广东省梅州市全国英语等级考试（PETS）四级复习试题库(2025年下半年)

广东省梅州市全国英语等级考试（PETS）四级复习试题库(2025年下半年)SectionIListeningComprehension(25minutes)Directions:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.ThereareTHREEpartsinthissection:PartA,PartB,andPartC.Remember,whileyouaredoingthetest,youshouldfirstputdownyouranswersinyourtestbooklet.Attheendofthelisteningcomprehensionsection,youwillhave3minutestotransferyouranswersfromyourtestbookletontoyourANSWERSHEET1.Ifyouhaveanyquestions,youmayraiseyourhandNOWasyouwillnotbeallowedtospeakoncethetesthasstarted.NowlookatPartAinyourtestbooklet.PartADirections:ForQuestions1-5,youwillhearaconversation.Whileyoulisten,completethesentencesoranswerthequestionsabouttheconversation.Usenotmorethan3wordsforeachanswer.Youwillheartherecordingonlyonce.1.Thewomanislookingforajobasa__________________________.2.Shefoundthejobadvertisementinthe__________________________.3.Theinterviewisscheduledfor__________________________thisweek.4.Themansuggestssheshouldbringher__________________________totheinterview.5.Thewomanisworriedaboutherlackof__________________________.[ConversationScript]M:Hi,Sarah.Iheardyouarelookingforanewjob.W:Yes,actually.Iamtryingtofindapositionasamarketingassistant.Ireallywanttogetintothedigitalmediafield.M:Thatsoundspromising.Wheredidyoufindtheopenings?W:MostlyonLinkedIn,butIsawareallyinterestingadinthelocalnewspaperyesterday.M:Oh,really?Whichcompany?W:It’satechstartupcalled"InnovateSolutions."Theyarelookingforsomeonetohelpwiththeirsocialmediacampaigns.M:Youshouldapply.Doyouhaveaninterviewyet?W:IhaveaphonescreeningonThursdayafternoon.M:That’sgreat.Makesureyouhaveyourportfolioready.Theywillwanttoseeexamplesofyourwritingordesignwork.W:Ihavesomesamplesfrommyuniversityprojects.I’mjustabitnervousbecauseIdon’thavemuchfull-timeprofessionalexperience.M:Don’tworryaboutthat.Yourenthusiasmandskillsaremoreimportantrightnow.Justbeyourself.PartBDirections:ForQuestions6-10,youwillheararadiotalkaboutenvironmentalprotection.Whileyoulisten,answerthequestions.Usenotmorethan5wordsforeachanswer.Youwillheartherecordingonlyonce.6.Whatisthemaintopicofthetalk?__________________________7.Howmanytonsofplasticwasteareproducedannuallyaccordingtothespeaker?__________________________8.Whatpercentageofplasticwasteiscurrentlyrecycled?__________________________9.Whatdoesthespeakersuggestconsumersshoulddofirst?__________________________10.Whatistheultimategoalofthenewgovernmentpolicymentioned?__________________________[RadioTalkScript]Goodmorning.Todaywefocusontheglobalplasticcrisis.Itisestimatedthatover400milliontonsofplasticwasteareproducedeveryyearworldwide.Shockingly,lessthan10%ofthisisrecycled.Therestendsupinlandfillsorouroceans.Tocombatthis,expertssuggestamulti-facetedapproach.First,consumersmustreducesingle-useplasticsbychoosingreusablebagsandbottles.Second,industriesmustshifttowardsbiodegradablepackagingmaterials.Thegovernmenthasalsointroducedanewpolicyaimingfora"circulareconomy"whereplasticwasteisminimizedandmaterialsarekeptinuseforaslongaspossible.Thegoalistoachievezeroplasticwastetonatureby2040.PartCDirections:Youwillhearthreedialoguesormonologues.Beforelisteningtoeachone,readthequestionsrelatedtoit.Whilelistening,answereachquestionbychoosingA,B,C,orD.Youwillheareachpieceonlyonce.Questions11-13arebasedonthefollowingdialogueaboutatravelplan.11.Whydoesthemanwanttochangehisflight?[A]Hehasabusinessmeeting.[B]Theticketistooexpensive.[C]Heneedstoattendafamilyemergency.[D]Hewantstotravelfirstclass.12.Whatistheoriginaldeparturedate?[A]May15th.[B]May16th.[C]May17th.[D]May18th.13.Howmuchdoesthemanhavetopayforthechange?[A]Nothing.[B]A$50fee.[C]A$100fee.[D]Thefullpriceofanewticket.[Dialogue1Script]W:DeltaAirlines,customerservice.HowcanIhelpyou?M:Hello,IbookedaflighttoChicagoforMay17th,andIneedtochangeittoMay15th.W:Letmecheckyourreservation.May17th,economyclass.Iseehere.Isthereaspecificreasonforthechange?M:Yes,actually.Mymotherisinthehospital,andIneedtogetthereassoonaspossible.W:Iamverysorrytohearthat.Sincethisisamedicalemergency,wecanwaivethechangefee.Ihaveaseatavailableontheflighttomorrowevening.M:Thatwouldbeperfect.Thankyousomuch.W:You'rewelcome.Ihaverebookedyou.Yournewe-ticketwillbesenttoyouremailshortly.Questions14-16arebasedonthefollowinglectureaboutthehistoryofcoffee.14.Accordingtothelecture,wherewascoffeefirstcultivated?[A]Brazil.[B]Ethiopia.[C]Colombia.[D]Yemen.15.WhendidcoffeehousesbecomepopularinEurope?[A]Inthe9thcentury.[B]Inthe15thcentury.[C]Inthe17thcentury.[D]Inthe19thcentury.16.WhateffectdidcoffeehouseshaveonEuropeansociety?[A]Theycausedsocialunrest.[B]Theyreplacedteaasthemaindrink.[C]Theybecamecentersforintellectualexchange.[D]Theywerebannedbythegovernment.[LectureScript]M:Today,I'dliketodiscussthehistoryofoneoftheworld'smostpopularbeverages:coffee.LegendhasitthatcoffeewasdiscoveredbyagoatherderinEthiopiaaroundthe9thcentury.However,itwasn'tuntilthe15thcenturythatcoffeewasactuallycultivatedinYemen.Fromthere,itspreadtotherestoftheMiddleEast.Bythe17thcentury,coffeehadreachedEurope.CoffeehousesbegantospringupincitieslikeLondon,Paris,andVienna.Theseestablishmentswerenotjustplacestodrinkcoffee;theybecameknownas"PennyUniversities,"wheremencouldengageinintellectualdebates,discusspolitics,andexchangenewsforthepriceofacupofcoffee.Thistraditionofthecoffeehouseasasocialhubcontinuestothisday.Questions17-20arebasedonthefollowingconversationbetweenastudentandaprofessor.17.Whatisthestudent'smainproblem?[A]Hecannotfindthebooksforhisessay.[B]Hedoesnotunderstandtheessaytopic.[C]Heisrunningoutoftimeforhisessay.[D]Hedisagreeswiththeprofessor'sfeedback.18.Whatistheessaytopicabout?[A]ThecausesoftheAmericanCivilWar.[B]TheeconomicimpactoftheIndustrialRevolution.[C]TheroleofwomeninVictorianliterature.[D]TheinfluenceofancientGreekphilosophy.19.Whatadvicedoestheprofessorgive?[A]Tochangethetopiccompletely.[B]Tofocusonanarroweraspect.[C]Toreadmoresecondarysources.[D]Toaskaclassmateforhelp.20.Whenisthefinaldeadline?[A]NextMonday.[B]NextWednesday.[C]Intwoweeks.[D]Attheendofthesemester.[Dialogue2Script]W:ProfessorMiller,doyouhaveamoment?I'mstrugglingwithmyhistoryessay.M:Ofcourse,Tom.Whatseemstobetheissue?W:Thetopicis"TheEconomicImpactoftheIndustrialRevolution."It'sjusttoobroad.I'mtryingtocovereverythingfromagriculturetotextiles,andtheessayisbecomingamess.M:Isee.Youareabsolutelyright;itisamassivetopic.Youcan'tpossiblycoveritallin2000words.W:So,whatshouldIdo?M:Isuggestnarrowingyourfocus.Insteadofthegeneraleconomicimpact,whynotlookspecificallyatthetextileindustryinManchester?Orperhapstheimpactontheworkingclassinaspecificregion?W:Thatmakessense.FocusingonManchesterwouldallowmetogodeeper.M:Exactly.Remember,thedeadlineisnextWednesday.Ifyounarrowyourscopenow,youshouldbeabletofinishontime.SectionIIEnglishUse(30minutes)Directions:Readthefollowingtext.ChoosethebestwordorphraseforeachnumberedblankfromA,B,C,orD.Oneofthemostchallengingaspectsofmodernlifeismanagingthevastamountsofinformationweencounterdaily.Thisphenomenon,oftenreferredtoas"informationoverload,"hassignificantimplicationsforourmentalhealthandproductivity.Thedigitalagehas___21___accesstodata,butithasalsocreatedaparadoxwheremoreinformationleadstolessknowledge.Psychologistsarguethatthehumanbrainhasalimited___22___forprocessinginformation.Whenwearebombardedwithemails,notifications,andnewsupdates,ourcognitiveresourcesbecomedepleted.Thisstateofmentalexhaustion,knownas"decisionfatigue,"can___23___itdifficulttomakeevensimplechoices.___24___,wemayfindourselvesprocrastinatingormakingimpulsivedecisionsjusttorelievethepressure.Tocombatthis,expertsrecommend"digitaldetoxing"or___25___specifictimesofthedaytocheckemailsandsocialmedia.Bysettingboundaries,individualscanregaincontrolovertheirattentionandfocusonwhattruly___26___.Furthermore,itisessentialto___27___thequalityofinformationoverquantity.Criticalthinkingskillsaremoreimportantthanever;wemustlearnto___28___betweencrediblesourcesandmisinformation.Anotherstrategyistopracticemindfulness.Beingpresentinthemomentcanhelpreduceanxietyandimproveconcentration.___29___,mindfulnessexerciseshavebeenshowntoshrinkthebrain's"fightorflight"center,theamygdala.Thisallowsforbetteremotionalregulationandacalmerapproachtohandlinginformation.Ultimately,navigatingtheinformationlandscaperequiresaproactive___30___.Wemustbecuratorsofourowndigitalconsumption,ratherthanpassiverecipients.Bydoingso,wecanharnessthebenefitsofthedigitalworldwithoutbecomingoverwhelmedbyit.21.[A]restricted[B]limited[C]democratized[D]complicated22.[A]capacity[B]volume[C]amount[D]extent23.[A]do[B]make[C]cause[D]render24.[A]Consequently[B]Nevertheless[C]Furthermore[D]Conversely25.[A]designating[B]assigning[C]donating[D]resigning26.[A]matters[B]counts[C]values[D]weighs27.[A]prioritize[B]organize[C]classify[D]arrange28.[A]differ[B]distinguish[C]separate[D]divide29.[A]Forexample[B]Inaddition[C]Inconclusion[D]Ontheotherhand30.[A]attitude[B]behavior[C]strategy[D]tacticSectionIIIReadingComprehension(55minutes)PartADirections:ReadthefollowingtextsandanswerthequestionsbychoosingA,B,C,orD.Text1Theconceptof"emotionalintelligence"(EQ)waspopularizedinthemid-1990sbypsychologistDanielGoleman.UnlikeIQ,whichmeasurescognitiveabilities,EQreferstotheabilitytoidentify,understand,andmanageone'sownemotions,aswellastheemotionsofothers.Inthepast,professionalsuccesswaslargelyattributedtoahighIQandtechnicalskills.However,contemporaryresearchsuggeststhatEQplaysacrucial,ifnotmoreimportant,roleintheworkplace.HighEQisassociatedwithbetterleadershipskills.Leaderswithhighemotionalintelligencecanempathizewiththeirteammembers,navigatecomplexsocialdynamics,andresolveconflictseffectively.Theyareself-awareandcanregulatetheiremotionalresponses,whichpreventsstressfromcloudingtheirjudgment.Incontrast,leaderswithlowEQmaystrugglewithinterpersonalrelationships,leadingtoatoxicworkenvironmentandhighemployeeturnover.Moreover,EQisastrongpredictorofteamperformance.Teamswherememberspossesshighlevelsofemotionalintelligencetendtocommunicatemoreopenlyandtrusteachothermore.Thispsychologicalsafetyallowsforcreativityandinnovation,asmembersarenotafraidtoshareunconventionalideaswithoutfearofridicule.CriticsoftheEQconceptarguethatitisdifficulttomeasureobjectivelyandthatitoverlapswithpersonalitytraits.Whilestandardizedtestsexist,theyrelyonself-reporting,whichcanbebiased.Despitethesecriticisms,thebusinessworldhaslargelyembracedtheconcept.ManycorporationsnowincorporateEQtrainingintotheirleadershipdevelopmentprograms,recognizingthatsoftskillsarejustasvaluableastechnicalexpertise.31.Whatisthemainideaofthepassage?[A]IQisnolongerrelevantinthemodernworkplace.[B]Emotionalintelligenceisvitalforprofessionalsuccessandteamdynamics.[C]DanielGolemanisthemostimportantpsychologistofthe20thcentury.[D]Technicalskillsaretheonlypredictorofjobperformance.32.Accordingtothetext,howdoeshighEQbenefitleaders?[A]Ithelpsthemignoretheirteam'semotionstofocusonwork.[B]Itallowsthemtoavoidalltypesofconflicts.[C]Itenablesthemtounderstandandmanagesocialinteractionseffectively.[D]Itguaranteesapromotiontouppermanagement.33.Whatis"psychologicalsafety"inthecontextofthepassage?[A]Aphysicalsecuritymeasureintheoffice.[B]Theconfidencetoexpressideaswithoutfearofnegativeconsequences.[C]Atypeofinsuranceprovidedbythecompany.[D]Theabilitytosuppressemotionsduringacrisis.34.WhydosomecriticsquestiontheconceptofEQ?[A]Theybelieveemotionsshouldnotbediscussedatwork.[B]Theythinkitisimpossibletoimproveemotionalintelligence.[C]Theyfindthemeasurementmethodssubjectiveandoverlappingwithpersonality.[D]TheyarguethatEQcauseshighemployeeturnover.35.HowhavecorporationsrespondedtotheconceptofEQ?[A]Theyhavedismisseditasunscientific.[B]TheyhavereplacedIQtestswithEQtests.[C]TheyhaveintegratedEQtrainingintotheirdevelopmentprograms.[D]Theyuseittohireonlyyoungemployees.Text2Thesharingeconomy,characterizedbypeer-to-peer(P2P)lendingandassetsharing,hasdisruptedtraditionalindustrieslikehospitalityandtransportation.CompanieslikeUberandAirbnbhavebecomehouseholdnamesbyconnectingindividualswhoneedaservicewiththosewhocanprovideit,oftenatalowercostandwithgreaterconveniencethantraditionalproviders.Thiseconomicmodelreliesheavilyontechnologyplatformstofacilitatetransactionsandbuildtrustbetweenstrangerswhohavenevermet.However,therapidgrowthofthesharingeconomyhassparkedsignificantregulatorydebates.Traditionaltaxiservices,forinstance,arguethatride-sharingappsoperatewithoutadheringtothesameregulationsregardinginsurance,safetychecks,andlicensing.Thiscreatesanunevenplayingfield,theyclaim,wherenewentrantsundercutestablishedbusinessesbyavoidingcompliancecosts.Similarly,thehotelindustryhaspushedforstricterregulationsonshort-termrentals,citingconcernsabouthousingshortagesandnoiseinresidentialneighborhoods.Proponentsofthesharingeconomyarguethatitempowersindividualsbyallowingthemtomonetizeunderutilizedassets,suchasaspareroomoracar.Italsooffersconsumersgreaterchoiceandflexibility.Fromanenvironmentalstandpoint,thesharingeconomycanbebeneficial.Car-sharingservices,forexample,canreducethetotalnumberofvehiclesontheroad,leadingtolowercarbonemissions.Asthesharingeconomymatures,ahybridmodelisemerging.SomejurisdictionsareimplementingnewlawsthatspecificallyaddressP2Pservices,requiringthemtomeetcertainstandardswhilepreservingtheflexibilitythatmakesthempopular.Thefutureofthesharingeconomywilllikelydependonfindingabalancebetweeninnovationandregulation,ensuringthatthebenefitsofthisdisruptiveforcearerealizedwithoutcompromisingpublicsafetyorfairness.36.Whatisthesharingeconomyprimarilybasedon?[A]Largecorporationsowningallassets.[B]Governmentownershipofpublicservices.[C]Peer-to-peertransactionsfacilitatedbytechnology.[D]Traditionallicensingandsafetychecks.37.Whydotraditionaltaxiservicescriticizeride-sharingapps?[A]Theybelievetheappsdonotfollowthesameregulatorystandards.[B]Theythinktheappsaretooexpensive.[C]Theywanttobuythetechnologyplatforms.[D]Theydisliketheconveniencetheappsoffer.38.Whatisapotentialenvironmentalbenefitofthesharingeconomymentionedinthetext?[A]Increasedmanufacturingofnewcars.[B]Reducedcarbonemissionsthroughcar-sharing.[C]Morehotelsbeingbuiltinresidentialareas.[D]Increaseduseoffossilfuels.39.Whatdoestheterm"unevenplayingfield"refertoinparagraph2?[A]Thephysicalconditionofroads.[B]Thecompetitivedisadvantageoftraditionalbusinessesduetoregulatorydifferences.[C]ThedifferenceinpricebetweenUberandLyft.[D]Thegeographicallocationofserviceproviders.40.Whatistheauthor'sviewonthefutureofthesharingeconomy?[A]Itwilleventuallydisappearduetoregulations.[B]Itwillreplacealltraditionalindustriescompletely.[C]Itrequiresabalancebetweeninnovationandregulation.[D]Itshouldbecompletelyunregulatedtomaximizegrowth.Text3Deeplearning,asubsetofartificialintelligence(AI),hasrevolutionizedfieldsrangingfromcomputervisiontonaturallanguageprocessing.Unliketraditionalmachinelearningalgorithmsthatrelyonexplicitprogramming,deeplearningusesneuralnetworkswithmultiplelayerstolearnpatternsfromvastamountsofdata.Thisarchitectureisinspiredbythestructureandfunctionofthehumanbrain,whereneuronsareinterconnectedtoprocessinformation.OneofthemostsignificantbreakthroughsindeeplearningwasthedevelopmentofConvolutionalNeuralNetworks(CNNs).CNNsareparticularlyeffectiveforimagerecognitiontasks.Byapplyingfilterstoinputimages,theycandetectedges,textures,andshapes,progressivelybuildingahigh-levelunderstandingofthevisualcontent.Thistechnologypowersfacialrecognitionsystemsusedinsmartphonesandautonomousvehicles.However,deeplearningisnotwithoutitslimitations.Onemajorchallengeisthe"blackbox"problem.Becausetheinternalworkingsofdeepneuralnetworksarehighlycomplexandnon-linear,itisoftendifficulttoexplainhowthemodelarrivedataspecificdecision.Thislackofinterpretabilityisasignificantbarrierinfieldslikehealthcareandcriminaljustice,whereunderstandingthereasoningbehindadecisioniscritical.Furthermore,deeplearningmodelsaredata-hungry.Theyrequiremassivedatasetstotraineffectively,whichcanbeexpensiveandtime-consumingtocompile.Thereisalsotheissueofbias.Ifthetrainingdatacontainsbiases,themodelwillinevitablylearnandreproducethem,leadingtounfairordiscriminatoryoutcomes.Despitethesechallenges,researchin"explainableAI"(XAI)isgainingmomentum.Scientistsaredevelopingtechniquestomakedeeplearningmodelsmoretransparentandaccountable.Asthetechnologyadvances,deeplearningisexpectedtobecomeevenmoreintegratedintoourdailylives,drivinginnovationacrossvarioussectors.41.Howdoesdeeplearningdifferfromtraditionalmachinelearning?[A]Itrequireslessdatatotrain.[B]Itusesexplicitprogrammingforalltasks.[C]Itusesmulti-layeredneuralnetworkstolearnpatterns.[D]Itisbasedonhumanlogicratherthanbrainstructure.42.WhatistheprimaryfunctionofConvolutionalNeuralNetworks(CNNs)?[A]Toprocessnaturallanguage.[B]Torecognizepatternsinimages.[C]Topredictstockmarkettrends.[D]Tomanagelargedatabases.43.Whatisthe"blackbox"problemindeeplearning?[A]Thedifficultyinstoringlargemodels.[B]Theinabilitytoexplainhowamodelreachesadecision.[C]Thehighcostofhardwarerequired.[D]Thelackofdataavailability.44.Whyisbiasaconcernindeeplearningmodels?[A]Modelscanlearnandperpetuatebiasespresentinthetrainingdata.[B]Programmersintentionallyinsertbiases.[C]Themodelsaretoocomplextodetectbias.[D]Itleadstofasterprocessingtimes.45.Whatisthefocusof"explainableAI"(XAI)?[A]Creatingmorecomplexmodels.[B]Reducingthecostoftraining.[C]MakingAIdecisionsmoretransparentandunderstandable.[D]Replacingdeeplearningwithtraditionalalgorithms.Text4Theconceptof"work-lifebalance"haslongbeentoutedastheidealstateforemployees,suggestinganequaldivisionoftimebetweenprofessionalandpersonallife.However,intoday'shyper-connectedeconomy,wheresmartphoneskeepustetheredtotheoffice24/7,achievingaperfectequilibriumseemsincreasinglyelusive.Someexpertsarguethatthepursuitofwork-lifebalanceisnotonlyunrealisticbutalsopotentiallyharmful.Theysuggestashifttowards"work-lifeintegration."Work-lifeintegrationacknowledgesthatworkandlifearenotseparatesilosbutfluidandinterconnected.Insteadofstrivingforastrict50-50split,thisapproachencouragesindividualstofindaharmonythatworksfortheiruniquecircumstances.Forexample,aparentmightleaveworkearlytoattendaschooleventbutmakeupthetimelaterintheeveningafterthechildrenareasleep.Thisflexibilityrequiresaresults-orientedworkenvironment(ROWE).InaROWE,employeesareevaluatedbasedontheiroutputandperformanceratherthanthenumberofhoursspentattheirdesks.Thisgrantsemployeesautonomyovertheirschedules,allowingthemtomanagetheirpersonalandprofessionalresponsibilitiesinawaythatminimizesstress.Critics,however,warnthatwork-lifeintegrationcanleadtothe"always-on"culture,wheretheboundarybetweenworkandrestdisappearsentirely.Ifworkisintegratedintoeveryaspectoflife,employeesmaynevertrulydisconnect,leadingtoburnout.Theyarguethatclearboundariesareessentialformentalwell-beingandthattheconceptofbalance,whiledifficulttoachieve,servesasanecessarygoaltopreventworkfromconsumingone'sexistence.Ultimately,whetheroneprefersbalanceorintegrationdependsonindividualpersonalityandjobrequirements.Thekeyisfororganizationstofosteracultureoftrustandsupport,allowingemployeestonavigatethesedemandsinahealthyandsustainablemanner.46.Whatisthemaincriticismoftheconceptof"work-lifebalance"?[A]Itistooeasytoachieve.[B]Itisunrealisticandpotentiallyunhelpfulinthemoderneconomy.[C]Itfocusestoomuchonpersonallife.[D]Itisonlysuitableforseniormanagement.47.Howdoes"work-lifeintegration"differfrom"work-lifebalance"?[A]Itrequiresemployeestoworklongerhours.[B]Itviewsworkandlifeasseparateentities.[C]Itseeksafluidharmonyratherthanastrictequalsplit.[D]Itismandatedbygovernmentregulations.48.WhatisacharacteristicofaResults-OrientedWorkEnvironment(ROWE)?[A]Employeesmustworkfixedhours.[B]Performanceismeasuredbyoutput,nothours.[C]Employeesarenotallowedtoworkfromhome.[D]Schedulesarestrictlycontrolledbymanagers.49.Whatisapotentialriskofwork-lifeintegrationmentionedinthetext?[A]Itcanleadtoan"always-on"cultureandburnout.[B]Itreducesproductivityandefficiency.[C]Itcreatesconflictbetweencolleagues.[D]Itisillegalinmanycountries.50.Whatistheauthor'sconclusionregardingworkandlife?[A]Work-lifeintegrationistheonlysolution.[B]Organizationsshouldsupportemployeesinfindingwhatworksbestforthem.[C]Work-lifebalanceisanoutdatedconceptthatshouldbeabandoned.[D]Employeesshouldrefusetocheckemailsoutsideofofficehours.PartBDirections:Readthefollowingtextandanswerthequestionsbycompletingthesentencesoransweringthequestions.Usenotmorethan10wordsforeachanswer.TheGreatBarrierReef,locatedoffthecoastofQueensland,Australia,istheworld'slargestcoralreefsystem.Comprisingover2,900individualreefsand900islands,itstretchesforover2,300kilometers.Visiblefromouterspace,thereefisauniqueecosystemthatsupportsavastdiversityoflife,includingmanyvulnerableorendangeredspecies,someofwhichareendemictothereefsystem.Coralreefsareformedbycoloniesoftinyanimalscalledcoralpolyps.Thesepolypssecretecalciumcarbonatetoformahardexoskeleton,whichprotectstheirsoftbodies.Overtime,theseexoskeletonsaccumulate,buildingthecomplexstructuresofthereef.Thehealthofcoralreefsiscloselytiedtothepresenceofsymbioticalgaecalledzooxanthellae,whichliveinthetissuesofthepolyps.Thealgaeprovidethepolypswithnutrientsproducedthroughphotosynthesis,whilethepolypsprovidethealgaewithaprotectedenvironmentandaccesstosunlight.Inrecentdecades,theGreatBarrierReefhasfacedsignificantthreats,primarilyfromclimatechange.Risingoceantemperaturescause"coralbleaching,"aphenomenonwherecoralsexpelthezooxanthellae,losingtheirprimarysourceoffoodandtheircolor.Ifthestresspersists,thecoralsdie.Massbleachingeventshavebecomemorefrequentandsevere,withthereefexperiencingmajoreventsin2016,2017,and2020.Otherthreatsincludepollutionfromagriculturalrunoff,whichintroducesexcessnutrientsintothewater,leadingtooutbreaksofcrown-of-thornsstarfish.Thesestarfishfeedoncoralpolypsandcandevastatelargeareasofthereef.Overfishingandcoastaldevelopmentalsoposesignificantriskstothereef'sresilience.ConservationeffortsareunderwaytoprotecttheGreatBarrierReef.TheAustraliangovernmenthasimplementedthe"Reef2050Plan,"along-termstrategytoimprovethehealthofthereef.Thisincludesmeasurestoreducewaterpollution,protectbiodiversity,andstrengthenenforcementagainstillegalfishing.However,scientistsarguethatthemostcriticalactionneededisglobalreductionofgreenhousegasemissionstolimitglobalwarming.51.WhereistheGreatBarrierReeflocated?__________________________52.Whatarecoralreefsbuiltfrom?__________________________53.Whatistherelationshipbetweencoralpolypsandzooxanthellae?__________________________54.Whatcausescoralbleaching?__________________________55.Whatisthe"Reef2050Plan"?__________________________SectionIVWriting(45minutes)PartAApplicationLetter(10minutes)Directions:YouhaveseenajobadvertisementforaProjectManageratalocalITcompany.WritealetterofapplicationtotheHRManager.Yourlettershouldinclude:1.Thepositionyouareapplyingfor.2.Yourrelevanteducationalbackgroundandworkexperience.3.Whyyouareinterestedinthisspecificcompany.4.Youravailabilityforaninterview.Youshouldwriteabout100words.Donotsignyourownnameattheendoftheletter.Use"LiMing"instead.Youdonotneedtowritetheaddress.PartBEssay(35minutes)Directions:Forthispart,youareallowedthirty-fiveminutestowriteacompositiononthetopic: