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2020年9月四级听力原文及答案(第一套)SectionA【Newsreportone】ANASAsatelliteorbitingoverPortugaltookphotographsthatrevealtheeffectsofpollutionfromships.OneofthephotosshowsathinfilmofcloudsabovethebrilliantblueofthenorthAtlantic,cutbywhitelinesofthickercloudsthatlooklikescars.(1)NASAofficialsexplainedthosethickercloudsaresignsofshiptrafficbelowwhenshipspowertheirwaythroughtheocean,theypumpexhaustintotheatmosphere.Justascarsdo.Andthosemassiveamountsofparticlescancausecloudstoform,getenoughofthoseparticlesinoneplaceasfromtheexhaustofaship.Andtheycanleadtothecreationofnewcloudseasilyvisiblefromspace.Thesecloudscanbehuge.Someofthemstretchhundredsofkilometersfromendtoend.(2)NASAofficialssaidit’slikelythatthesesortsofcloudsarehavingsomeeffectontheglobalclimate,accordingtoNASAofficials.Butscientistsaren’tyetsurewhateffectithas.questionsoneandtwoarebasedonthenewsreportyouhavejustheard.Questions1to2arebasedonthepassageyouhavejustheard.Question1WhathascausedthethickcloudsinthephotostakenbyaNASAsatellite?Question2WhatdoNASAofficialsthinkaboutthethickclouds?【Newsreporttwo】StaffatasuburbansupermarketinMelbournesaytheyfeelunsafeatworkaftersecurityguardswereremoved.Thiscameafteraseriesofphysicalattacksandverbalabusebycustomers.(3)Morethan50workersatthestorehavesignedalettercallingforapermanentsecurityguardfollowingaseriesofincidents,includingacustomerthreateningtoattackasupervisorwithaknife.Asecurityworkerhadguardatthestormeachnightfromsevenpmuntil12am.ButthathadstoppedsuddenlyonMonday,employeessaid.Oneworkersaidanangrycustomerhadthrownachickenathisheadaftercomplainingabouthowlongshehadwaitedtobeserved.Anotherworkersaidthelackofprotectionatthestormmadeherfeeluncomfortableatwork.(4)However,thespokesmanofthesupermarketsaidthestorehadtakenstrongactioninresponsetoincidents.Wehavefoundveryfewinstancesofbadcustomerbehavioratourstoreinthepastyear.Intherarecases,wehaveseenbadbehavior.Wehavetakenstrongactioninresponse,includingbanningacustomerfromthestore.Questions3to4arebasedonthepassageyouhavejustheard.Question3ForwhatpurposedidthisstaffatasupermarketinMelbournesignaletter?Question4Whatdidthespokesmanofthesupermarketssayregardingtheemployeesdemand?【Newreportthree】(5)DriversontheirwaytothepolishcapitalofWarsawonWednesdaymorningfoundtheroadblockedbyanunusualobstacle.Tonsofliquidchocolatethatspilledontothemotorway.Atruckcarryingthesweetloadhitaroadbarrierandoverturned,blockingtwolanes.(6)Thecrackedtankspilledapoolofarapidlyhardeningchocolate,whichquicklycoveredthewidthoftheroad,whilethedriverwastakentohospitalwithabrokenarm,firefightersstruggledtoremoveareported12tonsofsolidchocolatefromtheroad.(7)ArepresentativeforthefirefighterstoldthelocalTVthatremovingthechocolatewasworsethandealingwithsnow.Aftercontactingthechocolatemanufacturer,thefirefightersresortedtosprayinghot,pressurizedwatertogetridofthestickysubstance.ThelocalTValsonotedthatthecleanupspannedmorethanaMilebecausedriverssimplydrovethroughthechocolateafterthecrash,leavingalongchocolatetrail.Butdespitethestickysituation,firefightersandpoliceattendingtothecleanupwerereportedlycheerfulaboutthelongtaskahead.Afterall,whocouldbemadabout12tonsofchocolate?Questions5to7arebasedonthepassageyouhavejustheard.Question5WhatdoesdriversonthemotorwaytoWarsawfind?Question6Whatdoesthereportsayabouttheaccident?Question7WhatarethefirefightersrepresentativetellthelocalTV?SectionB【Conversationone】M:Lisa,whydidyoupayforyourmealwithcashinsteadofthepaymentappsonyourphone?W:Well,I’vegonebacktocash.I’monlyusingpaymentappsifthat’stheonlyoption.（8）Iamtryingtosavemoneyforanewphone.AndIfindthatusingcashratherthanpaymentappshelpsmetosave.M:Buthow?Moneyismoney,isn’tit?Idon’tthinkitmatterswhetheryoutakeitoutofthebankandputitinyourwalletwillsimplytransferfromyourbankaccounttotheseller’sbankaccountusinganapp.W:No,Ibelieveitdoesmatter.It’sapsychologicalphenomenon.[9]Ibelievewehavelessconnectionwiththevalueofourmoneywhenwejusthavetheapprovedbuttonsonourphones.M:Youmighthaveapoint.SinceIstoppedcarryingcasharoundandstartedusingmyphoneappstopay,[10]Imayhavedevelopedatendencytobuymoresmallornonessentialitems.W:That’shighlypossible.Thinkabouttheamountoftimewespendwithourphonesinourhandsandallthethingswedowithourphones.Itsometimesseemsthatourphoneisbuyingtheproductforus,notourselves.M:[11]Socashlesspaymentaffectsourabilitytobudget?W:Ibelieveso.Ifwespendahundredyuanincash,werealizethatwedon’thavethathundredyuantospendonsomethingelse.Butifwe’respendingelectronically,wearelesslikelytomakethatmentalcalculation.M:IstoppedusingmycreditcardbecauseIfoundoutspendingexcessively,perhapsIshouldtakethesameapproachofpayingusingmyphone.W:It’sworthconsidering.Questions8to11arebasedontheconversationyouhavejustheard.Question8.Whydidthewomandecidetogobacktocashforpayment?Question9.Whathappenswhenpeopleusethatforpaymentaccordingtothewoman?Question10.Whatmightthemantendtobuywithpaymentapps?Question11.Whatdoesthemanthinkofelectronicpayment?【ConversationTwo】W:Hello,Mr.Brown.Iwasexpectingyourcall.[12]Mysecretarytoldmeyouwerehavingsomeproblemswiththewoodentabl