2026年6月大学英语四级考试听力原文第1套(中英对照)

2026年6月大学英语四级考试听力原文第1套(中英对照)PartIListeningComprehension(35minutes)SectionANewsReport1(Questions1–2)Reporter:Goodmorning,listeners.ThisisKevinWangwiththecampusbulletinat7:30.Thecity’sDepartmentofTransportationannouncedyesterdaythatthenewelectric-busroutelinkingtheuniversity’ssouthgatewiththedowntownmuseumdistrictwillbeginservicenextMonday,threeweeksaheadoftheoriginalschedule.Theroute,numberedE-17,willoperatefrom6a.m.to10p.m.daily,withbusesarrivingeveryeightminutesduringpeakhours.UniversitystudentscarryingvalidIDcardsmayridefreeofchargeuntiltheendofthecalendaryear.Officialsestimatethelinewillcutaveragecommutingtimeby22minutesandeliminate1,200tonsofcarbonemissionsannually.However,somelocalshopownersworrythatthededicatedbuslanewillreduceon-streetparkingandaffectdeliveries.ThedepartmentrespondsthataloadingzoneonMapleStreetwillremainopenforcommercialvehiclesbetween4a.m.and11a.m.Question1Whatisthenewsreportmainlyabout?Question2Whatconcerndosomelocalshopownershave?SectionANewsReport2(Questions3–4)Reporter:Inglobalhealthnews,theWorldHealthOrganizationreleaseditsannualvector-bornediseaseoutlookyesterday,highlightingasurprising35%declineinmalariacasesacrosssub-SaharanAfricacomparedwithlastyear.Researchersattributethedroptotwokeyfactors:theintroductionofanewtriple-dosevaccinedistributedto2.3millionchildrenunderfive,andanunprecedentedreleaseofgeneticallymodifiedmosquitoeswhoseoffspringfailtoreachadulthood.Dr.AmaraOkafor,directoroftheRegionalMalariaControlCenter,cautionedthatthefiguresareencouragingbutwarnedagainstcomplacency.“Rainfallpatternsinthecomingwetseasoncouldstillcreatebreedinggroundsforremainingmosquitopopulations,”shesaid.Thereportalsonotesthatdiagnostictestinghasdoubledinruralclinics,thankstothedeploymentof5,000solar-poweredmicro-labs.Question3Whatcontributedmostsignificantlytothedeclineinmalariacases?Question4WhatwarningdidDr.AmaraOkaforgive?SectionANewsReport3(Questions5–7)Reporter:Andfinally,intechnology,ateamofengineersatNorway’sArcticUniversityhasunveiledaprototypeautonomoussnow-meltingpavementdesignedforairportrunways.Thesurfacecontainsameshofcarbon-fibercoilsthatactivatewhensensorsdetecttemperaturesbelow–2°Candatleast1mmofsnowaccumulation.InfieldtrialsatTromsøAirportlastFebruary,thesystemcleareda200-meterteststripinlessthan12minuteswithoutchemicals,cuttingde-icingcostsby70%.ProjectleaderDr.LenaHalvorsenexplainsthatthecoilsarepoweredbysurpluselectricityfromtheairport’swindturbines,makingtheprocessnearlycarbon-neutral.TheFederalAviationAdministrationhasexpressedinterestintestingthepavementattwoU.S.airportsnextwinter,butexpertscautionthattheinitialinstallationcostisroughlyfourtimesthatofconventionalconcrete.Question5Whatisthemainfeatureofthenewpavement?Question6Howmuchdidthesystemreducede-icingcostsduringthetrial?Question7Whatobstaclemayslowthetechnology’sadoption?SectionBLongConversation1(Questions8–11)W:Hey,Mark,youlookpuzzled.Stillstrugglingwithyourbiologyelective?M:Yeah,ProfessorChendroppedabombshellyesterday.Insteadoftheusualfinalexam,she’saskingustodesignaclosed-loopaquaponicsystemthatcansupportbothtilapiaandlettuceina4-square-meterfootprint.Wehavetosubmita3-DCADfile,afullbillofmaterials,anda10sustainabilityreport—allinfourweeks.W:Wow,that’sambitious.Butyou’veworkedontheengineeringclub’shydroponicprototypebefore.Can’tyouscalethatdown?M:That’swhatIthought,untilIrealizedthenutrientdynamicsareflipped.Inhydroponicswemicromanageeveryion,butherethefishwastehastoprovideexactlywhattheplantsneed,nomore,noless.Oneppmoffandeitherthefishgetnitritepoisoningorthelettuceturnsyellow.W:Soundslikeyouneedareal-timesensorarray.MyroommateinternsatAgriTechLabs;theyhaveaffordableion-selectiveelectrodesthattweetdataevery30seconds.M:Perfect,becauseIwasdreadingthecostofthoseindustrialprobes.Doyouthinkshecouldgetmeastudentdiscount?W:I’llask.Also,don’tforgetthebiofiltersurfacearea.You’llneedatleast50squaremetersofcolonizablemediaforthebacteriatoconvertammoniaintonitrate.M:Right,andthetrickisfittingthatintoaverticalcolumnsothefootprintstaysunderonemeterbyonemeter.I’mthinkingofusingrecycledpolyethyleneribbons—highsurfacearea,neutralpH.W:Onemorething:energybudget.Thecirculationpumpcan’texceed15wattsorthesystemwon’tqualifyasnet-zero.Haveyouconsideredasolarpanelwithagravity-fedreturn?M:Brilliant.Thatwouldslashthepumpinghead.Thanks,Jess.Ifthisworks,I’lltreatyoutothefirstlettuceharvest.Question8WhatassignmentdidProfessorChengive?Question9Whatistheman’smaintechnicalchallenge?Question10Whatsolutiondoesthewomansuggestformonitoringnutrients?Question11Whatenergyconstraintmustthemanobserve?SectionBLongConversation2(Questions12–15)M:Lisa,you’vejustreturnedfromasemesterinKyoto.I’mapplyingforthesameexchangeprogramfornextspring.Didyougetthescholarshipdormsordidyougoprivate?W:Neither.IlandedahomestaywiththeYamamotofamily—professordad,pastry-chefmom,andtwokidsunderten.Bestdecisionever.MyJapaneseimprovedtwiceasfastasclassmatesintheinternationaldorm.M:ButIheardhomestayshavecurfews.Didthatcrampyournightlife?W:Notreally.TheYamamotostreatedmeasfamily,notaguest.Mrs.YamamotoevenpackedmidnightbentowhenImentionedIwasgoingtoseetheGionFestival.Theonlyrule:letthemknowby9p.m.ifIwouldn’tbehomeforbreakfastsotheywouldn’twasteanonigiri.M:Culturalimmersionaside,howdidyouhandletheacademicload?EngineeringcoursesinJapanesemustbebrutal.W:True,buttheuniversityassignseachexchangestudenta“tutorbuddy.”Mine,Kenji,wasamechanical-engineeringseniorwho’dalreadytakentheclasses.Helentmehisannotatedtextbooks—color-codedformulasandEnglishsidenotes.Thatcutmyweeklyreviewtimeinhalf.M:Nice.Whataboutdailyexpenses?Theprogrambrochurequotes1,200dollarsamonth.W:That’sinflated.Myaveragewas780.Iboughtausedbicyclefor80dollars—nosubwayfares—andcookedlunchthreedaysaweek.Plus,thehomestayincludedutilitiesandlaundry.M:Lastquestion:anytipsfortheinterview?Theyscreen400applicantsfor40spots.W:Emphasizeadaptability.Myinterviewerposedahypothetical:“Yourhostgrandmarearrangesyourroomwhileyou’reinclass—howdoyoureact?”IsaidI’dthankherandaskthereason,turningitintoaculturalconversation.Theysmiled.Question12Whydoesthewomanconsiderherhomestaythebestdecision?Question13Whatspecialassistancedidthewomanreceiveforherengineeringcourses?Question14Howmuchlowerwasthewoman’smonthlyexpensecomparedwiththebrochureestimate?Question15Whatqualitydoesthewomanadvisethemantohighlightinhisinterview?SectionCPassage1(Questions16–18)Lecturer:Todayweexaminethephysicsbehindthe“sweetspot”onabaseballbat.Whenaballimpactsthebat,twowavespropagate:acompressionalwavetravelingalongthebarrelandabendingwavethatcausesthehandletovibrate.Thesweetspotisthenodewherethesewavescancel,minimizingvibrationandmaximizingenergytransfertotheball.Interestingly,thisnodeisnotfixed;itslocationshiftsdependingonthebat’smaterialandgeometry.Forastandard34-inchaluminumbat,finite-elementanalysisplacesthesweetspot15centimetersfromthebarrel’send.However,compositebats,wovenfromcarbonfiber,exhibitaphenomenoncalled“trampolineeffect,”inwhichthebarrelwalltemporarilydeformsandrecovers,addinganextra5%exitvelocity.Regulatorybodieshaverespondedbyimposinga“Bat-BallCoefficientofRestitution”limit,abbreviatedBBCOR,whichcapsthetrampolineeffecttopreservefieldersafety.Amateurleaguessince2012mustcertifybatsbelow0.50BBCOR.Engineersnowfacethechallengeofdesigningbatsthatapproachthisthresholdwithoutexceedingit,usingvariablewallthicknessandinternaldampingdiscs.Question16Whatdefinesthesweetspotonabaseballbat?Question17Howdoesacompositebatdifferfromanaluminumbatinenergytransfer?Question18Whatrestrictiondidregulatorybodiesimposestartingin2012?SectionCPassage2(Questions19–21)Guide:WelcometotheNationalArchives’augmented-realitytour.Asyoustandbeforethe19thAmendment,pleaseopentheArchive-Viewappandpointyourcameraatthedocument.YouwillseeahologramofsuffragistAlicePaulmaterialize,narratingher1917arrest.Theappsynchronizeswiththeoriginalparchmentsothatasyouswipeyourscreen,hiddeninksignaturesof42absentcongressmenfadeintoview,illustratinglast-minutepoliticalmaneuvering.Behindthescenes,hyperspectralimagingcaptured240wavelengthsoflighttorevealthesesub-surfacefeatureswithoutchemicalenhancement.Thesametechnologyrecentlyuncoverederasedmarginaliaonthe13thAmendment,suggestingthatasenatorconsideredwordingthatwouldhavecompensatedslaveowners—languagethatwasultimatelystruck.Visitorsoftenaskifsuchrevelationsriskdistortinghistory.Ourcuratorsarguetheopposite:augmentedtransparencyrestoresthecontested,humanprocessbehindseeminglypristinetexts.PleaseproceedtotheEmancipationProclamation,wheretheARoverlayletsyoutogglebetweenthepreliminaryandfinalversions,highlightingdeletionsthatstrengthenedfederalenforcement.Question19Whattechnologyenablesfadedsignaturestobecomevisible?Question20Whatnewhistoricalsuggestionwasfoundonthe13thAmendment?Question21Howdocuratorsjustifytheuseofaugmentedreality?SectionCLecture(Questions22–25)Professor:Let’sturntotheconceptof“ecosystemservicesvaluation,”atooleconomistsusetopricenatureasifitwereanassetclass.Imagineawetlandfilteringagriculturalrunoff,savingadownstreamcity$3millionannuallyinwater-treatmentchemicals.Weexpressthisasavoidedcost,thesimplestvaluationmethod.Next,considerpollinators:Californiaalmondgrowersrent1.9millionhoney-beehiveseachFebruaryatroughly200dollarsperhive.Multiplyandyoudiscoverthatinsectpollinationisa380-million-dollar-a-yearinputtoasinglecrop.Yetmarketsoftenignorenon-marketservicessuchasculturalheritage.Tocapturethat,economistsdeploycontingentvaluation—surveysaskingcitizenshowmuchtheywouldpaytopreserveasacredgrove.Criticsarguethesestatedpreferencesarehypothetical,butcalibrationagainstrealdonationsshrinksthemarginoferror.Finally,wemustdiscountfuturebenefits.Amangroveforestthatprevents10milliondollarsofstormdamagein30yearsisnotworth10milliontoday.Usinga3%socialdiscountrate,itspresentvalueisPPolicymakerscomparethisfigureagainsttheopportunitycostofconvertingthemangroveintoabeachresort.Iftheresort’snetpresentvalueis3.8million,conservationwins.Thus,discountingbecomesthehingeonwhichsustainabilitydecisionsswing.Question22Whatexampledoestheprofessorgiveforavoided-costvaluation?Question23HowmuchisinsectpollinationworthtoCaliforniaalmondgrowersannually?Question24Whydoeconomistsusecontingentvaluationforsacredgroves?Question25Whatroledoesthediscountrateplayinthemangroveexample?答案与解析SectionANews11BThelaunchofanelectric-busrouteaheadofschedule.2