?A.Deliveringaspeech.B.Givingsomeadvice.C.Hostingaprogram.18.Howoldisthespeaker?A.24yearsold.B.27yearsold.C.34yearsold.19.Whathelpedthespeakerfeelbetterafterlosinghissight?A.Receivingfavorablehospitaltreatment.B.Gainingstrongsupportfromothers.C.Learningamusicalinstrument.20.Whatcanwelearnfromthespeaker?A.Hesetagoodexampleoffacingdifficulties.B.Hehadfaithingettingfullrecoveryfromhissight.C.Heattendedaperformanceasaprofessionalpianist.第二部分閱讀（共兩節(jié)，滿分50分）第一節(jié)（共15小題；每小題2.5分，滿分37.5分）閱讀下列短文，從每題所給的A、B、C、D四個選項中選出最佳選項。AInternationalEnvironmentalVolunteerProgramsforTeensEngaginginenvironmentalprotectionasateenagercanbebothmeaningfulandeducational,offeringtransformativeexperiencesthatshapefutureleaderswitheco-awareness.Hereareseveralinternationalvolunteerprogramsdesignedspecificallyforyouthsaged13-19:WWFGlobalYouthVolunteerProgramOrganizedbytheWorldWideFundforNature(WWF),thisprograminvitesteenstojoinprojectsliketreeplanting,beachcleanups,andwildlifeconservationincountriessuchasKenyaandIndonesia.Participantsaged14-18canapplyfor2-4-weeksummersessions,gaininghands-onexperienceinsustainability.UNICEF’sClimateActionWarriorsThisonline-offlinehybridinitiativefocusesonraisingawarenessaboutclimatechange.Teensaged15-19designlocalcampaigns,organizeworkshops,andshareeco-friendlysolutionsonsocialmedia.Flexibleschedulesmakeitidealforstudentsbalancingschoolwork.GreenpeaceYouthforthePlanetTeensaged16-20cooperatewithGreenpeaceteamsworldwidetotackleissueslikeplasticpollution.Activitiesincludecoastalcleanups,datacollectionformarineresearch,andcreatingenvironmentalart.Short-termprojects(1-3weeks)areavailableduringschoolbreaks.Roots&ShootsEco-LeadershipFoundedbyDr.JaneGoodall,thisprogramauthorizesteensaged13-18toleadlocalprojects,suchasbuildingcommunitygardensorrecyclingdrives.Annualcompetitionsrecognizeoutstandingcontributions,strengtheningteamworkandleadershipskills.Theseprogramsnotonlybenefittheplanetbutalsohelpteensdevelopglobalperspectivesandpracticalskills.Interestedapplicantsshouldreviewrequirementsonofficialwebsites3-6monthsbeforeprogramdates.1.Whichprogramcanavolunteeraged13participatein?A.WWFGlobalYouthVolunteerProgram.B.UNICEF’sClimateActionWarriors.C.GreenpeaceYouthforthePlanet.D.Roots&ShootsEco-Leadership.2.WhatcanbeknownabouttheGreenpeaceYouthforthePlanetprogram?A.Itisdesignedforthosewithpriorresearchexperience.B.Itencouragescreativeapproachestoenvironmentalissues.C.Itisinconvenienttobalanceschoolworkandvolunteeractivities.D.Itcontributestogainingcompetitionexperienceinthesummerholiday.3.Whatistheprimarypurposeofallthevolunteerprograms?A.Toproviderecreationalactivitiesforteenagers.B.Toprepareteensforacademicresearchinecology.C.Topromoteinternationaltravelopportunitiesforstudents.D.Todevelopteens’environmentalawarenessandleadershipskills.BLastsummer,17-year-oldLiMeifromChengdusteppedofftheplaneinParis,carryingherbelovederhu-atraditionalChinesetwo-stringedinstrumentthatwaspasseddownfromhergrandmother.Aspartofayouthculturalexchangeprogram,shehaddreamedofthismomentforyears,yettheweightofrepresentingherheritageinaforeignlandleftherpalmssweaty.Littledidsheknowthatthistripwouldsparkanextraordinarymusicalcreation.Duringaworkshopatalocalartschool,LimetPierre,aFrenchviolinistwhowasfascinatedbyherinstrument’sattractivesound.“It’slikethevoiceofancientChina,”heremarkedwithexcitement,gentlyplucking(撥)theerhu’sstrings.Inspiredbyeachother’smusic,theydecidedtomixthesoulfulmelodiesoftheerhuwiththedynamicrangeoftheviolinforaperformanceattheupcomingBastilleDaycelebration.AstheypracticedinasunlitstudiooverlookingtheSeine,LitaughtPierrehowtoimitateraindropswithquickbowmovementsontheerhu,whilePierreshowedherhowtoweaveWesternharmoniesintotheChinesefolktune“JasmineFlower.”Theintegrationcreatedacharmingsoundscapethatneitherhadimaginedpossible.Ontheperformancenight,theirpiece“SilkRoadEchoes”receivedthunderousapplause.Theaudiencewereamazedathowtheerhu’ssadtonesdancedwiththeviolin’svigorousmelodies(旋律).Whatbeganasasummerexperimentblossomedintolastingfriendshipandsomethingfargreater.Today,LiandPierreco-teachvirtualmusicclasses,connectingstudentsinChengduandI.yonthroughweekly“globaljamsessions.”TheirstudentscooperateonpiecesthatmixerhuwithguitarorPekingoperawithjazz.Lioftentellsherpupils,“Musichasnoborders;it’salanguagethatturnsdifferencesintoharmonies.”Whentraditionsmeetwithopenhearts,theydon’tconflict;theycomposesomethingentirelynew.4.WhydidLiMeibringhererhutoParis?A.ToshareChinesemusicculture. B.Togiveittoherfriendasapresent.C.Todisplayitatalocalstudio. D.Toteachstudentsfull-time.5.WhatcontributedtothelastingcooperationofLiMeiandPierre?A.TheircommonanddeeplovefortraditionalChinesemusic.B.Theirsuccessfulperformanceandinspirationfromeachother’smusic.C.TheopportunitytoparticipateintheBastilleDaycelebrationtogether.D.Thedesiretoteachmusicinavirtualwaytostudentsaroundtheworld.6.Whywas“SilkRoadEchoes”wellreceivedbytheaudience?A.Itreflectedthebeautyofnaturewonderfully.B.ItfeaturedtraditionalChinesefolkperformance.C.Itwasamusicalhandshakebetweencivilizations.D.Itwasanexcellentmusicalinstrumentexhibition.7.Whatdoesthestorymainlyconvey?A.Musicisthesourceoflastingfriendship.B.Masteringaninstrumentrequirespractice.C.Traditionalmusicresistsmoderninfluences.D.Cooperationacrossculturesgeneratesinnovation.CNowadays,socialmediaiswidelyusedbymillionsofpeopletoconnectandsharetheirlives.However,researchsuggeststhatexcessive(過度)useofsocialmediamayleadtomentalhealthissueslikedepressionandanxiety.Onebehaviorthatresearchershavefocusedonrecentlyisphotoediting,whichinvolvesalteringone'sappearanceinpicturesbeforepostingthemonsocialmedia.Whilesomestudieshavesuggestedthatphotoeditingislinkedtonegativeoutcomessuchasseeingoneselfasanobjectandhavinglowself-esteem,therelationshipbetweenthesefactorsisnotwellunderstood.PhillipOzimekandhiscolleaguesconductedastudywith403youngadultsrecruitedthroughsocialmediaplatformstoinvestigatethepotentialrisksassociatedwithphotoeditingonsocialmedia.Participantscompletedanonlinesurveythatincludedquestionsabouttheirsocialmediause,photoeditingbehavior,self-perceptionasanobject,comparisonsofphysicalappearance,self-esteem(自尊),andotherrelevantfactors.Tomeasurephotoeditingbehavior,participantsreportedhowoftentheyeditedtheirselfiesbeforepostingthemonsocialmedia.Toassessself-perceptionasanobjectandcomparisonsofphysicalappearance,participantsansweredquestionsabouthowmuchtheymonitoredtheirbodiesandcomparedthemselvestoothers'looks.Finally,participants'self-esteemwasmeasuredusingaquestionnairethatevaluatedtheiroverallsenseofself-worth.Thedatashowedthathigherlevelsofphotoeditingwereassociatedwithincreasedself-perceptionasanobjectandmorecomparisonsofphysicalappearanceamongyoungadults.Thesefactors,inturn,wererelatedtolowerself-esteem.Theresearcherssuggestedthatphotoeditingbehaviormaycontributetofeelingsofself-perceptionasanobjectandbasingone'sworthonappearance,especiallyamongvulnerablegroupsliketeenagers.Theyemphasizedtheneedforfurtherresearchtoexploretheimpactofphotoeditingonmentalhealthoutcomesandunderstandwhypeopleengageinthisbehavior.Althoughthestudyhadsomelimitations,asacknowledgedbyOzimekandhiscolleagueshighlightedtheimportanceofconsideringoverallsocialmediauseandspecificbehaviorslikephotoeditingwhenstudyingtherelationshipbetweensocialmediaandmentalhealthoutcomes.Interventions(干預(yù))aimedatreducingexcessivesocialmediauseorpromotinghealthierengagementwithsocialmediacouldhavepositiveeffectsonthementalwell-beingofyoungpeople.8.Whatweretheparticipantsaskedtodointhestudy?A.Fillinaquestionnaireaboutself-worth.B.Comparetheirlookswithothers.C.Edittheirselfiesbeforeposting.D.Seethemselvesasanobject.9.Whatdoestheword“vulnerable”inparagraph6mean?A.Hardlyprotected. B.Particularlystrong.C.Easilyinfluenced. D.Mostlyindependent.10.Fromthepassage,whatcanweinfer?A.Thehigherlevelsofphotoediting,thehigherself-esteem.B.Reducingtheoveruseofsocialmediamightbebeneficialtowell-being.C.Photoeditingistheonlybehaviorthataffectsmentalhealthonsocialmedia.D.Thestudyhascompletelyworkedouttheproblemoftheoveruseofsocialmedia.11.Whatisthepurposeofthispassage?A.Tointroducethepopularityofsocialmedia.BToexplainthedetailedprocessofastudyonphotoediting.C.Toshowteenagersarethemostvulnerablegroupinusingsocialmedia.D.Toexploretherelationshipbetweenphotoeditingandnegativementalstates.DThebrainsoflonelyindividualsrespondtovideostimuli(刺激)inuniquewaysdissimilarfromtheirpeers(同齡人),whilethebrainsoflesslonelypeoplerespondsimilarlytoothers’,suggestingthatlonelyindividualsmayprocesstheworlddifferently,whichcouldworsenorevenleadtotheirloneliness.ElisaBaekledtheinvestigationwhenshewasapostdoctoralfellowatUCLA.Sheandhercolleaguesusedfunctionalmagneticresonanceimaging(fMRI)(功能性磁共振成像)torecordthebrainsof66collegestudentsastheywatchedacollectionof14shortvideosduringa90-minutesession.Thevideosincludedsparklesfromsportingevents,footagefromdocumentaries,andemotionalillustrationsofhumanlife.Aftergoingthroughthelengthyscans,thestudentssubsequentlycompletedanextensivequestionnaireintendedtomeasurehowlonelytheyfelt.Backandherco-authorsdividedthestudentsinto“l(fā)onely”and“nonlonely”groups,determinedbytheirscoresfromthesurvey.Theythenconductedathoroughstatisticalanalysisinwhicheachindividual’sbrainimagingresultswerecomparedtoeveryotherindividual’s.Theyfoundthatthelonelierapersonwas,themoredistincttheirbrainimagingresultswerecomparedtothoseoftheothervolunteers.Theresultsheldevenwhencontrollingforthenumberoffriendseachparticipantreported,reconfirmingpriorresearchshowingthatanyonecanbelonelyregardlessoftheirsocialconnections.“Thesefindingsraisethepossibilitythatbeingsurroundedmostlybypeoplewhoviewtheworlddifferentlyfromoneselfmaybeariskfactorforloneliness(evenifonesocialisesregularlywiththem),”theresearcherswrote.Thiscouldfactorintowhypeopletendtosilo(封閉)themselveswithinfriendgroupsandcommunitieswhichsharetheirviews,anearuniversaltrendthatplaysoutinouronlinelivesaswell,ofteninamoreextrememanner.Akeyquestionleftunresolvediswhethertheuniquebrainprocessingobservedinlonelyindividualsisacauseoraneffectoftheirfeelingsofdisconnection.Along-termstudyinwhichparticipantscomeintothelabforrepeatedscansovermonthsorevenyearscouldprovideananswer.12.Whatcanwelearnaboutlonelypeoplefromtheinvestigation?A.Theygetalongwellwiththeirpeers.B.Theyperceivetheworlddifferently.C.Theyseekdiversityinsocialinteractions.D.Theyprocessinformationwithgreataccuracy.13.Howweretheparticipantscategorized?A.Bytheirquestionnairescores. B.Bytheirsocialperformances.C.Bythenumberoftheirfriends. D.Bytheresultsoftheirbrainimaging.14.Whoofthefollowingismorelikelytosufferloneliness?A.Allenwhohasfewonlinefriends. B.Brucewhowalksinnaturehabitually.C.Cindywhowatchesshortvideoseveryday. D.Daisywhohardlysharesherfriends’views.15.Whatwillfuturestudiesfocuson?A.Thedownsideofsocialdisconnection.B.Thefeelingsoflonelyandlesslonelyindividuals.C.Theconnectionbetweenbrainprocessingandloneliness.DTheinfluenceofvariousworldviewsonlonelyindividuals.第二節(jié)（共5小題；每小題2.5分，滿分12.5分）閱讀下面短文，從短文后的選項中選出可以填入空白處的最佳選項。選項中有兩項為多余選項。Whenyoutendtotalktoomuch,peopleundervaluewhatitisthatyoubringtothetable,whichmeansbeingtootalkativecanleadtoissueswithsocializingandmakingfriends.Buthowtobelesstalkative?___16___.Whentheotherpersonsuggeststhattheywanttotalk,dosomethingtoshowthattheyhaveyourfull,undividedattention.Closethebookyou'rereadingorputdownyourphoneandfaceyourbodytowardsthemwithopenarmstoshowthemthatyou’rereadytolisten.Thinkbeforeyourespond.Alwaystrytothinktwicebeforeyouspeak.___17___,thinkaboutquestionstoaskthatcangrantyouclarity.Avoidsayingmorethanyouhavetobebytakingamomenttoreflectafterthespeakerasksyouforyouropinion.Onlyspeakonsomethingwhenitisappropriate.Discusswhatmakessenseandtrytostayawayfromexamplesthatmayseemirrelevant,unreasonable,andambiguous___18___,ifyoudon’tknowwhatyouwanttosay.Forexample,“Whatdoesthismean?Whocanweholdresponsible,how,andwhy?”Thisencouragesotherstospeakmore.Keepconversationsbalancedbyaskingquestions.Inbalancedconversations,peoplesaywhattheyhavetosay.Ratherthantalkinguntilsomethingcomesup,balancetheconversationbysayingthingslike“Enoughaboutme.Whatdoyouthink?”and“Iknowwe’vebeentalkingalotaboutmyopinion,Iwanttohearyouropinion,too!”Ifyouhaveaquestionaboutsomethingorneedclarification,don’tinterruptthepersonwhilethey’retalking.___19___.Practicestayingontopicbychallengingandrecordingyourself.Recordyourselftalkingandseeifyoustarttodepartfromthetopic.___20___.Onceyou’reabletodothat,trytomakeyourpointin30seconds.Thisexercisecanhelpyoustayontopicandavoidwandering.A.ObservebodylanguageB.ShowyourwillingnesstolistenC.AskmoreinvestigativequestionsD.IfyouareconfusedaboutthetopicathandE.IfyoufindyourselfinterruptingothersortalkingoverthemF.Instead,waitforthemtofinishtheirthoughtandthenrespondG.Ifso,challengeyourselftomakeyourpointinunderoneminute第三部分語言運用（共兩節(jié)，滿分30分）第一節(jié)（共15小題；每小題1分，滿分15分）閱讀下面短文，從每題所給的A、B、C、D四個選項中選出最佳選項。EveryNewYear’sEve,asmallnoodleshopinHokkaidostayedopenuntillate.In1988,awomanwithtwoboysentered___21___.Theyonlyorderedonebowlofnoodles.Theowner’swifenoticedtheir___22___coatsandkindlyplacedextranoodlesintheirbowlsecretly.Thenextyeartheeconomiccrisisbrokeoutthroughoutthecountry.Theyappearedagain.Thewoman___23___beforeorderingonebowlagain.Thoughfacingeconomicdifficulties,theshopownerdecidednotto___24___theprice.Hiswife___25___,“Let’sgivethemthreetimesinonebowlthistime.”O(jiān)ntheirthirdvisit,theowneroverheardtheboys’___26___.Theeldersonsaidinalowvoice,“WhenIbecomeadoctor,we’lleatthreebowls!”Tearsfilledtheowner’seyes.Hetoldhiswife,“Three___27___servings!”Yearslater,theshopreceivedaletter:“ThankyouforkeepingthelightoneveryNewYear’sEve.Thatwarmbowlgaveus___28___tofacechallengesinourlife.”___29___wasaphotooftwoyoungmen—oneadoctor,theyoungerabanker.Whenthefamily,now____30____,finallyrevisitedtheshop,theownerrecognizedthemimmediately.“We’vebeenwaitingforthis____31____moment,”hesaid,servingthreebowls.Themother____32____deeply,“Yourkindnesswasourlighttowerinthe____33____times.”Thestoryspread,turningtheshopintoasymbolof____34____.Itremindsusthateventhesmallestactsof____35____possessthepowertobrightenanindividual’sworld.21.A.cheerfully B.quietly C.sadly D.noisily22.A.worn B.ugly C.tailored D.elegant23.A.hesitated B.prayed C.bargained D.complained24.A.figureout B.holdback C.cutdown D.bringup25.A.yelled B.commented C.whispered D.declared26.A.argument B.conversation C.conclusion D.plan27.A.small B.common C.regular D.special28.A.excuse B.instruction C.courage D.chance29.A.Developed B.Taken C.Attached D.Fixed30.A.successful B.tolerant C.proud D.mean31.A.surprising B.bittersweet C.inspiring D.historical32.A.bowed B.apologized C.sighed D.thought33.A.urgent B.dark C.unfair D.unforgettable34.A.wealth B.hope C.status D.authority35.A.approval B.justice C.donation D.sympathy第二節(jié)（共10小題；每小題1.5分，滿分15分）閱讀下面短文，在空白處填入1個適當?shù)膯卧~或括號內(nèi)單詞的正確形式。TheriseofChina’sAlmodel,DeepSeek,hasdrawnsignificantattentionforitsinnovativeandresource-efficientapproachtoAldevelopment.Meanwhile,thisyear’sSpringFestivalGalademonstrateda___36___(remark)fusion(融合)oftraditionalartandcutting-edgetechnology,attractingaglobalaudience.China’sSpringFestivalGalaachievedanewrecordwithatotalreachof16.8billionacrossallmediaplatforms,___37___(integrate)numeroushigh-techsolutionstoensureasmoothandstablebroadcastworldwideandtorecreatetraditionalartforms,ChinaMediaGroup(CMG)saidonTuesday.Someofthe___38___(highlight)includedtheuseoftechnologiessuchasultra-highdefinition,virtualreality,artificialintelligence,3Dvision,and3Daudio,manyofwhich___39___(use)forthefirsttimeinthisSpringFestivalGala.___40___(additional),someoftheshowsincorporatedAI-drivenhumanoidrobotsfordancing,dronematricesforaerialshows,andelectricvehiclesforlightshows.Thenight’smost___41___(appeal)andhigh-techperformancewastherobotdance“YanggeBot”.___42___(direct)bythefamous5th-generationfilmmakerZhangYimouandincooperation___43___China’sleadingroboticscompanyUnitree,16humanoidrobotsweighing47kilograms___44___(take)centerstageattheSpringFestivalGala.Theserobots,seamlessly(無停頓地)coordinatedwith16humandancers,performedatraditionalYangkodance,_____45_____energeticfolkartformfromNortheastChina,blendingculturalheritagewithcutting-edgetechnology.第四部分寫作（共兩節(jié)，滿分40分）第一節(jié)（滿分15分）46.假定你是李華，你的美國筆友Evan發(fā)郵件說他想來中國旅游，計劃在10天內(nèi)游覽5個省。請給他回封郵件，內(nèi)容包括：1.他的行程安排是否可行；2.你的建議。注意：1.寫作詞數(shù)應(yīng)為80個左右；2.請按如下格式在答題卡的相應(yīng)位置作答。DearEvan,____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua第二節(jié)（滿分25分）47.閱讀下面材料，根據(jù)其內(nèi)容和所給段落開頭語續(xù)寫兩段，使之構(gòu)成一篇完整的短文。Oncestrangers,DavidWhitsonandAllieReimoldarenowlifelongfriendsbondedbyalife-savinggift.Fouryearsearlier,asan18-year-oldbehavioralsciencesundergraduate.AlliehadhelpedorganizethePurdueUniversityDanceMarathontoraisemoneyforanIndianachildren'shospital.Duringthe16-hourevent,she'djoinedtheNationalMarrowDonorProgram,aglobalnonprofitassistingbonemarrow(骨髓)andstemcelltransplantsforpatientswithlife-threateningbloodcancers.Allieknowsit'sofgreatsignificance.Some18,000Americansarediagnosedeachyearwithalife-threateningillness—includingleukemia(白血病),lymphoma,sicklecelldiseaseandmorethan70others-thatcouldbetreatedwithamarroworbloodcelltransplant,accordingtotheHealthResourcesandServicesAdministration.Butsomepatients.thefederalagencysays,willneverfindamatch.Davidwasjust44whenhewentfromincrediblyhealthytobeingonaventilator(呼吸機)。Whenhiscoldturnedintoafever,Davidrushedtoanemergencyroom.Heexplainedtothedoctorthat“somethingwasseriouslywrong”becausetheleftsideofhisbodywasinpain.ACTscanandothertestsrevealedhispoorphysicalcondition.Acutemyeloidleukemia-arare.fast-growingbloodandbonemarrowcanceroriginatingfromabnormalbloodstemcells-tendstoaffectolderadults,accordingtoYaleMedicine.Hebrokedownwhentwomoreroundsofchemotherapy(化療)failedtofighttheillness.Butifhefoundtherightmatch.David'scancerous.TypeB-positivebloodcouldbereplaced.Itcouldreturnhimtohealth.Butfindingadonormatchcanbechallenging:Onlyabout30%ofpatientshavearelativewhocandonate;fortherest,doctorssearchnationalandinternationaldonorregistries,accordingtotheClevelandClinic.Siblings(兄弟姐妹)areoftenthebestmatchesbecausetheyhavethesamebiologicalparents.ButDavid'sbrotherwasn'tanidealmatch.So,hisdoctorstriedtheregistries.Alliegotthecall.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ThebonemarrowwasquicklytransportedtoDavid'shospitalandtheoperationwassuccessful.___________________________________________________________________________________________________________________________________________