【2024-2025英語(yǔ)寒假作業(yè)】高三年級(jí) 第1周

【2024—2025英語(yǔ)寒假作業(yè)】高三年級(jí)第1周【基礎(chǔ)夯實(shí)】一、猜測(cè)詞義并翻譯句子。1.Thestadiumtobecompletednextmonthcanadmit1,000students.該體育場(chǎng)將于下個(gè)月完工，可容納一千名學(xué)生。admitvt.__________這個(gè)劇場(chǎng)只能容納一千人。_____________________________________2.Theworthyprofessorisnowavailable.這位可敬的教授現(xiàn)在有空。availableadj.__________主管沒有時(shí)間發(fā)表意見。_____________________________________3.Wechancedtobeoutwhenshecalled.當(dāng)她打電話時(shí)，我們恰好不在家。chancev.__________我們碰巧同一時(shí)間到達(dá)。_____________________________________4.Weshelteredfromthestorminadesertedhut.我們?cè)谝婚g廢棄的小屋里躲避暴風(fēng)雨。desertedadj.__________我們偶然發(fā)現(xiàn)了一個(gè)廢棄的破舊旅館。_____________________________________5.Canyoudevelopthisfilmforus?你能幫我們沖洗這張膠卷嗎？developv.__________我們假期的照片應(yīng)該明天會(huì)沖洗出來(lái)。_____________________________________6.Themedicswereunabletoarrestthebleeding.這些醫(yī)護(hù)人員無(wú)法把血止住。arrestvt.__________目前正在努力阻止這種疾病的傳播。_____________________________________7.Manyofhisfriendsbackedhisplan.他的許多朋友支持他的計(jì)劃。backvt.__________我支持他為改革而進(jìn)行的斗爭(zhēng)。_____________________________________8.Icounthimamongmyclosestfriends.我把他看作我最親密的朋友之一。countv.__________總的來(lái)說(shuō)，她認(rèn)為自己是個(gè)幸運(yùn)的人。_____________________________________9.Doeshehavethecapitaltostartanewbusiness?他有資金創(chuàng)辦新的企業(yè)嗎？capitaln.__________這家公司有足夠的資金再建一家工廠。_____________________________________10.I’mbadlyinneedofavacation.我非常需要休假。badlyadv.__________我非常需要休假。_____________________________________二、用所給詞的適當(dāng)形式填空。1.Wecanwinthe__________(argue)ifwepresentthefactsclearly.2.Hisactionswerebasedonafalse__________(assume).3.Tomysurprise,theyquestionedthe__________(accurate)oftheinformationonthewebsite.4.Thebookisan__________(analyze)ofpovertyanditscauses.5.Asheworksinaremotearea,hevisitshisparentsonly__________(occasion).6.Tobefrank,theresultwasbeyondmy__________(expect).7.Isthereany__________(explain)forhisstrangereport?8.AssoonasIwentin,Katherinecriedoutwith__________(please).9.Asastudent,yourpersonal__________(behave)outsideschoolalsoreflectstheschoolitself.10.Asyoucansee,dailypractice__________(able)metospeakfluentlyinclass.三、高頻短語(yǔ)1.keepaneyeon...____________________2.findfaultwith____________________3.getover____________________4.makeyourselfathome____________________5.have/makeagoodimpressiononsb____________________6.lookforwardto(doing)sth____________________7.havemercyonsb____________________8.Itoccurstosbthat...____________________9.inpossessionof____________________10.removeone’sdoubts____________________四、語(yǔ)法填空（一）Top-spinning,knownasdatuoluoinChinese,hasalong-forgottenyetdeeply-rooted1(present)inChineseculture.Thistraditionalgame,2oncebroughtcountlessjoyousmomentstothechildhoodsofmanyChinesepeople,hasnowbeenrevitalizedatthenationalethnicgamesinSanya,3beautifulcoastalcityinsouthChina’sHainanProvincethat4(host)theongoing12thNationalTraditionalGamesofEthnicMinorities.Againstthisvibrantbackdrop,datuoluohasmadearemarkablecomeback.5(pass)downthroughgenerations,datuoluohasalonghistoryandcarriesaprofoundculturallegacyacrossChina.Inparticular,insouthernregionssuchasYunnan,thesimpleyetengagingdatuoluohas6(true)becomeafavoriteamonglocals,withitsdiverseethnicculturesandbeautifullandscapes.Today,top-spinningisonceagainshowcasedatthenationalethnicgamesinSanya,7(serve)asapowerfullinkbetweenpeopleandChina’s__8__(extend)andrichculturalheritage.Itbringsasenseofjoythatharksbacktothecarefreedaysofchildhoodfortheoldergenerations,__9__alsointroducingtheyoungergenerationstoatraditionalgamefullofcharm.Ithasbecomeawonderfulmedium__10__whichdifferentgenerationswouldnotbesoclosetogether.1.__________ 2.__________ 3.__________ 4.__________ 5.__________6.__________ 7.__________ 8.__________ 9.__________ 10.__________（二）WoodcutNewYearpicture,ahistoricartformofwoodcutpainting,isfortheoccasionofChineseSpringFestival.Itfeaturesbeautifulartdesignswithbright,delightfulcolors1fitsthemoodofthepeoplelongingforahappylife.Popular2(theme)ofWoodcutNewYearpictureincludehousesafeguard,familywishes,andprosperity.Customarily,hangingonthedoor3(keep)thedangerousspiritsawayaredoorgods(門神)whileonthescreenwallfacingthedoorisacharacter“Fu”4indicatesgoodfortune.FolkNewYearpictureemergedinpre-historicaltimeand5(use)asthedoorgod.The6(grow)ofproducteconomyandhandicraft(手工藝)industryalongwiththeadvancementinprintingduringtheSongDynasty7(change)themanufactureofChineseNewYearpicturefrommainlyhand-paintingtowoodcutpainting,makingitricherboth8categoryandcontent.AfterbeinglistedasNationalIntangibleCulturalHeritagein2006,woodcutNewYearpicturehasenjoyed9(great)popularity,significantlyinfluencingtheartisticstylesofothernationsaswell.Themakingofthepicture,apackageprocessfromdrafting,woodcut,painting,tohandpaintingtouch-up,keepsmillionsofitslovers10(lose)initsstrikingbeauty.1.__________ 2.__________ 3.__________ 4.__________ 5.__________6.__________ 7.__________ 8.__________ 9.__________ 10.__________【閱讀基礎(chǔ)】ATraditionalChineseMedicine(TCM)isbasedonthephilosophythathealthisachievedthroughthebalanceofthebody’senergy,knownasqì,andtheharmonybetweenthehumanbodyandthenaturalworld.Ifyou’renewtoTCM,herearesomepopularpracticesyoumightwanttoexploreduringyourstayinChina.AcupunctureItisoneofthemostwell-knownTCMpractices.Itinvolvesinsertingfineneedlesintospecificpointsonthebodytostimulateenergyflowandrestorebalance.Tinyneedlesareplacedinthebodyatspecificpointsandyoulikelywon’tfeelanything,althoughitmayachewhenthecorrectdepthisreached.GuaShaGuaShaorscrapingtherapyisatechniquethatinvolvesgentlyscrapingtheskinwithaflat,smooth-edgedtooltostimulatetheflowofbloodandlymph,causingslightpains.Tuina,orPressurePointMassageItinvolvesvarioustechniquessuchaskneading,pressing,andstretching.Ifyouwakeupwithastiffneck,tuinawouldbeagoodremedy.TuinaisasafeandcommontypeofmassageinChina,butnotconsiderthatit’sagentleorrelaxingmassage.Youmayfeelsomediscomfortduringorafterasession.MoxibustionItinvolvesburningdriedmugwortneartheskintowarmandstimulatespecificpointsonthebody,improvingcirculationandboostingtheimmunesystem.Itmaybeworthatryifyou’reexploringcomplementaryandintegrativetreatments,butrememberthatit’sbettertobedonebyaskilledpractitioner.1.WhatisspecialaboutTuina?A.It’sinsecure. B.It’samildmassage.C.Itcausesgreatpains. D.Itdemandsadiversityofskills.2.WhatdoAcupuncture,GuaShaandMoxibustionhaveincommon?A.Scrapingtheskin.B.Relievingmuscletension.C.Enhancingthecirculationofblood.D.Decreasingthebalanceofthebody.3.Whoaretheintendedreadersofthepassage?A.Doctors. B.Foreigners. C.Patients. D.Professionals.BAsher4-year-oldsonobservedtheIsraelimuseum’sancientartifacts(文物),AnnaGellerlookedawayforjustamoment.Thenacrashsounded,arare3,500-year-oldjarwasbrokenontheground,andhersonstoodoverit,aghast.WhenAnnaheardthecrash,sheprayedthatthedamagehadbeencausedbysomeoneelse.Butwhensheturnedaround,itturnedouttobeherson,whowas“standingstillopen-mouthed”.TheBronzeAgejarthattheboybrokelastweekhasbeenondisplayattheHechtMuseuminHaifafor35years.“Itwasoneoftheonlycontainersofitssizeandfromthatperiodstillcompletewhenitwasdiscovered.ItwasoneofmanyartifactsexhibitedoutintheopenpartoftheHechtMuseum’svisionoflettingvisitorsexplorehistorywithoutglassbarriers,”saidInbarRivlin,thedirectorofthemuseum.“I’membarrassed,”saidAnnaGeller,whosaidshetrieddesperatelytocalmhersondownafterthevasebroken.“Hetoldmehejustwantedtoseewhatwasinside.”Shewentovertothesecurityguardstoletthemknowwhathadhappenedinhopesthatitwasamodelandnotarealartifact.Sheevenofferedtopayforthedamage.Later,themuseumcalledandsaiditwasinsuredandaftertheycheckedthecamerasandsawitwasn’tadeliberatedamage,theyinvitedthefamilybackforamake-upvisit.Expertswereusing3Dtechnologyandhigh-resolutionvideostorestorethejar.RoeeShafir,arestorationexpertatthemuseum,saidtherepairswouldbefairlysimple,asthepieceswerefromasingle,completejar.Archaeologists(考古學(xué)家)oftenfacethemorechallengingtaskofsortingthroughpilesofpiecesfrommultipleobjectsandtryingtopiecethemtogether.Shafirsaidtheartifactsshouldremainaccessibletothepublic,evenifaccidentshappenbecausetouchinganartifactcaninspireadeeperinterestinhistoryandarchaeology.4.HowdidAnna’ssonfeelafterthecrash?A.Indifferent. B.Horrified.C.Calm. D.Embarrassed.5.Whatdoesparagraph2mainlytalkaboutconcerningthejar?A.Itshistory. B.Itsvalue.C.Itssize. D.Itstype.6.Whydidthemuseumcallthefamilytocomeback?A.Toshowtherepairprocess. B.Tomakeupforthedamage.C.Toexpressapologyinaway. D.Topieceupthevasetogether.7.WhatisShafir’sattitudetowardtheopendisplayofartifacts?A.Favorable. B.Cautious.C.Objective. D.Skeptical.完形填空Iwasoncetroubledbyscars.ButnowIfinditfunnywhenpeopleare1ofthescarstheyhaveontheirbodies.Tome,scarsshinealightonwhoaperson2is.Iwasbornintheyear2000.TendaysafterIwasborn,Ihadmyfirstsurgery,3myfirstofmanyscars.Iconsidermyselftobequitedifferentbecausemy4arerareandveryfewpeoplehavethesamescarasIdo.It’s5,likeme.Then,afterseveralmoremonthsofgoinginandoutofthehospitalIreceivedmybiggestandmost6scarfromasix-houropen-heartsurgery.Thisone7allthewayvertically(垂直地)downmychest.8,theheartisasymboloflove,soIseethisscarasrepresentativeofmy9toloveandmyperseverance(毅力).Today,Iamcompletelyhealthy.__10__Istillgotothehospitalforyearlycheck-ups,myheartconditiondoesnothinder(阻礙)myabilitiesinanyway.Ifitweren’tformy11,nobodywouldknowIamanydifferentfromthenextperson.Thethingis,I12myscars.Iwearthemasbadges(徽章)ofcourageandsurvival.Ioften13whytheywouldwanttohidetheirbeststories.Idon’tknowwhytheycalltheirsurvivalan14.Ifyouhaveascar,bigorsmall,be15.It’spartofwhoyouare.1.A.confident B.conscious C.ashamed D.independent2.A.constantly B.naturally C.suddenly D.truly3.A.removing B.gaining C.analyzing D.tracing4.A.inferences B.emotions C.conditions D.divisions5.A.shallow B.unique C.protective D.fortunate6.A.meaningful B.mysterious C.tolerable D.unknown7.A.runs B.disappears C.leads D.moves8.A.Frequently B.Eventually C.Typically D.Alternatively9.A.ability B.dream C.application D.plan10.A.When B.As C.Because D.Although11.A.accidents B.wish C.scars D.ways12.A.love B.forget C.avoid D.cure13.A.repair B.wonder C.describe D.explain14.A.advantage B.absence C.encounter D.imperfection15.A.guilty B.aware C.envious D.proud【閱讀提升】CFieldsrangingfromroboticstomedicinetopoliticalscienceareattemptingtotrainAIsystemstomakemeaningfuldecisionsofallkinds.Unfortunately,teachinganAIsystemtomakegooddecisionsisnoeasytask.Inthecaseoftraffic,amodelmightstruggletocontrolasetofintersectionswithvaryingspeedlimits,numbersoflanes,ortrafficpatterns.Toboostthereliabilityofmodelsforcomplextasks,MITresearchershavedevelopedamoreefficientalgorithmtotrainAIsystemsforcomplexdecision-makingtasks,suchastrafficsignalcontrol.Thenewalgorithm,knownasModel-BasedTransferLearning(MBTL),strategicallyselectsthebesttasksfortraininganAIagenttoperformeffectivelyacrossacollectionofrelatedtasks.Thisapproachmaximizesperformancewhilekeepingtrainingcostslow.Traditionally,engineerstrainalgorithmsfortrafficlightsatmultipleintersectionsbyeithertrainingonealgorithmperintersectionindependentlyortrainingasingle,largeralgorithmusingdatafromallintersections.Thefirstmethodistime-consuminganddata-intensive,whilethesecondoftenresultsinsubparperformance.CathyWu,aseniorauthorandmemberofMIT’sLaboratoryforInformationandDecisionSystems(LIDS),explainsthattheirmethodfindsamiddleground.“Wewonderedifwecouldtrainonasubsetoftasks,applytheresulttoalltasks,andstillseeaperformanceincrease,”Wusays.MBTLmodelshowwelleachalgorithmwouldperformiftrainedindependentlyandhowitsperformancewoulddegradewhentransferredtoothertasks,aconceptknownasgeneralizationperformance.Byexplicitlymodelinggeneralizationperformance,MBTLestimatesthevalueoftrainingonnewtasks.Itselectstasksinsequence,startingwiththosethatofferthehighestperformancegain,thenchoosesadditionaltasksthatprovidethemostsignificantmarginalimprovementstooverallperformance.Thisfocusonthemostpromisingtasksdramaticallyimprovestrainingefficiency.TheMBTLalgorithmhastwocomponents:onethatmodelsindividualtaskperformanceandanotherthatmodelsthedegradationofperformancewhentransferredtoothertasks.Thisdualapproachallowsforamorenuanced(微妙的)understandingofhowtotrainAIagentseffectively.Inthefuture,theresearchersplantodesignMBTLalgorithmsthatcanextendtomorecomplexproblems,suchashigh-dimensionaltaskspaces.Theyarealsointerestedinapplyingtheirapproachtoreal-worldproblems,especiallyinnext-generationmobilitysystems.1.Whichofthefollowingistrueaccordingtothepassage?A.ResearchersareworkingontheplantopromotetheextensiveapplicationofMBTL.B.ResearchershaveselectedsomebestAImodelstomakegooddecisions.C.ResearchershavefiguredoutthewaystoimprovetheefficiencyofAIdecision-making.D.ResearchersmanagetofindamiddlegroundwhentrainingAItomakegooddecisions.2.Whatdoestheunderlinedword“subpar”inparagraph3mean?A.inferior B.substantialC.unexpected D.superb3.WhatisthemostdistinctivefeatureofMBTLcomparedtothetraditionalalgorithms?A.Itcanperformmultipletasksatatime.B.Itisdesignedtokeepthecostslow.C.Itfeaturesgeneralizationperformance.D.Itmakesthealgorithmmuchmoreaccessible.4.WhataretheParagraphs5and6mainlyabout?A.ThefunctionsofMBTL.B.ThefundamentalsofMBTL.C.ThecomponentsofMBTL.D.ThegeneralizationperformanceofMBTL.DThetemperatureinTexasneared40℃inJuneasJohnPutnamfinishedhisgardenwork.Bythatpoint,the74-year-oldlandscaperhadconsumednearly13litres(升)ofwateroverfivehoursinhopesitwouldfuelhisharddayofwork.Instead,hefeltsickandexhausted.Hewenttothehospitalforwhathebelievedwasaheartattack,buttohissurprise,itwassomethingelse:waterintoxication(中毒).“Aperson’skidneys(腎)cantypicallymanageaboutoneliterofwaterperhour,”saidThunderJalili,aprofessorofnutritionattheUniversityofUtah.“Whenyoudrinkmorethanaliterofwateranhour,that’swhenyourunintotheriskofwaterintoxication,”Jaliliadded.Whensomeonedrinkstoomuchwateroverashortperiod,itcanleadtothedeclineofsodium(鈉)inblood,asubstancethathelpsbalancetheliquidincells.Theconditioncangrowparticularlydangerouswhenitleadstotheexpansionofbraincells.Theexpansionputspressureoncertainpartsofthebrainandcanleadtoseriousdamageorevendeath.Theamountofwaterapersonneedseachdayvariesfrompersontoperson,dependingonfactorsincludingsex,environmentandphysicalactivity.TheNationalAcademiesofSciences,EngineeringandMedicinerecommendswomenandmenconsumeabout11.5cupsand15.5cupsofwateradayrespectively,whichincludesliquidfromwater,otherdrinksandfood.Thoseguidelinesapplytohealthy,inactivepeoplelivinginmildclimates,accordingtotheorganization.AlifeguardinMiamiprobablyneedstodrinkmorewaterinadaythanasoftwareprogrammerinAnchorage,Alaska.Ingeneral,doctorsrecommendyoudrinktosatisfyyourthirstwithinanappropriatelimit.“Ifyoudrinktoyourthirst,trytokeepupwithyourliquidlosses,”Rosnersaid.Butpeopleshouldbecarefulofdrinkingsomuchthattheyfeeloverloaded,headded.5.WhatledtoJohnPutnam’sfeelingofsicknessdirectly?A.Theintenseheat. B.Theheartdisorder.C.Theburdenofheavylabour. D.Theintakeofmassivewater.6.Inwhatconditionmaydeathbecaused?A.Thesodiuminbloodgoesdown. B.Theliquidincellslosesbalance.C.Thepressureinbraincellsdeclines. D.Thebraincellsabsorbextraliquid.7.Whatcanbeinferredfromtheparagraph4?A.Adultmenneedmorewaterthanwomen.B.Waterintakecomesfromdiversesources.C.Mildpeopledrinklessthanthehot-headed.D.Climatedecidestheamountofwaterintake.8.Whichwouldbethebesttitleforthetext?A.AttentiontoWaterIntoxicationB.DangerofOutdoorIntoxicationC.GuidelinesforOurLiquidIntakeD.BalanceofSodiuminOurBlood七選五Ifyouareaperfectionist(完美主義者),youfollowhighstandardsandalwaystrytodoeverythingwell.1Assomeresearchershavefound,pursuingperfectioncanhaveseriousconsequencesformentalhealth.Ina2016study,researchersstudiedtherelationshipbetweenperfectionismanddepressionovertime.2Althoughpeoplemaybelievethattheirperfectionismcontributestotheirsuccess,itseemstobeharmfultotheirmentalhealth.Isperfectionismalwaysharmful?3Somesuggestingthepossibilityofadaptiveperfectionism,wherepeoplesticktohighstandardswithoutself-criticismoftheirownmistakes.However,othersbelievethatperfectionismisnotadaptiveandtheydon’tthinkitisbeneficial.Sowhatcanperfectionistsdotochangetheirbehavior?Psychologistspointoutthatgivinguponperfectiondoesnotnecessarilymeanlesssuccess.4Apossiblealternativetoperfectionismiswhatpsychologistscallagrowthmindset.Unlikethosewithafixedmindset,thosewithagrowthmindsetbelievethattheycanimprovetheir,abilitiesbyearningfromtheirmistakes.__5__Tounderstandselfcompassion(同情),thinkabouthowyouwouldrespondtoaclosefriendiftheymadeamistake.Itislikelythatyouwillrespondwithkindnessandunderstanding,knowingthatyourfriendisdoingitoutofgoodintentions.A.Psychologistshavedebated.B.Anotheristocultivateselfcompassion.C.Perfectionismcanbebeneficialincertainsituations.D.Inthelongrunacceptingimperfectioncanactuallyhelp.E.Highstandardsareonething,butperfectionismisanother.F.Theyfoundhighlevelsofperfectionismoftenincreaseddepression.G.Thekeytoovercomingperfectionismistoavoidmistakesatallcosts.【寫作訓(xùn)練】一、應(yīng)用文假定你是李華，你校將舉辦英語(yǔ)演講比賽。請(qǐng)你圍繞“tourismdevelopment”這一話題準(zhǔn)備一篇演講稿參賽。內(nèi)容包括：（1）分析利與弊；（2）闡述你的觀點(diǎn)。注意：（1）詞數(shù)為80左右；（2）開頭和結(jié)尾已給出，不計(jì)入總詞數(shù)。LadiesandGentlemenLadiesandGentlemen,Iamdelightedtostandhereandsharemythoughtsontourismdevelopment.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________二、讀后續(xù)寫Itwas8:00am,andAmypulleduphercarbesideaquietpark.Whileherkids,thestudentmovie-makers,jumpedoutofthecarandstartedunloadingequipmenttomakeafilminthepark,shesatinthedriver’sseat,readingabook.Shesuddenlyfeltalittlesad.Thesekidsusedtoneedaparent’sadvice,helpandcaring.Now,asolderteenagers,theyweremakingtheirowndecisions.Shewasjusttheirdriver.Anythingelsethatshemightbeabletogivetothemwasunwelcomeandnotrequired.Emptiedofitsmovie-relatedcontents,thecaronlyhadbagsofsnacksandwaterandsomepersonalitemsleft.Amy’sjob,asthedriver,wastostaywithincallingdistancewiththekeyssothatifanythingwasneededshecouldopenthecar.Amygotoutofthecar,lookingaroundforaplacetositdowntofinishreadingherbookinthefreshair.Itwasearly,butthesunwasalreadybeatingdown,andAmydidn’twanttositintheheat.Shefoundaparkbenchagainstawall,intheshade.Shenoticedthatamanwassittingononeend,buttherewasplentyofroomforatleasttwomorepeople.Whenshewasslowlywalkingintheman’sdirection,themannoticedher.Hethoughtsheprobablywasjusthavingawalkaroundandwouldn’tcometositbyhim.Hehadjustspentthenightonthebench.Besidesdirtyclothesandhair,hehadasmellofbodysweat.Heknewhewasanunwelcomeperson.Usuallypeoplewouldn’tevenlookathim,letalonesitbyhim.“Whatiftheladyasksmetoleaveandsitsherebyherself?”themanwondered.Itwasahotday,anditwasn’teasyforhimtofindanotherplacetositoutofthesun.Moreover,hehadn’teatenanyfoodforsolongthathedidn’thavemuchstrengthtomovearound.注意：（1）續(xù)寫詞數(shù)應(yīng)為150左右；（2）請(qǐng)按如下格式在答題卡的相應(yīng)位置作答。Soon,Amystoppedbythebenchandsatontheotherendofthebench.Soon,Amystoppedbythebenchandsatontheotherendofthebench.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Gatheringhiscourage,themanturnedtoAmy.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【外刊精讀】Researchersracetoclimate-proofChristmastreeproduction:‘We’reuptothetask’TheclimatecrisisisincreasinglyaffectingagricultureintheUnitedStates,includingtheproductionofChristmastrees.Likeallcrops,Christmastreesarevulnerabletoachangingclimate,astheUnitedStatescontinuestoexperiencewarmertemperatures,morefrequentandsevereheat,increasedrainfall,droughts,wildfiresandhurricanes,asaresultofglobalwarmingandtheclimatecrisis–primarilydrivenbyhumans’burningoffossilfuels.ArecentreportfromtheNationalCentersforEnvironmentalInformation,whichispartoftheNationalOceanicandAtmosphericAdministration(NOAA),highlightshowdiretheclimatecrisisisandhowitwillcontinuetoaffectChristmastrees.ThereportstatesthathightemperaturesanddroughtcanstressChristmastrees,makingthemmorevulnerabletopestsanddiseases,thatexcessiverainfallcancausefloodingandrootrot,andthatextremecoldcancausefrostdamage,dryingoutbudsandshoots.In2021,severedroughtinOregonledtothedeathofover70%ofChristmastreeseedlingsinthestatethatyear,thereportstates,duetoextremetemperaturesandverydryconditionsthatalsocompletelydriedouttheneedlesofmorematuretrees.JillSidebottomfromtheNationalChristmasTreeAssociationsaidthatwarmertemperaturescanaffectneedleretentiononChristmastrees,astheyrequirecoldtemperaturestoremaindormant.Withwarmerautumns,treesstruggletoholdtheirneedleslonger.“Thosetreeshavetohavecoldtemperatures,”shesaid.HurricaneHeleneinSeptembercausedcatastrophicfloodingandhistoricrainfallinNorthCarolina,leadingtoapproximately$125minlossesofornamentalnurseriesandChristmastrees,thereportstates.Inattempttoadapttotheincreasingchallengesposedbyclimatechange,researchersacrossthecountryhavebeenstudyingfraserfirsandothervarietiesofChristmastreestoenhancetheirresiliencetoclimate-relatedstresses.BillLindberg,aMichiganStateUniversityExtensionChristmastreeeducator,notedthatyoungtreesfacechallengesduringdroughts.Hesaidthatthroughresearch,they’vefoundthatirrigationmanagementandusingwoodchipstoincreasesoilmoisturecanactasshort-termsolutionsinMichigan.Long-termeffortsincludeexploringtreespeciesthatmaythrivebetterinawarmer,drierclimate,Lindbergsaid.Researchersarealsoconductinggeneticresearchandbreedingprograms.“ScientistsarehopingtohelptheindustrybyproducingChristmastreesthatareabletoacclimateandbemoreresilienttothethreatsofclimatechange,”thereportfromNOAAstates.TheNorthCarolinaStateUniversityChristmastreegeneticsprogramhasspentdecadesworkingtodevelop“elite”fraserfirtreescapableofwithstandingtheseclimate-relatedimpacts.JustinWhitehill,theprogramlead,saidthattheirprimaryfocusishelpingthetreesadapt,sothatthey“continuetothriveandsurvive”.Thisinvolvesatraditionalbreedingapproach,hesaid,whichcanbeslow,asitcantake20to30yearsforfraserfirstoproducepollenorcones.Toacceleratetheprocess,Whitehillsaidthattheytestthetrees,andtheexistinggeneticsinvariousenvironments,“evaluatingtheirperformancesbasedonhowtheyperformatdifferentelevationsandhowthegeneticscorrelatewiththosedifferentenvironments”.“Insteadofjustlettingthetreessortoffigureitoutontheirown–whichisthenaturalapproach–we’reartificiallyhelpingthetreesbyidentifyingtheonesthattendtodobetterinthesenewerclimatesandnewerconditions,andtrytopushthoseforwardtothenextgenerationusingsomewhatadvancedmethods,”hesaid.GeneticmodificationisanothermethodbeingconsideredforadaptingChristmastreestotheclimatecrisis,Whitehillsaid,butwhileit’ssomethingtheyareconsideringandthinkingabout,theyarestill“prettyfarofffromthatrightnow”,hesaid.WhilethechangingclimateisposingchallengesforthegrowthofChristmastrees,Whitehillstated:“We’renotatthepointyetwheretheskyisfalling.”“Likeanyothercropwehaveoutthere,whetheritbecorn,soybean,anyspeciesreally,therearechallenges,andtheyarehappeningfasterthanwhatmostofthespeciesweworkwithcanadaptwith,butwe’reuptothetask,”hesaid.“Therearepeopleworkingonit,we’reaware,andwe’regoingtohavesomethingtokeeptheindustrysolventa