邵阳市2025年下半年全国英语等级考试（PETS）三级仿真试题及答案解析

邵阳市2025年下半年全国英语等级考试（PETS）三级仿真试题及答案解析SectionI:ListeningComprehensionDirections:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.Therearetwopartsinthissection,PartAandPartB.PartAYouwillhear10shortdialogues.Aftereachdialogue,thereisarecordedquestion.Boththedialoguesandquestionswillbespokenonlyonce.Foreachquestion,therearefourchoicesmarkedA,B,C,andD.Youshoulddecideonthecorrectanswer.1.A.Inapostoffice.B.Atarailwaystation.C.Inabank.D.Atatravelagency.2.A.Thewomanismeetingthemanattheairport.B.Themanisseeingthewomanoff.C.Theyarecomplainingaboutthebadweather.D.Theyarediscussingtheirtravelplan.3.A.Heisabusinessman.B.Heisahotelclerk.C.Heisatourguide.D.Heisatrafficpoliceman.4.A.7:00.B.7:15.C.7:30.D.7:45.5.A.Itiscompletelynew.B.Itisslightlydamaged.C.Itisasecond-handmodel.D.Ithasaminorsoftwareissue.6.A.Teacherandstudent.B.Doctorandpatient.C.Waiterandcustomer.D.Managerandsecretary.7.A.Themanshouldtakethejobofferimmediately.B.Thesalaryislowerthanthemanexpected.C.Themanneedstonegotiatetheworkinghours.D.Thebenefitspackagecompensatesforthelowersalary.8.A.Heforgottobringhisumbrella.B.Hisumbrellawasstolen.C.Helenthisumbrellatosomeone.D.Helefthisumbrellaintheoffice.9.A.Shewantstoborrowabook.B.Sheislookingforalibrarycard.C.Sheneedstopayafine.D.Shewantstoreturnabook.10.A.Shedoesn'tlikethedesign.B.Shethinksitistooexpensive.C.Shewantstobuyitimmediately.D.Sheneedstomeasureherroomfirst.PartBYouwillhearfourdialoguesormonologues.Beforelisteningtoeachone,youwillhave5secondstoreadthequestions.Afterlistening,youwillhavetimetoanswerthequestions.Thematerialswillbereadonlyonce.Questions11-13arebasedonthefollowingconversation.11.A.Tocancelaflight.B.Tobookahotelroom.C.Tochangeaflightticket.D.Toinquireaboutarefund.12.A.Tuesdaymorning.B.Wednesdayafternoon.C.Thursdayevening.D.Fridaymorning.13.A.150.B.Questions14-17arebasedonthefollowingconversation.14.A.Atacomputerstore.B.AtanITsupportcenter.C.Atasoftwaredevelopmentfirm.D.AtauniversityITdepartment.15.A.Thescreeniscompletelyblack.B.Thecomputerkeepsrestarting.C.Thekeyboardisunresponsive.D.Thecomputermakesaloudnoise.16.A.Rebootthesystem.B.Checkthewarrantystatus.C.Backupherfiles.D.Reinstalltheoperatingsystem.17.A.Tomorrowmorning.B.Tomorrowafternoon.C.Intwodays.D.Nextweek.Questions18-20arebasedonthefollowingmonologue.18.A.Thehistoryofcoffeebeans.B.Theeffectsofcaffeineonthehumanbody.C.Theprocessofroastingcoffee.D.Thebusinessofcoffeeshops.19.A.Itimproveslong-termmemory.B.Itcausessleepdisorders.C.Itincreasesheartratetemporarily.D.Itleadstohighbloodpressure.20.A.Peoplewhodrinkmorethanthreecupsaday.B.Peoplewhodrinkcoffeebeforegoingtobed.C.Peoplewhohaveaslowmetabolism.D.Peoplewhoaresensitivetocaffeine.SectionII:UseofEnglishDirections:Readthefollowingtext.ChoosethebestwordorphraseforeachnumberedblankfromthefourchoicesmarkedA,B,C,andD.Theconceptofworkhasundergoneadramatictransformationinthepastdecade.Thetraditional9-to-5officejobisnolongerthe21standard.Instead,thegigeconomy,characterizedbyshort-termcontractsandfreelancework,has22themodernemploymentlandscape.Thisshiftoffers23flexibility,allowingindividualstochoosewhen,where,andhowtheywork.24,thisnewfoundfreedomcomeswithsignificantdrawbacks.Oneoftheprimary25isthelackofjobsecurity.Gigworkersareoften26themercyofalgorithmsandcustomerratings.Asuddendropinratingscan27inalossofincomeorevendeactivationfromtheplatform.Furthermore,independentcontractorsare28excludedfromtraditionalemployeebenefitssuchashealthinsurance,paidsickleave,andretirementplans.Thefinancialstabilityoftheincomeisalso29;thevolatilityofgigworkmeansthatmonthlyearningscan30wildly,makingitdifficultforindividualstobudgetorplanforthefuture.Ineconomics,theincomevolatilityofgigworkersisoftencalculatedusingtheformulaV=×100,31Vrepresentsthevolatilitycoefficient,σisthestandarddeviationofmonthlyincome,andμDespitethesechallenges,thegigeconomycontinuesto34.Formany,theappealofbeingtheirownboss35therisksassociatedwithirregularincome.Tothriveinthisenvironment,workersmustdeveloprobustfinancialplanningskillsandcontinuously36theirskillstoremaincompetitiveinarapidlyevolvingmarket.Governmentsandpolicymakersarealsobeginningto37theneedforupdatedlaborlawsthatprovideasafetynetforgigworkerswithout38theflexibilitythatdefinesthismodernworkarrangement.Thefutureofworkis39ahybridmodelthatbalancestheflexibilityofindependentcontractingwiththe40oftraditionalemployment.21.A.soleB.onlyC.mereD.sheer22.A.reshapedB.ruinedC.remainedD.rejected23.A.unparalleledB.unusualC.unwantedD.unchanged24.A.ThereforeB.HoweverC.MoreoverD.Thus25.A.advantagesB.benefitsC.concernsD.features26.A.onB.inC.atD.under27.A.causeB.resultC.leadD.bring28.A.typicallyB.rarelyC.hardlyD.unusually29.A.guaranteedB.uncertainC.stableD.fixed30.A.fluctuateB.stayC.riseD.fall31.A.whichB.thatC.whereD.what32.A.medianB.modeC.averageD.maximum33.A.featureB.flawC.complaintD.characteristic34.A.growB.declineC.stagnateD.disappear35.A.increasesB.outweighsC.reducesD.minimizes36.A.upgradeB.forgetC.ignoreD.abandon37.A.ignoreB.rejectC.recognizeD.forget38.A.enhancingB.providingC.destroyingD.maintaining39.A.hardlyB.likelyC.impossiblyD.rarely40.A.insecurityB.instabilityC.uncertaintyD.securitySectionIII:ReadingComprehensionDirections:Readthefollowingfivetexts.AnswerthequestionsbeloweachtextbychoosingA,B,C,orD.Text1Thepsychologicalconceptof"decisionfatigue"suggeststhatthehumanbrainhasalimitedcapacityformakingdecisionsinagiventimeframe.Justasamuscletiresafterrepeateduse,thebrain'sabilitytomakerationalchoicesdepletesafteralongsessionofdecision-making.Thisphenomenonexplainswhyhighlysuccessfulindividuals,likeSteveJobsandMarkZuckerberg,oftenoptfordailyroutinesthatinvolvewearingthesameoutfiteveryday.Byminimizingtrivialchoices,theypreservetheircognitiveresourcesformorecriticaltasks.Decisionfatiguecanhaveseriousconsequences,particularlyinhigh-stakesenvironments.Studieshaveshownthatjudgesaremorelikelytodenyparolelateintheday,aftermakingaseriesofrulings.Thementalexhaustionleadsthemtodefaulttothesafest,leasteffortfuloption,whichisoftenmaintainingthestatusquo.Similarly,consumersmakingpurchaseslateinashoppingtriparemoresusceptibletoimpulsivebuyingandaremorelikelytoregrettheirdecisionslater.Tocombatdecisionfatigue,expertsrecommendautomatingdailychoices.Mealprepping,creatingastrictmorningroutine,anddelegatinglessimportanttaskscanfreeupmentalenergy.Bystructuringthedaytominimizethenumberofdecisions,individualscanimprovetheiroverallproductivityandmakebetterchoiceswhenittrulymatters.41.Whatisthemainideaofthetext?A.Successfulpeoplewearthesameclothestosavemoney.B.Thebrain'sdecision-makingabilityisfiniteandcanbeexhausted.C.Judgesshouldnotmakerulingslateintheday.D.Consumersshouldavoidshoppingwhentheyaretired.42.WhydidSteveJobsandMarkZuckerbergwearthesameoutfitdaily?A.Theylackedasenseoffashion.B.Theywantedtoberecognizedbythepublic.C.Tosavecognitiveenergyforimportantdecisions.D.Toestablishastrongcorporateidentity.43.Accordingtothetext,whydojudgesdenyparolemoreoftenlateintheday?A.Theyarebiasedagainstcertainprisoners.B.Theywanttogohomeearly.C.Mentalfatiguemakesthemchoosetheeasiestoption.D.Theprisoners'casesareusuallymoresevereintheafternoon.44.Whatistheauthor'srecommendationfordealingwithdecisionfatigue?A.Takingfrequentnapsduringtheday.B.Drinkingmorecoffeetostayalert.C.Delegatingalldecision-makingtaskstoothers.D.Automatingroutinechoicestosavementalenergy.Text2Sleepisafundamentalbiologicalprocess,yetitsmechanicsremainasubjectofintensescientificscrutiny.Thecircadianrhythm,oftenreferredtoasthebody'sinternalclock,regulatesthesleep-wakecycle.This24-hourcycleisheavilyinfluencedbyenvironmentalcues,themostsignificantofwhichislight.Whenlightenterstheeye,itsignalsthesuprachiasmaticnucleus(SCN)inthebraintosuppresstheproductionofmelatonin,thehormoneresponsibleforinducingsleep.Conversely,asdarknessfalls,melatoninlevelsrise,promptingthebodytorest.Modernlifestyles,however,areconstantlyatoddswithourbiologicalclocks.Theproliferationofartificiallight,particularlythebluelightemittedbysmartphonesandcomputerscreens,disruptsmelatoninproduction.Thisdisruptionleadstoaphenomenonknownas"socialjetlag,"whereanindividual'sbiologicalclockisoutofsyncwiththeirsocialobligations.Overtime,chronicmisalignmentofthecircadianrhythmcanleadtoseverehealthissues,includingmetabolicdisorders,cardiovasculardiseases,andimpairedcognitivefunction.Insleepscience,thesleepefficiencyindex(E)isacrucialmetricusedtoevaluatesleepquality.ItiscalculatedbytheformulaE=,whererepresentsthetotaltimeasleep,andindicatesthetotaltimespentinbed.Asleepefficiencyrateof85%orhigherisgenerallyconsideredoptimal.IndividualssufferingfromsleepdisordersoftenfindtheirEvaluesignificantlybelowthisthreshold,indicatingfragmentedorrestlesssleep.Toimprovethismetric,sleephygienepractices,suchasmaintainingaconsistentsleepscheduleandlimitingscreentimebeforebed,arehighlyrecommended.45.Whatregulatesthehumansleep-wakecycle?A.Melatoninproduction.B.Thecircadianrhythm.C.Thebluelightfromscreens.D.Themetabolicsystem.46.Howdoeslightaffectsleepaccordingtothetext?A.Itincreasesmelatoninproduction.B.Itsignalsthebraintoreducemelatonin.C.Ithasnoeffectonthecircadianrhythm.D.Itdirectlyinducessleep.47.Whatis"socialjetlag"?A.Aphysicalillnesscausedbyfrequentflying.B.Adisruptionofthebiologicalclockduetomodernlifestyles.C.Thetimedifferencebetweentwosocialevents.D.Afeelingoftirednessafterasocialgathering.48.Ifapersonspends8hoursinbedbutisonlyasleepfor5hours,whatistheirsleepefficiencyindex(E)?A.52.5%.B.62.5%.C.72.5%.D.85%.Text3Thepreservationofindigenouslanguagesisnotmerelyaculturalendeavorbutamatterofsafeguardinghumanknowledge.Languagesarenotjustsystemsofcommunication;theyarerepositoriesofuniqueworldviews,ecologicalknowledge,andhistoricalnarratives.Whenalanguagedies,thespecificculturallensthroughwhichitsspeakersperceivetheworldvanisheswithit.Linguistsestimatethatnearlyhalfoftheapproximately7,000languagesspokentodayareatriskofextinctionbytheendofthecentury.Thedeclineisprimarilydrivenbyglobalization,urbanization,andtheeconomicpressuretoadoptdominantlanguageslikeEnglish,Mandarin,orSpanish.Inmanyregions,indigenousfamilieschoosenottopasstheirnativetonguetotheirchildren,believingthatproficiencyinagloballanguagewillsecurebettereconomicopportunities.However,thelossoflinguisticdiversityhasconsequencesbeyondculturalhomogenization.Manyindigenouslanguagescontainsophisticatedunderstandingsoflocalecosystems,medicinalplants,andagriculturalpracticesthathavebeenpasseddownorallyforgenerations.Thisknowledgeisoftenuntranslatableandislostforeverwhenthelastelderwhospeaksthelanguagepassesaway.Revitalizationeffortsareunderwayglobally.Programsthatimmersechildreninindigenouslanguagesfromayoungage,knownaslanguagenests,haveshownpromiseinplaceslikeNewZealandandHawaii.Furthermore,technologyisplayingarole,withappsandonlinedatabaseshelpingtodocumentandteachendangeredlanguages.Whiletheseeffortsarecommendable,truepreservationrequiresabroadersocietalshiftthatvalueslinguisticdiversityasanassetratherthanabarriertoprogress.49.Whatistheprimaryreasonindigenousfamiliesstoppassingtheirnativelanguagetotheirchildren?A.Theyfindthelanguagetoodifficulttoteach.B.Theywanttheirchildrentosucceedeconomically.C.Theyareforcedbythegovernmenttostopusingit.D.Theybelievethelanguageisextinct.50.Whathappenswhenanindigenouslanguagedies,accordingtothetext?A.Itiseasilyreplacedbyagloballanguage.B.ThehistoricalnarrativesaretranslatedintoEnglish.C.Uniqueecologicalknowledgeandworldviewsarelostforever.D.Thelocalecosystemisimmediatelydestroyed.51.Whatisa"languagenest"?A.Aphysicalstructurebuiltforlanguagelearning.B.Aprogramthatimmerseschildreninanindigenouslanguage.C.Anonlinedatabaseforendangeredlanguages.D.Agovernmentpolicytoenforcelanguageuse.52.Whatdoestheauthorimplyisnecessaryfortruelanguagepreservation?A.Moreappsandtechnologicaltools.B.Forcingindigenouspeopletospeaktheirnativetongue.C.Asocietalshiftthatvalueslinguisticdiversityasanasset.D.Banningtheuseofgloballanguagesinindigenousregions.Text4Verticalfarmingisaninnovativeagriculturalpracticethatinvolvesgrowingcropsinverticallystackedlayers,oftenintegratedintoskyscrapers,shippingcontainers,orrepurposedwarehouses.Byutilizingcontrolled-environmentagriculture(CEA)technology,verticalfarmerscanoptimizetemperature,light,humidity,andnutrientstomaximizecropyield.Thismethodusessignificantlylesslandandwaterthantraditionalfarming,makingitanattractivesolutionforfeedingagrowingurbanpopulation.Oneoftheprimaryadvantagesofverticalfarmingisitsreductionofwaterusage.Traditionalagricultureisamajorconsumeroffreshwater,accountingfornearly70%ofglobalwaterwithdrawals.Verticalfarmingemployshydroponicoraeroponicsystems,whichrecyclewaterandnutrients,reducingwaterconsumptionbyupto95%.Additionally,becauseverticalfarmsarehousedindoors,theyarenotsubjecttothevagariesofweather,droughts,orseasonalchanges,allowingforyear-roundharvests.However,themodelisnotwithoutitscritics.Themostsignificantbarriertowidespreadadoptionisthehighenergyconsumptionrequiredforartificiallightingandclimatecontrol.WhileLEDtechnologyhasbecomemoreefficient,theelectricitycostsremainprohibitivelyhighformanycrops.TheresourceefficiencycanbemodeledbytheequationY=A··,whereYistheagriculturalyield,Lrepresentslabor,Krepresentscapitalinvestment(suchasenergyandequipment),andEconomistspointoutthatforverticalfarmingtobeviable,thesectormustfocusonhigh-value,perishablecropslikeleafygreensandherbs,wherethepremiumpricecanoffsetthehighoperationalcosts.Growingstaplecropslikewheatorriceinverticalfarmsiscurrentlyeconomicallyunfeasibleduetothelowprofitmarginsandthemassivescalerequired.53.Whatisthemainadvantageofverticalfarmingovertraditionalfarmingmentionedinthetext?A.Itproducescheapercrops.B.Ituseslesslandandwater.C.Itrequireslesscapitalinvestment.D.Itreliesonnaturalweatherconditions.54.Whydoesverticalfarminguselesswater?A.Itgrowsplantsthatneedlesswater.B.Ituseshydroponicandaeroponicsystemsthatrecyclewater.C.Itoperatesinhumidenvironments.D.Itextractswaterfromtheair.55.Accordingtotheresourceefficiencyequationinthetext,whatcharacterizesverticalfarming?A.Thelaborinput(L)ishigher.B.Thetechnologyefficiencyfactor(A)iszero.C.Thecapitalinvestment(K)isdisproportionatelyhigh.D.Theagriculturalyield(Y)islowerthantraditionalfarming.56.Whyarestaplecropslikewheatnotsuitableforverticalfarmingcurrently?A.Theycannotgrowindoors.B.Theyrequiretoomuchwater.C.Theprofitmarginsaretoolowtocoverhighoperationalcosts.D.Theytaketoolongtogrow.Text5Theconceptofauniversalbasicincome(UBI)hasgainedtractioninrecentyearsasapotentialsolutiontotheeconomicdisruptionscausedbyautomationandartificialintelligence.UBIisagovernmentprograminwhicheveryadultcitizenreceivesasetamountofmoneyperiodically,regardlessoftheiremploymentstatusorwealth.ProponentsarguethatUBIprovidesasafetynetthateliminatesextremepovertyandgivesindividualsthefreedomtopursueeducation,entrepreneurship,orcare-givingwithoutthepressureofbasicsurvival.However,theproposalishighlycontroversial.Criticsraiseconcernsabouttheeconomicfeasibilityofsuchaprogram.FundinganationwideUBIwouldrequireamassiveredistributionofwealth,likelynecessitatingsubstantialtaxincreasesorcutstoexistingsocialwelfareprograms.Furthermore,economistsworryaboutthepotentialinflationaryeffects.Ifeveryonesuddenlyreceivesabaselineincome,thepurchasingpowerofthatincomemightbeerodedaspricesforessentialgoodsrisetomeettheincreaseddemand.Anothermajorpointofcontentionistheimpactonlaborsupply.Opponentsarguethataguaranteedincomewoulddisincentivizework,leadingtoashrinkinglaborforceandslowereconomicgrowth.Theysuggestthatworkprovidesnotjustincome,butalsopurpose,socialintegration,anddiscipline.Removingthefinancialnecessitytoworkcouldresultinsocietalstagnation.Despitetheseconcerns,severalpilotprogramshavebeenconductedglobally.Theresultshavebeenmixed.InFinland,atwo-yearUBIexperimentdidnotsignificantlyboostemployment,butitnotablyimprovedthementalwell-beingandlifesatisfactionoftherecipients.ThissuggeststhatwhileUBImaynotbeasilverbulletforunemployment,itspsychologicalandsocialbenefitscannotbeentirelydismissed.Thedebateultimatelyhingesonwhethersocietyvaluestheeconomicefficiencyofthetraditionallabormarketoverthehumanisticgoalofuniversalfinancialsecurity.57.WhatisUBI?A.Aprogramwhereonlyunemployedpeoplereceivemoney.B.Aprogramwhereeveryadultcitizenreceivesasetamountofmoneyregularly.C.Asystemthatreplacesalljobswithartificialintelligence.D.Aprogramthatpayspeopletopursuehighereducation.58.WhatisoneofthemainconcernsofUBIcriticsregardingtheeconomy?A.Itwillcauseextremepoverty.B.Itwillleadtodeflation.C.Itmightcauseinflationandrequirehightaxes.D.Itwillmakethelaborforcegrowtoofast.59.Accordingtoopponents,whatisthenegativeimpactofUBIonsociety?A.Itwoulddisincentivizeworkandcausesocietalstagnation.B.Itwouldforcepeopletoworkharder.C.Itwouldimprovesocialintegration.D.Itwouldincreasethedisciplineoftheworkforce.60.WhatwastheoutcomeoftheUBIexperimentinFinland?A.Itsignificantlyboostedemployment.B.Itcausedmassiveinflation.C.Itimprovedthementalwell-beingofrecipients.D.ItprovedthatUBIisasilverbulletforunemployment.SectionIV:WritingDirections:Youareauniversitystudentwhorecentlynoticedasignificantissueregardingthecampuslibraryfacilities.Writealettertotheuniversitypresident.Youshouldbaseyourletteronthefollowingoutline:1.Statethepurposeofyourletter.2.Describethecurrentissueswiththelibraryfacilities(e.g.,outdatedequipment,lackofstudyspaces).3.Suggesttwospecificimprovements.4.Expressyourhopeforconsideration.Writenolessthan120words.Donotsignyourownnameattheendoftheletter.Use"LiMing"instead.SectionV:TranslationDirections:TranslatethefollowingparagraphfromEnglishintoChinese.Therapidadvancementofartificialintelligencehasbroughtunprecedentedconveniencetoourdailylives,fromvoice-activatedassistantstoautonomousvehicles.However,thistechnologicalrevolutionhasalsosparkedwidespreadanxietyaboutthefutureofwork.Asmachinesbecomeincreasinglycapableofperformingcomplexcognitivetasks,agrowingnumberofprofessionalsarefindingtheirskillsatriskofobsolescence.Thechallengeforsocietyisnottohaltprogress,buttoadapttoit.Thisrequiresafundamentalrethinkingofoureducationalsystems,shiftingthefocusfromrotememorizationtocriticalthinkingandemotionalintelligence,skillsthatremainuniquelyhuman.参考答案及解析SectionI:ListeningComprehension听力录音文本PartA1.W:I'dliketosendthispackagebyexpressmail.Howmuchwillitcost?M:Letmeweighitfirst.Thatwillbe$15.Doyouneedittoarrivebytomorrow?Q:Wheredoestheconversationmostlikelytakeplace?2.M:It'sgreatthatyoucouldcometoseemeoff.I'llmissyou.W:I'llmissyoutoo.Haveasafeflightanddon'tforgettocallmewhenyouland.Q:Whatarethespeakersdoing?3.W:Excuseme,couldyourecommendagoodrestaurantnearby?I'mhereforthefirsttime.M:Certainly.TheseafoodplaceonMainStreetisexcellent,andwehaveadiscountarrangementwiththemifyoustayatourhotel.Q:Whatistheman'soccupation?4.W:Thelecturewassupposedtostartat7:00,buttheprofessorislate.M:Yes,it'salready7:15.Thetrafficisusuallybadthistimeofday.Let'swaitanother15minutes.Q:Whattimeisitnow?5.M:I'minterestedinbuyingthislaptop,butitseemsthecornerisslightlyscratched.W:That'scorrect,sir.Itisadisplaymodel,soweareofferinga20%discountonit.Q:Whatcanbeinferredaboutthelaptop?6.M:I'vehadaterribleheadacheandasorethroatforthreedays.W:Letmetakeyourtemperaturefirst.Itseemsyouhaveamildfever.I'llprescribesomemedicine.Q:Whatistheprobablerelationshipbetweenthetwospeakers?7.W:I'mthinkingaboutthejoboffer.ThebasesalaryisabitlowerthanIexpected.M:True,butwhenyoufactorinthecomprehensivehealthinsurance,dentalcoverage,andthegenerousretirementmatching,it'squiteacompetitivepackage.Q:Whatdoesthemanmean?8.W:You'recompletelysoaked!Didn'tyoubringanumbrella?M:Idid,butIleftitintherestaurantwhereIhadlunch.Ihavetogobackandgetit.Q:Whathappenedtotheman'sumbrella?9.W:I'dliketoreturnthisbook,butIrealizeImissedtheduedateyesterday.M:That'sfine,buttherewillbeasmallfineof50centsperdayforoverduebooks.Q:Whydoesthewomanneedtopayafine?10.M:Lookatthisbeautifulrug.Itwouldlookperfectinourlivingroom.W:It'sgorgeous,butweneedtomeasureourlivingroomfirsttomakesureitfits.Q:Whatdoesthewomanimply?PartBQuestions11-13M:Hello,thisisUnitedAirlinescustomerservice.HowcanIassistyoutoday?W:Hi,Ineedtochangemyflightticket.MynameisSarahJenkins.Myoriginalflight,UA405,wasscheduledforTuesdaymorning,butIneedtopostponeittoThursdayeveningduetoasuddenbusinessmeeting.M:Isee,Ms.Jenkins.LetmechecktheavailabilityforThursdayevening.Yes,wehaveaflight,UA408,leavingat7:00PMonThursday.However,sinceyouarechangingthedate,therewillbeachangefee.W:Howmuchwillthatbe?M:Thestandardchangefeeis150.W:Oh,that'sabitexpensive,butIhavenochoice.Pleaseproceedwiththechange.M:Alright.I'llprocessthatforyourightnow.Questions14-17M:Goodmorning,TechSupportCenter.HowcanIhelpyou?W:Hello.Mycomputerkeepsrestartingitselfeveryfiveminutes.It'sdrivingmecrazy,andIcan'tgetanyworkdone.M:Iunderstandhowfrustratingthatis.Whendidthisproblemstartoccurring?W:Justthismorning.ItwasworkingfinelastnightwhenIturneditoff.M:Arethereanyerrormessagesonthescreenbeforeitrestarts?W:No,thescreenjustgoescompletelyblack,andthenthecomputerbootsupagain.M:Itsoundslikeitcouldbeahardwareissueoraseveresystemcrash.Haveyouinstalledanynewsoftwarerecently?W:No,nothingnew.M:Alright.Sincethecomputerkeepsrestarting,wewon'tbeabletotroubleshootitremotely.You'llneedtobringitintoourservicecenter.Beforeyoubringit,pleasemakesuretobackupallyourimportantfilesifyoucanmanagetokeepitonlongenough.W:Okay,I'lltrytobackthemup.WhencanIbringitin?M:Weareopenfrom9AMto5PM.Youcandropitofftomorrowmorning,andourtechnicianswillrunafulldiagnostictest.Itusuallytakesabouttwodaystofix.Questions18-20Today,Iwanttotalkabouttheeffectsofcaffeineonthehumanbody.Manyofusrelyonacupofcoffeetokick-startourmorning,butfewunderstandhowcaffeineactuallyworks.Caffeineisacentralnervoussystemstimulant.Whenyouconsumeit,itblockstheactionofaneurotransmittercalledadenosine,whichisresponsibleformakingyoufeelsleepy.Byblockingadenosine,caffeinetemporarilyincreasesyourheartrateandalertness.However,theeffectsarenotalwayspositive.Whileitcanimproveshort-termfocus,itdoesnotimprovelong-termmemory.Infact,excessiveconsumptioncanleadtosleepdisorders.Ifyoudrinkcoffeelateintheday,itcandisruptyourcircadianrhythm,makingitdifficulttofallasleepatnight.Overtime,relyingoncaffeinecanleadtoincreasedtolerance,meaningyouneedmoretoachievethesameeffect.So,whoshouldbeparticularlycareful?Peoplewhoaresensitivetocaffeinemayexperienceanxiety,jitteriness,andanelevatedheartrateevenwithsmallamounts.Fortheseindividuals,itisadvisabletolimitintaketothemorninghoursorswitchtodecaffeinatedalternatives.听力参考答案及解析1.【答案】A【解析】场景判断题。女士提到"sendthispackagebyexpressmail"（寄特快专递），男士回答需要称重并询问邮费，由此可推断对话发生在邮局。选A。2.【答案】B【解析】行为活动题。男士说"seemeoff"（为我送行），并提到"Haveasafeflight"（祝你飞行平安），说明男士即将登机离开，女士在为他送行。选B。3.【答案】B【解析】身份职业题。女士询问附近的好餐厅，男士推荐了主街的海鲜餐厅，并提到"wehaveadiscountarrangementwiththemifyoustayatourhotel"（如果你住在我们酒店，我们有折扣安排），由此可推断男士是酒店职员。选B。4.【答案】B【解析】时间计算题。女士说讲座本应在7:00开始，男士回答"it'salready7:15"（现在已经7:15了）。选B。5.【答案】B【解析】细节推断题。男士说电脑角落有轻微划痕，女士回答这是