做題時，先將答案標在試卷上。錄音內(nèi)容結(jié)束后，你將有兩分鐘的時間將試卷上的答案轉(zhuǎn)涂A.￡19.15.A.Inthechemist's.B.Inthe2.WhatdoesthemanA.Marcieisn'tverypoliB.MarcieisabusywC.Marcielovestalkingont3.What'stheweatherA.Warmandsunny.4.WhenwillthenexttraintoBedfordl5.Whatdoesthewomanthinkofthebluesweater?A.It'swarmer.B.It'scheaper.出最佳選項。聽每段對話或獨白前，你將有時間閱讀各個小題，每小題5秒鐘；聽完后，各小題將7.WhatistheprobablerelationshipbetweenthesA.Friends.8.Whatlanguageofthetelevisionseriesisthewomanwatching?A.English.B.French.9.WhatdoesthewomandoduringtheB.ShewritesdownsomeC.Shetranslatesthelines10.Whosays“pleaseA.Theservants.12.WhatistheopeninghouA.BecausehejumpedacrossMrs.Mill'sfence.B.Becausehisboysdidn'tapologizetoMrs.C.BecausehisboysmadeamessinMrs.Mill'A.It'sverypopula16.HowdoesthemanaccessA.Bytappingthescreenofthedevice.A.Gobackhome.B.Resethisgoal.A.FromtheirparenB.FromtheschoolwebC.Fromthepostersinthedin20.WhatshouldstudentsdowiththeircA.KeepthemwiththeschoolteacheB.LocktheminsidethespecC.TalktotheschoolstaffforpermiAWelcometoUCLAExchangeProgram!Let'sgetstartemicjourney!SigningupforESL(ESLcoursesaredesignedtohelpinternationalstudentsirollment(課程注冊)priorityisgiventodegreestudents.Ifspaceisavailable,youmayenroll.YoubeaskedtotakeanESLPlacementTest.ThetestresultswillhelpyouchoosetheclassthatisappropriatefChangingYourCourseEnrollmYoumaychangeyourclassscheduleduringthefirsttwoweeksofthetermbrsesfromyourenrollmentlist.Afterthesecondweekofclasses,theange.Studentsoftenattendclassesinwhichtheyarenogthisnewcoursetothelist,asotherstuWithdrawingfromCourIfyouchoosetodropacourse,youmustfollowtheUCLAproceduresforremovindule.Ifyouforgettoofficiallydropthatcourse,a“F”(Fail)gradewillberegisteredonyourdoftheterm.If,atalaterdate,youwishtoapplyforajoborgraduateschoolwherrUCLArecordisneeded,itwillbetoyouradvantagetoprovideanimpressiveacademSomeinstructorschoosetoputprevioustestpapersonlibraryresdents.Theseexams,whichstudentscommonlyuseforpractice,cangivequestionsandwhattheyregardasrelevantmaterial.Youcanalsoaccesstheexamsonline.A.AninternationalfreshmB.AvisitingscholarfromaC.AnAmericanstudentD.Alanguageloverintheexchangepro22.WhatisacommonstratB.AskingtheinstructorforspecialpermisC.Takingaplacementtesttoproveone'sDAttendingtheclassfirstwithoutbeingenro23.WhatcouldbeadirectresultifastudentforA.HewillhavetotakeanextB.Hewillbechargedacertainamountofmoney.C.AfailinggradewillappearonhisD.HewilllosethechancetoaBSittinginthegardenformyfriend'sbirthday,Ifeltabuzz(mixofanxietyandhopewhenIsawtheemailsender'syouforyourinterest”and“thereviformyou…”andmyvisionblurred(模糊).Theposition——measuringsoilqualityintpartofanundergraduateresearchprogramme——hadfeltliketheanswerIhadspentyearslookingfor.Ihadputsomuchtimeandemotionalenergyintoapplyoftheroadformysciencecareer.CSoIwasshockedwhen,notlongaftertheemail,ProfessorMaryDevmme,invitedmetoobservetheworkbeingdoneinherlab.Ijumpwasequallyshocked——andoverjoyed——whensheinvitedmetotalkwithheraboutpcouldpursueinherlab.Whatsheproposeddidn'tseemasexcitingastheoriginalprojectIhadappliedto,Ifoundmyselfworkingwitharoboticsprofessorontechniquesforcollectingdatafromthedesotely.Thatproject,whichIcouldcompletefrommysofainsteadofintheburningheatofthedelysurvivedthelockdownbutworkedwheretraditionalmethoWhenIappliedtograduateschool,Ifoundthreeprogrammeiredresearchdirection.AndIappliedwiththesameanxiousexcitemmonethathadseemedlikeaperfectfit,itwasundoubtedlydifficult.Buttkeepitfromsendingmeintopanic.IthelpedthatintheendIwasacRatherthansettingplansinstone,I'velearnedthatsooffered,eveniftheydon'tsoundperfectatthetime,andmakethemostofthem.24.HowdidtheauthorinitiallyfeA.QuitecuriousandiB.極極極nervousandexD.Deeplydisappointedandu25.Whatwastheauthor'sfirstreactiontotherejeA.HedecidedtoabandonhisscientB.HeimmediatelysoughtalternativeprogC.HefeltitsignaledtD.Hechosetoobservethelabworkwithouthesita26.WhatdoestheauthorimplyabouttheprojectheeventuallyundeA.ItprovedtobeeffectiveandinnovatiB.ItwasmoreexcitingthanC.ItwascompletedunderthetoughdesertcoD.Itwasaperfectfitforhisoriginal27.WhatisthemainlifelessontheauthorlearnA.OnlyapplyforprogramsthaB.SeizeandmaximizetheoppoC.RejectionsareunavoidableontheroadtoD.Alwayshaveabackupplanreadyforanysitua“Whatwouldtheworldbeiftherewerenohunger?”It'saquestionthatProfessorCrystalwouldaskherstudents.Theyfoundithardtoanswer,shewrotelater,becauseimaginingsomethingllife——andlearninghowtomakeitreal——isararelessoftentoscientists.Crystalsetouttochangethat,a—anapproachknownassystemsthinking——isnowsSystemsthinkingiscrucialtoachievingtargetssuchaszerohungerairesconsideringthewayinwhichfoodisproduced,processed,delithosethingsintersect(交叉)withhumanhealth,theenvironment,economicsandsociety.Accordingtosystemsthinking,changingthefoodsystem——oranyothernetwork——requiresthreethingst,researchersneedtoidentifyalltheplayersinthatsystem;second,theymustworkouthowtheyrelatetoeachother;andthird,theyneedtounderstandandquantifytheimpactofthoserelationsTakenutrition.InthelatestUNreportonglobalfoodsec的)peopleintheworldhasbeenrising,despitegreatadvancesinnutritionscience.Tmicalsinfoodhasbeenimportantinrevealingtherelationshipsbetweencalnceofcommondiseases.Butusingmachinelearningandartificialintelligence,somescientistsphumandietsconsistofatleast26,000biochemicals——andthatthevastmajorityarenotknown.Thisshowsthatwehavesomewaytotravelbeforeachievingthefirstobjectiveofsystemsthinking.Asystemsapproachtocreatingchangeisaequalpower.ButassomeresearcherspowerimbalanceisformoreuniversitiestodowhatCrystaemsapproach.Moreresearchers,policymakersandrepresentativesfromthefoodindustrymustlearntolookheirdirectlinesofresponsibilityandadoptasystemsapproach.Crystalknewthatvceresults,butconcludedthat“we'llneverproduceresultsthatwecan'tenvision”28.WhatisthemainpurposeofProfessorCrystal'squestionmentionedinthefirstparagraph?A.TohighlightaskillselB.ToinitiateadiscussiononaCToassessthestudents'understandingofglobalhunger.D.Toinspireacreativeapproachto29.Accordingtothesecondparagraph,whatisthecorerequirementofsystem5thinking?A.Itinvolvesathoroughconsiderationofvariousrelatedfactors.B.Itrequirestheapplicationofartificialintelligenceinanalysis.C.Itprioritizestheimprovementoffoodproductionefficiency.D.Itdemandsafocuson30.Whatdoestheexampleofnutritionresearchinparagraph3demonstrate?A.ThenewestUNreportsonfoodsecurityarenolongertruB.MachinelearninghasmadetraditionalnutritionscienceoutdatC.MostcommondiseasesarecausedbyaseverelackofunknownbiochemicD.Achievingthefirstgoalofsystemsthinkingismorechallengingth31.Whatdoestheunderlinedword“redress”inparagraph4mostprobA.Recognize.BCorrect.DTheStanfordmarshmallow(棉花糖)testwasoriginallyconductedbypsychologistWalterMischelinlectedbythechild,wasplacedonatable.Eachchildwastoldiftheywaitedfetreat,theywouldbegivenasecondtreat.Thentheywereleftaechildrenlaterinlifendvariousformsofsuccess.Asadultswefaceaversionofthemarshmallowtesteveryday.We'renottempted(誘惑)bysugarytreats,butbyourcomputers,phones,andtablets——allthedevicesthatctemforvarioustypesofinformationthatdotouswhatmarshmallowsdotopreschoolers.Wearetemptedbysugarytreatsbecauseourancestovelopedaresponsemechanismtothesetreatsthatreflectedtheirvalue——afeelingofrewardandsatisfaction.Butaswe'vereshapedtheworldaroundus,dramaticallyreduciningcalories,westillhavethesamebrainswehadthousandsofyearsago,andthisfwhysomanyofusstruggletoresisttemptingfoodsthatweknowweshouldn'teat.Asimilarprocessisatworkinourresponsasinformation-poor,soourbrainsdevelopedamechanismthatprizednewinformatctivityhasgreatlychangedourinformationenvironment.Wearenowceaselesslybombardhnewinformation.Therefore,justasweneedtobemorethoughtfulaboutourcaloricconsumption,wneedtobemorethoughtfulaboutourinformationconsumption,resistingthetemptationofthemental“junkfood”inordertomanageourtimemostef32.WhatwasthekeyforchildreC.ResistingtheimmediatedeD.Followingtheinstructionsgivenbythepsycholo33.Whatdoestheauthorimplyby“aversionofthemarshmallowtest”foradA.Adultsaretestedwithdigitaldevicesinsteadoftreats.B.AdultsfacemorecomplextemptationsthanchilC.AdultsmustalsodelaycontentmeD.Adultsareassessedontheabilit34.Accordingtothetext,whatistherootcauseofpeople'sstruggleagainsttemptation?A.Thelackofself-disciplineinourcontemporarysocietB.ThemismatchbetweenourancientbrainsandmodernenvironC.Theoverabundanceofcalorie-richfoodsinthemarket.D.Theconstantbombardmentofnewinformationfromdigitaldevices.35.Whichofthefollowingisthebesttitleforthetext?A.TheMarshmallowTest:LessonsforModernLC.WhyOurBrainsStrugglD.HowtoManageInformationConsumBrainrotisastateofmentalfogginessandcognitive(感知的)declinethatresunengagement.Isbrainrotreal?36Whenyouspendhourssuriesofmeaninglessdata,negativenewsandperfectlyretouchedphotos,whichmakeyoufeelinadequate,creatementalexhaustionandleadtoadropiOnthesurface,spendingalotoftimeonyoursmartphos.37Activitieslikescrollinghaveanyoursensitivitytonegativesignals,makingitharderforyoutoexperienceposiPreventingbrainrotrequiresbeingintentionalaboutyourmediause.HerearesomeofthebeststrategiSetlimitsonscreentime.Startbytrackinwatchingvideos,andgaming.Youmaybeshockedtodiscoverhowmuchtimeyouspendinfrontofscreens.38Deletedistractingappsfromyourphoneandturnoffnotificationsfornewsa39There'sahugeworldbeyondyourscreen.ReconnectyourselfwithitbydiggingintohobbictivitiesyouenjoysuchasgoingcamnizationyoubelieveinortakeyourfavoriteexerciConnectofflinewithpositivepeople.Yourfirstinstinctmaybetopickupyourphonetoconnectwithsomeone.40Developingauthenticconnectissandprovideadeepersenseofbelonging.A.Pursuenon-digitalinteresB.occupyyourselfwithdifferentactivities.C.Itsresultisreal——you'reoverusingyoD.Instead,makeanefforttosocializewithothersinE.It'snota醫(yī)medicallyrecognizedcondition,butF.NextsetboundariesaroundthehoursyouinvestindigitalpursuGOvertime,however,brainrotbehaviorcanaffectyourmentalandemotionalweInaremotevillagedividedbyawideriver,theelderlycarpenterElibridgeslowlyrotted.Thevillagersonbothsides,onceaunirent.Elias,thoughskilled,felttheproblemwastoobigforInsteadofappealingtothe43,whowerebusywiththeirfarmsaoject.Hebegan44beautifulwoodentoys—smallboat thesetoystothechildren,amusingthemwithstoriesofhowkidsfrombothsidesusedtoplaytogetherontFascinated,thechildrenbegantomeetbytheriver.Theystartedplaying,joy.Thissimpleactchangedthe47.Seeingtheirchildreto48.TheystartedtalOnemorning,49bytheirchildren'slaughterechoingacrosstheriver,agroupofvillagerdwiththeir50.TheyapproachedElias,readyt arenotalwayscrossedbyforce,but53bybuildingquiet,heartfeltconnections.Herealizedthatchildren'slaughterwastherealmagicthatstarteditall.Thembolofareunitedcommunity,41.A.familiarB.accustomed42.A.uncomfortableB.simpleC.strange43.A.colleaguesB.44.A.purchasingB.collecting46.A.hesitantlyB.bravelyC.eagerly47.A.atmosphereB.occasion48.A.softenB.break49.A.awakenedB.interrupt50.A.knivesalA.rediscoveredB.rechargedC.potential52Aregrets53.A.establishedBdelayedC.measured55.A.lessonB.warmthC.mysteryD.challengeTheartificialintelligence(AI)revolutionisoftencomparedtotheindustrialrevolution.Orenceliesinenergyneedinayear.AIsystemsaregrowiactivelyseekingsolutions.Onepromimple,datacenterscanbeprogrammed59(perform)energy-imostavailable.Thisapproachhelpsreducecarbonemissionsandenables60Anotherstrategyiscommittedto61rdware62imitatesthehumanbrain'shighlyefficientwayofprocessinginformation.Thesebrain-likechipspotentiallyreduceAI'senergyusebyover90%.SuchTheultimategoalistoensureAI'sdevelopmentmatchesenvironmentalprotartenergymanagementwithinnovativehardware,wecanpowerthefutureofAI63puttingtoomuchpressureonourplanet.Thisbalanceis6lizethatasustainableapproach65(require)fortechnologica為慶祝即將到來的世界問候日(WorldGreorld”專欄，旨在促進跨文化理解。假定你是校英文報編輯李華，請給你校來自英國的外教Chris寫I'mwritingtoinviteyoutoOntheafternoonofmyeighteenthbirthday,Iwasdrivingmydad'solutelyfreeandexcited.Thesutheworstthinghappened.Therewasaloud,sharpsoundofmetalscrapingagainstmetal.Myheartjumpedintomythroat——IhadsideswipedacarparkedbythepavemeIstoppedthecar,myhandsshakingonthelyempty;noonehadseentheaccident.Apowerfulthoughtruwilleverknow.”ThecarIhitwasabeautiful,brand-newMercedes,andthescratchalongitsdoorwaslonowncaronlyhadasmallbump.pafirstsemesterscollegebooks,andIknewthatmoneywouldbewipButthen,Ipicturedmydad'sseriousface.Hehadalwaystaughtmethattakingreactionswaswhatdefinedaperson.Withaheartthatfeltlikeaheavystone,IpulledoverbehindtheMercedes.Ifoundanotebookandapeninmybackpack.Myhandsweretremblingmessy.Iwrotedownmyname,myphonenumber,myaddress,ankedbacktotheMercedes,andcarefullyputthenoteunderitswindshieldwiper.Drivinghome,Iwasmedwithdread,alreadyimaginingtheangryphonecallandthefinThecallcamethatevening.Awesaid.“I’mcallingaboutthenotnarushed,nervousstream.ShelistenedquietlyuntilIfinished.“Thescratchonmycarisqushesaid,pausing.Mystomachtightenedintoaknot,sureshewasabouttodemandahugepayment.Thensheadded,hervoicewarming,“Butsoisyourhonesty.”23.答案：C解析：根據(jù)“SigningupforESL”部分“Enrollmentpriorityisgiventod“degreestudents”的定義；B（亞洲來訪學(xué)者）、C（本地美國大學(xué)生）、D（交換項目中的語言愛好解析：由“ChangingYourCourseEnrollmentList”部分“Studentsoftenattendclassesinenrolledonthefirstdayofinstructiontotryaddingthisnewcourse”（學(xué)生通常會在開學(xué)第一天旁聽未注冊的課程，嘗試將其加入選課列表）可知，學(xué)期開始后添加新課程的常見策解析：根據(jù)“WithdrawingfromCourses”部分“Ifyouforgettoofficiallydropthatcourse,a‘F’willberegisteredonyourrecordattheendoftheterm”（若未正式退課，期末成績單將記錄“不及格”成（被收取一定費用）無依據(jù)；D（失去申請研究生資格）是過度推斷，文中僅提及“優(yōu)秀成績解析：由第一段“myvisionblurred”（視線模糊）和“therejectionmeanttheendoftheroadformysciencecareer”（拒絕意味著我的科研生涯走到了盡頭）可知，作者看到25.答案：C解析：根據(jù)第二段“therejectionmeanttheendoftheroadformysciencecareer”（作者認為拒絕標志著科研生涯的終結(jié)）可知，這是作者對拒絕的最初反應(yīng)。A（放棄科仍參與科研項目；B（立即尋找替代項目）與“soIwasshockedwhenProfessorMaryDevon...invime”（作者是被動獲得機會，而非主動尋找）矛盾；D（毫不猶豫觀察實解析：第四段提到該項目“survivedthelockdownbutworkedwheretraditional），令人興奮）矛盾；C（在惡劣沙漠環(huán)境中完成）與“completefrommysofa”（在家解析：文章結(jié)尾“taketheopportunitiesthatareoffered,eveniftheydon'tsoundperfectmakethemostofthem”（抓住眼前的機會，即使它看似不完美，并充分利用）點明核心啟示——“抓解析：第一段提到Crystal提出問題是為了少被教授的技能）是問題引發(fā)的現(xiàn)象，非目的；B（發(fā)解析：第二段“consideringthewayinwhichfoodisproduced,processed,deliveredanlookingathowthosethingsintersectwithhumanhealth,食物生產(chǎn)、加工、運輸、消費的過程，以及這些環(huán)節(jié)與人類健康、環(huán)境、手段，非系統(tǒng)思維的核心要求；C（優(yōu)先提高糧食生產(chǎn)效率）、D（將經(jīng)濟增解析：第三段提到“humandietsconsistofatleast26,000biochemicals——andthatthevastmajorityare），報告數(shù)據(jù)是客觀事實；B（機器學(xué)習(xí)使傳統(tǒng)營養(yǎng)學(xué)過時）未解析：前文提到“食物系統(tǒng)存在權(quán)力不平衡”，后文“moreuniversitiestodowhatCrystaldidstudentshowtothinkusingasystem解析：根據(jù)第一段“iftheywaitedfor15minutesbeforeeatingthetreat,they解析：第二段提到成年人的“棉花糖實驗”是“被電腦、與棉花糖類似——需要“延遲滿足”（如抵制即時刷甜食測試）是表面差異，核心是“延遲滿足解析：第三段“ourbrainsdevelopedaresponsemechanismtothesetreats...westillhavethesamethismismatchisattheheartofwhysomanyofusstruggletoresist”（我們的大腦進化出對甜食的反應(yīng)機制，但現(xiàn)代環(huán)境已改變，這種“大腦與環(huán)境的不匹配”是抵抗誘惑困難的核心）及第四段惑的同理分析，可知“古老大腦與現(xiàn)代環(huán)境的不匹配”是根源。A（當代解析：文章以棉花糖實驗為引子，類比成年人在數(shù)字時代面臨的誘惑，最終得）（medicallyrecognizedcondition,butarealphenomenon”現(xiàn)象）承上啟下，既回應(yīng)“是否真實”的問題，又為后文危害分析鋪墊。C選項“Itsresulyou'reoverusingyourbrain”（結(jié)果是真實的——你過度使用大腦）中“過度使用大腦”與后文“解析：前文“表面上無害”與后文“對大腦獎勵系統(tǒng)有負面影響”形however,brainrotbehaviorcanaffectyourmentalandemotionalwell-beinyourselfwithdifferentactivities”（讓自己忙于不同活動）是后文的解決策略，非此處的轉(zhuǎn)折內(nèi)容，排thehoursyouinvestindigitalpursuitseachday”（接下來為每天投入數(shù)字“追蹤時間”的步驟，且“設(shè)定界限”與后文“刪除應(yīng)用、關(guān)閉通知”均屬于“限制屏幕時間”的具體措施，邏輯連貫。A選項“Pursuenon-digitalinterests”（追求non-digitalinterests”（追求非數(shù)字興趣）作為段落主旨句，可統(tǒng)領(lǐng)后文內(nèi)yourselfwithdifferentactivities”（讓自己忙于不同活動）表述寬泛，未明確“非數(shù)40.答案：D解析：前文“本能想拿起手機與人聯(lián)系”與后文“線下建立真實連接的好處makeanefforttosocializewithothersintherealworld”（相反，努力在現(xiàn)“instead”的轉(zhuǎn)折邏輯，呼應(yīng)后文“offlinewithpositivepeople”的主題。其他選項均無法體現(xiàn)“線下社41.答案：D解析：由“onceaunitedcommunity”（曾經(jīng)是團結(jié)的42.答案：DD選項“unbeatable”（難以戰(zhàn)勝的）符合語境；A（不舒服的）、B（簡單的）、C（奇怪的）均與“問題艱巨”的描述不符，排除。43.答案：B解析：后文“busywiththeirfarmsandarguments”（忙于農(nóng)活和爭吵）及44.答案：C解析：由“beautifulwoodentoys”（木制玩具刻”玩具，C選項“carving”（雕刻）符合語境；A（購買）45.答案：B解析：由“amusingthemwithstories”（用“gifted”（贈送）符合語境；A（售賣）、C（舉起）、D（保存）均與“善意互動”的場景不符，排