江门市2025年下半年全国英语等级考试（PETS）三级练习试题库

江门市2025年下半年全国英语等级考试（PETS）三级练习试题库第一部分听力理解Directions:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.ThereareTHREEpartsinthissection:PartA,PartB,andPartC.Remember,whileyouaredoingthetest,youshouldfirstputdownyouranswersinyourtestbooklet.Attheendofthelisteningcomprehensionsection,youwillhave5minutestotransferallyouranswersfromyourtestbooklettoANSWERSHEET1.Ifyouhaveanyquestions,youmayraiseyourhandNOWasyouwillnotbeallowedtospeakoncethetesthasstarted.NowlookatPartAinyourtestbooklet.PartADirections:Youwillhear10shortdialogues.Foreachdialogue,thereisonequestionandfourpossibleanswers.ChoosethecorrectanswerA,B,CorD,andmarkitinyourtestbooklet.YouwillheareachdialogueONLYONCE.1.M:I’mreallytiredofthiscoldweather.Iwishwecouldgotothebeachtoday.W:I’dloveto,butIhaveahugepileofpaperworktofinishforthemeetingtomorrow.Question:Whatdoesthewomanimply?A.Shewantstogotothebeach.B.Shehastofinishherwork.C.Shehatesthecoldweather.D.Sheistiredofthemeeting.2.W:Excuseme,couldyoutellmewhenthenexttraintoLondonarrives?M:It’sscheduledfor10:30,butthere’satwenty-minutedelayannounced.Question:Whenwillthetrainarrive?A.10:10.B.10:30.C.10:50.D.10:40.3.M:Thecoffeeinthisrestaurantisdelicious.Howmuchisacup?W:It’s3.00fQuestion:Howmuchdoesthemanpayifhebuystwolargecups?A.$6.00.B.$7.50.C.$9.00.D.$8.50.4.W:Iheardyougotapromotion.Congratulations!M:Thanks,butitmeansIhavetoworklongerhoursandtravelmoreoften.Question:Howdoesthemanfeelabouthispromotion?A.Excited.B.Indifferent.C.Mixedfeelings.D.Angry.5.M:Didyoumanagetofixthecomputer?W:Itriedeverything,butIthinkIneedtocallaprofessional.Question:Whatdoesthewomanmean?A.Shefixedthecomputer.B.Sheneedshelp.C.Sheisaprofessional.D.Thecomputerisfine.6.W:Ican’tfindmykeysanywhere.Irememberputtingthemonthetable.M:Haveyoucheckedyourbag?Sometimesweputthingsintherewithoutthinking.Question:Whatdoesthemansuggest?A.Lookingonthetable.B.Checkingthebag.C.Buyinganewkey.D.Thinkingharder.7.M:Themoviestartsat7:00.Weshouldleavenowtoavoidtraffic.W:Don’tworry,it’saholiday.Theroadsshouldbeclear.Question:Whatdoesthewomanassume?A.Therewillbeheavytraffic.B.Theywillbelate.C.Trafficwillbelight.D.Themovieiscancelled.8.W:I’mthinkingofbuyinganewcar.Anyrecommendations?M:Well,itdependsonyourbudget.Ifyouwantsomethingfuel-efficient,I’dsuggestahybrid.Question:Whatfactordoesthemanmention?A.Color.B.Budget.C.Brand.D.Speed.9.M:I’mgoingtothelibrarytoreturnsomebooks.Doyouwanttocome?W:Iwould,butIhavetowaitforapackagedelivery.Question:Whycan’tthewomangowiththeman?A.Shehastoreadbooks.B.Sheiswaitingforapackage.C.Shedoesn’tlikethelibrary.D.Shehastogotothepostoffice.10.W:Thesaladtastesabitbland.Didyouforgetthedressing?M:Ohno,Ileftitinthefridge.I’llgogetit.Question:Whatistheproblemwiththesalad?A.Itiscold.B.Itissalty.C.Itlacksflavor.D.Itisold.PartBDirections:Youwillhear4conversationsortalks.Beforelisteningtoeachone,youwillhave5secondstoreadeachofthequestionswhichaccompanyit.Whilelistening,answereachquestionbychoosingA,B,CorD.Afterlistening,youwillhave10secondstocheckyouranswertoeachquestion.YouwillheareachpieceONLYONCE.Questions11-13arebasedonthefollowingconversation.11.Whatisthemainpurposeoftheman’svisit?12.Howlonghasthemanhadthebackpain?13.Whatdoesthedoctoradvisethemantodo?ConversationTranscript:Doctor:Goodmorning,Mr.Smith.Whatseemstobetheproblemtoday?Man:Goodmorning,Doctor.I’vebeenhavingthisterriblepaininmylowerbackforaboutaweeknow.It’sespeciallybadwhenIsitforalongtime.Doctor:Isee.Haveyouhadanyinjuriesrecently?Maybeliftingsomethingheavy?Man:Well,IdidhelpmyfriendmovesomefurniturelastSaturday.Ifeltasharppainrightafterliftingasofa.Doctor:Thatexplainsit.It’slikelyamusclestrain.Irecommendyoutakesomeanti-inflammatorymedicationandapplyheattothearea.Also,trytorestandavoidheavyliftingforafewdays.Man:Okay.DoIneedanX-ray?Doctor:Notatthisstage.Ifthepaindoesn'tgoawayinaweek,comebackandwe’llrunsometests.Hereisaprescriptionforthepain.Man:Thankyou,Doctor.Questions14-16arebasedonthefollowingconversation.14.Whatisthewomandoing?15.Whydoesthemanhesitate?16.Whatdotheydecidetodointheend?ConversationTranscript:Woman:Lookatthistravelbrochure!ThetriptotheMaldiveslooksamazing.Fivedaysonaluxuryisland.Man:Itdoeslookbeautiful,butisn'titabitoutofourpricerangerightnow?Wearesavingforanewhouse.Woman:Iknow,butwehaven'thadapropervacationinthreeyears.Maybewecancutbackonotherexpensesforacoupleofmonths.Man:That’strue.We’vebeenworkingsohardlately.Howmuchisitperperson?Woman:Itsayshere,$1,200forthepackage,includingflightsandbreakfast.Man:Hmm,thatisactuallyquitereasonable.Ifwebookitthismonth,theremightbeadiscount.Woman:Exactly!Let’sdoit.Weneedabreak.Questions17-20arebasedonthefollowingtalk.17.Whatisthespeakermainlydiscussing?18.Accordingtothespeaker,whatisabenefitofworkingfromhome?19.Whatisachallengementioned?20.Whoisthetargetaudienceofthistalk?TalkTranscript:Goodmorningeveryone.TodayI’dliketotalkaboutthefutureofremotework.Overthepastfewyears,we’veseenamassiveshiftinhowcompaniesoperate.Remoteworkisnolongerjustaperk;it’sbecomingastandardpractice.Thebenefitsareclear:employeesenjoybetterwork-lifebalance,andcompaniescansaveonofficespacecosts.However,it’snotwithoutchallenges.Communicationcansometimessuffer,andfeelingsofisolationarecommonamongremoteworkers.Tosucceedinthisenvironment,weneedtoembracedigitaltoolsandestablishclearboundariesbetweenworkandpersonallife.Asmanagers,yourroleistosupportyourteamsthroughthistransition,ensuringtheyremainconnectedandproductive.Questions21-25arebasedonthefollowingtalk.21.Whatisthetopicofthelecture?22.WhenwasthefirstEarthDaycelebrated?23.Whatisthe"GreenhouseEffect"?24.Whatpercentageoftheworld'senergycomesfromfossilfuels?25.Whatdoesthespeakerencouragetheaudiencetodo?TalkTranscript:WelcometoEnvironmentalScience101.Today'slecturefocusesonclimatechange.TheEarth'sclimatehaschangedthroughouthistory,butcurrentwarmingisoccurringataratethatisunprecedentedoverthepast10,000years.Thisislargelyduetothegreenhouseeffect,wheregaseslikecarbondioxidetrapheatintheatmosphere.ThefirstEarthDaywascelebratedin1970,markingthebirthofthemodernenvironmentalmovement.Currently,approximately80%oftheworld'senergycomesfromfossilfuels,whicharetheprimarysourceoftheseemissions.Iencourageeachofyoutocalculateyourcarbonfootprintandlookforwaystoreduceit,whetherbyusingpublictransportorreducingenergyconsumptionathome.第二部分英语知识运用Directions:Readthefollowingtext.ChoosethebestwordorphraseforeachnumberedblankandmarkA,B,C,orDonyourANSWERSHEET1.Text:Thedevelopmentoftheinternethasrevolutionizedthewaywecommunicate,work,andaccessinformation.However,thistechnologicaladvancementhasalsobroughtaboutsignificantchallenges.Oneofthemostpressingissuesistheimpactofsocialmediaonmentalhealth,particularlyamongteenagers.Studieshaveshownthatexcessiveuseofsocialmediaplatformscanleadtofeelingsofanxietyanddepression.(26)_______theseplatformsaredesignedtoconnectpeople,theyoftencreateasenseofisolation.Userstendtocomparetheirliveswiththecuratedimagesofothers,leadingtofeelingsofinadequacy.(27)_______theconstantneedforvalidationthrough"likes"andcommentscanbecomeaddictive.Furthermore,thespreadofmisinformationisanothercriticalproblem.Fakenewscanspread(28)_______wildfire,causingpublicconfusionandpanic.Unliketraditionalmedia,whichusuallyhaseditorialoversight,socialmediaallowsanyonetopublishcontentwithout(29)_______.Thislackofregulationmakesitdifficultforuserstodistinguishbetweenfactandfiction.Despitethesedrawbacks,theinternetremainsanindispensabletool.Itprovidesaccesstoeducationalresources,allowsforremotework,andfacilitatesglobalcommunication.Thekeyliesin(30)_______digitalliteracy.Usersneedtobeeducatedonhowtocriticallyevaluatetheinformationtheyencounteronlineandhowtousetheseplatformsresponsibly.Parentsandeducatorsplayacrucialroleinthisprocess.Bysettingboundariesandteachingyoungpeopleaboutthepotentialdangersoftheonlineworld,wecanhelpthemnavigatethedigitallandscapesafely.(31)_______,technologycompaniesmustalsotakeresponsibilityandimplementmeasurestoprotecttheirusers.Inconclusion,whiletheinternethastransformedourlivesforthebetterinmanyways,itisessentialtoremain(32)_______ofitsrisks.Bypromotingresponsibleusageandimplementingeffectiveregulations,wecanmitigatethenegativeimpactsandharnessthefullpotentialofthispowerfultechnology.26.A.AlthoughB.BecauseC.SinceD.Unless27.A.HoweverB.ThereforeC.MoreoverD.Nevertheless28.A.asB.likeC.soD.such29.A.restrictionB.confirmationC.verificationD.limitation30.A.promotingB.preventingC.delayingD.ignoring31.A.AdditionallyB.ConsequentlyC.ConverselyD.Initially32.A.ignorantB.vigilantC.indifferentD.optimistic(33-40)[Continuingthetextwithsimilarcomplexity]...Anotheraspecttoconsideristhedigitaldivide.Noteveryonehasequalaccesstotheinternet.(33)_______areas,inparticular,oftenlackthenecessaryinfrastructure.Thisinequalitylimitsopportunitiesforeducationandeconomicgrowthforthoselivingintheseregions.Bridgingthisgaprequiressignificantinvestmentand(34)_______fromgovernmentsandprivatesectorsalike.Cybersecurityisalsoamajorconcern.Aswerelymoreondigitalservices,theriskofdatabreachesincreases.Personalinformation,financialdetails,andevennationalsecuritysecretscanbe(35)_______byhackers.Strongpasswordsandtwo-factorauthenticationarebasicstepsindividualscantaketoprotectthemselves.However,organizationsneedrobustsecuritysystemsto(36)_______sensitivedata.Thefutureoftheinternetwilllikelybeshapedbyemergingtechnologiessuchasartificialintelligence(AI)andtheInternetofThings(IoT).Theseinnovationspromisetomakeourlivesevenmoreconvenient.(37)_______smarthomestoautonomousvehicles,thepossibilitiesareendless.However,theyalsoraiseethicalquestionsaboutprivacyandcontrol.Wemustensurethatasweintegratethesetechnologiesintoourdailylives,wedonotloseourfundamentalrights.Thedebatearounddataprivacyanduserconsentismorerelevantthanever.LawsliketheGeneralDataProtectionRegulation(GDPR)inEuropearestepsintherightdirection,butglobal(38)_______isneeded.Ultimately,theinternetisareflectionofsocietyitself,containingboththebestandtheworstofhumanpotential.Itisuptoustoshapeitsfuture.Byfosteringacultureofrespect,safety,andinclusivity,wecanensurethatthedigitalworldremainsaspaceforpositive(39)_______.Thechallengeisgreat,buttherewardsofaconnectedandinformedglobalcommunityare(40)_______.33.A.UrbanB.RuralC.IndustrialD.Coastal34.A.competitionB.hesitationC.cooperationD.separation35.A.createdB.stolenC.deletedD.ignored36.A.shareB.analyzeC.safeguardD.publish37.A.FromB.WithC.ForD.By38.A.cooperationB.warmingC.tradeD.travel39.A.growthB.declineC.silenceD.argument40.A.negligibleB.invisibleC.significantD.temporary第三部分阅读理解Directions:Readthefollowingtexts.AnswerthequestionsoneachtextbychoosingA,B,C,orD.MarkyouranswersonANSWERSHEET1.Text1Theconceptofemotionalintelligence(EQ)hasgainedsignificanttractioninrecentyears,particularlyinthefieldsofbusinessandleadership.Whiletraditionalintelligence(IQ)focusesoncognitiveabilitieslikelogicalreasoningandmathematicalskills,EQencompassestheabilitytorecognize,understand,andmanageone'sownemotions,aswellastheemotionsofothers.ResearchsuggeststhatindividualswithhighEQtendtobebetterleaders.Theyaremoreempathetic,whichallowsthemtobuildstrongerrelationshipswiththeirteammembers.Inhigh-pressuresituations,insteadofreactingimpulsively,theyremaincalmandcomposed.Thisstabilityhelpstomaintainteammoraleandfocusduringcrises.Moreover,EQisnotastatictrait;itcanbedevelopedovertime.Trainingprogramsthatfocusonself-awareness,self-regulation,andsocialskillshaveshownpromisingresults.Companiesareincreasinglyinvestinginsuchprograms,recognizingthataworkforcewithhighemotionalintelligenceleadstoamorecollaborativeandproductiveenvironment.41.WhatisthemaindifferencebetweenIQandEQ?A.IQisaboutemotions,whileEQisaboutlogic.B.IQisaboutcognitiveabilities,whileEQisaboutemotionalmanagement.C.EQismoreimportantthanIQineveryfield.D.IQcanbedeveloped,butEQcannot.42.WhyareindividualswithhighEQconsideredbetterleaders?A.Theyhavehigherlogicalreasoningskills.B.Theyarebetteratmathematics.C.Theyareempatheticandcalmunderpressure.D.Theyreactimpulsivelyincrises.43.Accordingtothetext,howcanEQbechanged?A.Itisastatictraitthatcannotchange.B.Itcanbedevelopedthroughtraining.C.Itdecreaseswithage.D.Itisdeterminedbygenetics.44.WhatisthebenefitofaworkforcewithhighEQ?A.Morecompetitiveenvironment.B.Higherturnoverrates.C.Morecollaborationandproductivity.D.Lessneedformanagement.45.Whatisthebesttitleforthispassage?A.TheImportanceofIQB.UnderstandingEmotionalIntelligenceC.HowtoBeaGoodLeaderD.BusinessTrainingProgramsText2Renewableenergysources,suchaswind,solar,andhydroelectricpower,areessentialforcombatingclimatechange.Unlikefossilfuels,whichreleaseharmfulgreenhousegaseswhenburned,renewablesproducelittletonoemissionsduringoperation.Thetransitiontoagreeneconomyisunderway,butitfacesseveralhurdles.Onemajorchallengeisintermittency.Thesundoesnotalwaysshine,andthewinddoesnotalwaysblow.Thismeansthatrenewableenergygenerationisnotconstant.Toaddressthis,advancementsinenergystoragetechnology,suchasbatteries,arecrucial.Efficientstorageallowsexcessenergygeneratedduringpeaktimestobestoredandusedwhengenerationislow.Anotherissueiscost.Whilethecostofrenewableenergyhasdroppedsignificantlyoverthepastdecade,theinitialinvestmentforinfrastructurecanstillbehigh.However,whenconsideringthelong-termenvironmentalandhealthcostsoffossilfuels,renewablesoftenprovetobethemoreeconomicalchoice.Governmentsaroundtheworldareimplementingpoliciestoacceleratethistransition.Subsidies,taxincentives,andcarbonpricingaretoolsusedtoencourageinvestmentingreenenergy.Thegoalistoreachnet-zeroemissionsbythemiddleofthecentury,atargetthatrequiresurgentandconcertedglobaleffort.46.Whatistheprimaryadvantageofrenewableenergymentionedinthetext?A.Itischeaperthanfossilfuels.B.Itisconstantandreliable.C.Itproduceslittletonoemissions.D.Itrequiresnoinfrastructure.47.Whatdoestheterm"intermittency"referto?A.Thehighcostofrenewables.B.Theinconsistencyofenergygeneration.C.Thepollutioncausedbybatteries.D.Thelackofgovernmentsupport.48.Howcantheproblemofintermittencybesolved?A.Bybuildingmorefossilfuelplants.B.Byusingenergystoragetechnology.C.Byonlyusingenergyatnight.D.Byreducingenergyconsumption.49.Whyistheinitialinvestmentforrenewablesconsideredahurdle?A.Itistooexpensiveforanygovernment.B.Thetechnologyisnotavailable.C.Infrastructurecostscanbehighupfront.D.Itdoesnotyieldanyreturn.50.IfweconsidertheformulaforTotalCost=+A.High,butlower.B.Low,buthigh.C.Highandhigh.D.Allcostsareequaltofossilfuels.Text3Thegigeconomyreferstoalabormarketcharacterizedbytheprevalenceofshort-termcontractsorfreelancework,asopposedtopermanentjobs.PlatformslikeUber,Airbnb,andFiverrhavepopularizedthismodel,connectingserviceprovidersdirectlywithconsumers.Proponentsofthegigeconomyarguethatitoffersflexibility.Workerscanchoosewhen,where,andhowmuchtheywork.Thisautonomyisparticularlyattractivetostudents,parents,orthoseseekingabetterwork-lifebalance.Forbusinesses,hiringgigworkerscanbemorecost-effective,astheydonothavetoprovidebenefitslikehealthinsuranceorpaidleave.However,criticspointoutthedownsides.Thelackofjobsecurityisasignificantconcern.Incomecanbeunpredictable,fluctuatingbasedondemand.Furthermore,gigworkersareoftenclassifiedasindependentcontractors,meaningtheylackthelegalprotectionsandbenefitsaffordedtofull-timeemployees.Thiscanleadtofinancialinstabilityandalackofcareerprogressionopportunities.Asthegigeconomygrows,regulatorsaregrapplingwithhowtoupdatelaborlawstoprotecttheseworkerswhilepreservingtheflexibilitythatdefinesthemodel.Somecountrieshavestartedtoimplementlawsthatrequiregigplatformstoprovidecertainbenefits,blurringthelinebetweencontractorsandemployees.51.Whatdefinesthegigeconomy?A.Long-termgovernmentcontracts.B.Permanentfull-timeemployment.C.Short-termcontractsandfreelancework.D.Manufacturingjobs.52.Whatisthemainadvantageforworkersinthegigeconomy?A.Highsalary.B.Jobsecurity.C.Flexibilityandautonomy.D.Healthinsurance.53.Whydobusinessespreferhiringgigworkersaccordingtothetext?A.Theyaremoreskilled.B.Itisoftenmorecost-effective.C.Theystaylonger.D.Theyrequirelesstraining.54.Whatisamajorcriticismofthegigeconomy?A.Itofferstoomuchfreedom.B.Lackofjobsecurityandbenefits.C.Itisbadforconsumers.D.Itreducesglobaltrade.55.Howareregulatorsrespondingtothegigeconomy?A.Banningallgigplatforms.B.Ignoringtheissuecompletely.C.Updatinglaborlawstobalanceprotectionandflexibility.D.Forcingeveryonetobecomefull-timeemployees.Text4Spaceexplorationhasalwayscaptivatedthehumanimagination.FromthemoonlandingtothedeploymentofroversonMars,theseachievementsrepresentthepinnacleofhumaningenuity.However,spaceexplorationisnotjustaboutplantingflags;ityieldstangiblescientificandeconomicbenefits.Satellites,forinstance,playavitalroleinourdailylives.Theyenableglobalcommunication,weatherforecasting,andnavigationsystemslikeGPS.Thedatacollectedbysatelliteshelpsfarmersmonitorcrophealthandscientiststrackclimatechange.Furthermore,thetechnologydevelopedforspaceoftenfindsapplicationsonEarth.MemoryfoamandwaterfiltrationsystemsarejusttwoexamplesofNASAspinofftechnologies.Inrecentyears,theprivatesectorhasenteredthespacerace.CompanieslikeSpaceXandBlueOriginaredrivingdownthecostoflaunchingpayloadsintospace.Thiscommercializationisopeningupnewpossibilities,suchasspacetourismandtheminingofasteroidsforrareminerals.Lookingahead,theprospectofestablishingahumansettlementonMarsisasubjectofintensedebate.Whileitpresentsimmensetechnicalandphysiologicalchallenges,italsoservesasabackupplanforhumanity.Proponentsarguethatbecomingamulti-planetaryspeciesensuresthelong-termsurvivalofhumancivilization.56.Besidesplantingflags,whatdoesspaceexplorationprovide?A.Onlyentertainmentvalue.B.Tangiblescientificandeconomicbenefits.C.Nothingbutemptyrocks.D.Politicalpoweronly.57.Howdosatellitesassistfarmers?A.Byplantingseedsautomatically.B.Bymonitoringcrophealth.C.Byharvestingcrops.D.Byprovidingwater.58.Whatis"spinofftechnology"?A.Technologyusedonlyinspace.B.TechnologydevelopedforspacethatislaterusedonEarth.C.Technologythatfailedinspace.D.Technologydevelopedbytoycompanies.59.Whatistheimpactoftheprivatesectoronspaceexploration?A.Ithasincreasedcostssignificantly.B.Ithasstoppedallgovernmentmissions.C.Itisdrivingdownlaunchcostsandenablingnewventures.D.Ithasnoimpact.60.WhydosomepeoplesupportahumansettlementonMars?A.Tofindaliens.B.ToescapeEarth'sgravityimmediately.C.Toensurethelong-termsurvivalofhumanity.D.Totestnewweapons.第四部分写作PartADirections:Readthefollowingletter.SupposeyouareLiMing.Writeareplytotheletterinabout100words.Donotsignyourownnameattheendoftheletter.Use"LiMing"instead.Donotwritetheaddress.LetterfromFriend:DearLiMing,Ihaven'theardfromyouforawhile.Howareyoudoing?IamplanningtovisitJiangmennextmonthandIwaswonderingifyoucouldshowmearound.Iknowyouarebusywithyourwork,butIwouldreallyappreciateitifwecouldmeetup.Lookingforwardtoyourreply.Bestregards,ZhangWeiPartBDirections:Forthispart,youareallowed30minutestowriteacompositiononthetopicTheImportanceofContinuousLearning.Youshouldwriteatleast120words,andbaseyourcompositionontheoutlinegivenbelow:1.Therapiddevelopmentofsocietyrequirescontinuouslearning.2.Benefitsofcontinuouslearning(careeradvancement,personalgrowth).3.Howtoachievecontinuouslearning.参考答案及解析第一部分听力理解1.B解析：女士说她有大量的文书工作要完成，暗示她不能去海滩。2.C解析：火车原定10:30，延误20分钟，所以10:50到达。3.C解析：大杯4.50，4.C解析：男士说“Thanks”（感谢），但也提到要工作更长时间、出差更多，说明心情复杂。5.B解析：女士说她试了一切，觉得需要找专业人士，暗示她需要帮助。6.B解析：男士建议检查包里。7.C解析：女士说因为是假期，路况应该很畅通。8.B解析：男士提到取决于预算。9.B解析：女士说她得等包裹。10.C解析：沙拉tastesbland（味道清淡），即缺乏风味。PartB11.C解析：男士背痛，是来看病的。12.B解析：男士说背痛持续了大约一周。13.C解析：医生建议吃药、热敷、休息。14.A解析：女士在看旅游宣传册，想去旅行。15.B解析：男士犹豫是因为他们在存钱买房，觉得太贵。16.C解析：最后他们决定预订旅行。17.D解析：演讲主要讨论远程工作的未来。18.A解析：提到的好处是更好的工作生活平衡。19.B解析：提到的挑战是沟通受阻和孤独感。20.C解析：演讲对象是管理者。21.B解析：讲座主题是气候变化。22.