2015年6月大學英語四級考試真題及答案（第3套）PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteanessaybasedonthepicturebelow.Youshouldstartyouressaywithabriefdescriptionofthepictureandthencommentonthiskindofmodernlife.Youshouldwriteatleast120wordsbutnomorethan180words.Inthepicture,wecanseeayoungmansittinginfrontofacomputer,engrossedinhisdigitalworld.Therearevariouselectronicdevicesaroundhim,andheseemstobecutofffromthereal-worldaroundhim.Heissoabsorbedinthevirtualworldthathepaysnoattentiontothebeautifulsceneryoutsidethewindow.Thispicturereflectsacommonphenomenoninmodernlife.Withtherapiddevelopmentoftechnology,peoplearemoreandmoredependentonelectronicdevices.Weusesmartphones,tabletsandcomputerstowork,study,entertainandcommunicate.Whilethesedevicesbringusconvenience,theyalsomakeusisolatedfromtherealworld.Wemissthejoysofface-to-facecommunication,thebeautyofnatureandthewarmthoffamilygatherings.Inconclusion,weshouldstrikeabalancebetweenthevirtualandtherealworld.Weshouldmakegooduseoftechnology,butalsonotforgettoexperiencethereallifearoundus.PartIIListeningComprehension(25minutes)SectionADirections:Inthissection,youwillhearthreenewsreports.Attheendofeachnewsreport,youwillheartwoorthreequestions.Boththenewsreportandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.NewsReportOneAnewstudyhasfoundthatthenumberofAfricanelephantshasdroppedsharplyinthepastdecade.Researchersusedaerialsurveystocounttheelephantsin18countries.TheyfoundthatthepopulationofAfricanelephantshasdeclinedby30%from2006to2015.Themainreasonforthisdeclineispoaching.Poacherskillelephantsfortheirivorytusks,whicharehighlyvaluedontheblackmarket.Inaddition,habitatlossduetohumanactivitiesalsocontributestothedeclineoftheelephantpopulation.Questions1and2arebasedonthenewsreportyouhavejustheard.1.Whatisthemainfindingofthenewstudy?A)ThenumberofAfricanelephantshasincreased.B)ThenumberofAfricanelephantshasdroppedsharply.C)ThenumberofAsianelephantshasdroppedsharply.D)ThenumberofAsianelephantshasincreased.Answer:BAnalysis:Thenewsclearlystatesthat“AnewstudyhasfoundthatthenumberofAfricanelephantshasdroppedsharplyinthepastdecade.”2.WhatisthemainreasonforthedeclineoftheAfricanelephantpopulation?A)Habitatloss.B)Naturaldisasters.C)Poaching.D)Disease.Answer:CAnalysis:Itismentionedthat“Themainreasonforthisdeclineispoaching.”NewsReportTwoAmajorfirebrokeoutinalargeshoppingmallinthecitycenterlastnight.Thefirestartedonthesecondfloorofthemallandquicklyspreadtootherfloors.Firefightersrushedtothesceneandmanagedtocontrolthefireafterseveralhoursofhardwork.However,themallsufferedseveredamage.Manyshopsandrestaurantsweredestroyed.Fortunately,therewerenoreportedcasualtiesasthemallwasclosedatthetimeofthefire.Thecauseofthefireisstillunderinvestigation.Questions3and4arebasedonthenewsreportyouhavejustheard.3.Wheredidthefirebreakout?A)Inalargefactory.B)Inalargehospital.C)Inalargeshoppingmall.D)Inalargeschool.Answer:CAnalysis:Thenewsbeginswith“Amajorfirebrokeoutinalargeshoppingmallinthecitycenterlastnight.”4.Werethereanycasualtiesinthefire?A)Yes,thereweremanycasualties.B)Yes,therewereafewcasualties.C)No,therewerenoreportedcasualties.D)Thenewsdidn'tmentionit.Answer:CAnalysis:Thenewssays“Fortunately,therewerenoreportedcasualtiesasthemallwasclosedatthetimeofthefire.”NewsReportThreeScientistshavediscoveredanewplanetoutsideoursolarsystem.Theplanet,namedKepler-452b,isabout1,400light-yearsawayfromEarth.ItissimilarinsizetoEarthandorbitsastarsimilartoourSun.ScientistsbelievethatKepler-452bmayhavetherightconditionstosupportlife.However,moreresearchisneededtoconfirmthis.Questions5and6arebasedonthenewsreportyouhavejustheard.5.Whathavescientistsdiscovered?A)Anewstaroutsideoursolarsystem.B)Anewplanetoutsideoursolarsystem.C)Anewmoonoutsideoursolarsystem.D)Anewgalaxyoutsideoursolarsystem.Answer:BAnalysis:Thenewsstartswith“Scientistshavediscoveredanewplanetoutsideoursolarsystem.”6.WhatdoscientistsbelieveaboutKepler-452b?A)Itistoohottosupportlife.B)Itistoocoldtosupportlife.C)Itmayhavetherightconditionstosupportlife.D)Ithasnoatmosphere.Answer:CAnalysis:Thenewsstates“ScientistsbelievethatKepler-452bmayhavetherightconditionstosupportlife.”SectionBDirections:Inthissection,youwillheartwolongconversations.Attheendofeachconversation,youwillhearfourquestions.Boththeconversationandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.ConversationOneM:Hi,Linda.Howareyoutoday?W:Notbad,Tom.I'mjustalittlebusythesedays.M:Whatareyoubusywith?W:I'mpreparingforanimportantexamnextweek.M:Oh,Isee.Whatkindofexamisit?W:It'saprofessionalcertificationexam.IfIpassit,itwillbeveryhelpfulformyfuturecareer.M:Soundsgreat.Howdoyouprepareforit?W:I'vebeenreadingalotofbooksandtakingonlinecourses.Ialsoplantodosomemockexamsthisweekend.M:That'sagoodway.I'msureyou'llpassit.W:Thankyou.Ireallyhopeso.Questions7to10arebasedontheconversationyouhavejustheard.7.WhyisLindabusythesedays?A)Sheispreparingforaparty.B)Sheispreparingforanexam.C)Sheisworkingonaproject.D)Sheisgoingonatrip.Answer:BAnalysis:Lindasays“I'mpreparingforanimportantexamnextweek.”8.Whatkindofexamisit?A)Aschoolexam.B)Adrivingexam.C)Aprofessionalcertificationexam.D)Alanguageexam.Answer:CAnalysis:Shementions“It'saprofessionalcertificationexam.”9.HowdoesLindapreparefortheexam?A)BywatchingTV.B)Byreadingbooksandtakingonlinecourses.C)Byplayinggames.D)Bychattingwithfriends.Answer:BAnalysis:Lindasays“I'vebeenreadingalotofbooksandtakingonlinecourses.”10.WhatdoesLindaplantodothisweekend?A)Goshopping.B)Dosomemockexams.C)Visitherfriends.D)Watchamovie.Answer:BAnalysis:Shesays“Ialsoplantodosomemockexamsthisweekend.”ConversationTwoM:Hi,Mary.Doyouhaveanyplansfortheweekend?W:Yes,I'mgoingtothecountrysidewithmyfamily.M:Thatsoundsinteresting.Whydoyouwanttogothere?W:Wewanttorelaxandenjoythefreshairandbeautifulscenery.Also,wecanpickfruitsandvegetablesthere.M:That'sagreatidea.Howwillyougothere?W:We'lldrivethere.It'saboutanhour'sdrivefromthecity.M:Haveagoodtime.W:Thankyou.Questions11to14arebasedontheconversationyouhavejustheard.11.WhatareMary'splansfortheweekend?A)Togotothebeach.B)Togotothecountryside.C)Togotothemountains.D)Tostayathome.Answer:BAnalysis:Marysays“Yes,I'mgoingtothecountrysidewithmyfamily.”12.WhydoesMarywanttogotothecountryside?A)Tovisitrelatives.B)Toworkonafarm.C)Torelaxandenjoythescenery.D)Toattendafestival.Answer:CAnalysis:Sheexplains“Wewanttorelaxandenjoythefreshairandbeautifulscenery.Also,wecanpickfruitsandvegetablesthere.”13.HowwillMarygotothecountryside?A)Bybus.B)Bytrain.C)Byplane.D)Bycar.Answer:DAnalysis:Marysays“We'lldrivethere.”14.Howlongdoesittaketodrivetothecountrysidefromthecity?A)Abouthalfanhour.B)Aboutanhour.C)Abouttwohours.D)Aboutthreehours.Answer:BAnalysis:Shementions“It'saboutanhour'sdrivefromthecity.”SectionCDirections:Inthissection,youwillhearthreepassages.Attheendofeachpassage,youwillhearthreeorfourquestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA),B),C)andD).ThenmarkthecorrespondingletteronAnswerSheet1withasinglelinethroughthecentre.PassageOneManypeopleliketotravelduringtheirholidays.Travelingcanbroadenourhorizonsandmakeusmoreknowledgeable.Therearedifferentwaystotravel,suchasbyplane,bytrain,bycarandbyship.Eachwayhasitsownadvantagesanddisadvantages.Travelingbyplaneisthefastestway.Itcansavealotoftime,butitisalsothemostexpensive.Travelingbytrainisrelativelycheapandcomfortable.Youcanenjoythesceneryalongtheway.Travelingbycarisflexible.Youcanstopanywhereyouwant.Travelingbyshipisaveryrelaxingway.Youcanenjoytheseaviewandhavealotoffunontheship.Questions15to17arebasedonthepassageyouhavejustheard.15.Whydomanypeopleliketotravelduringtheirholidays?A)Tomakefriends.B)Tobroadentheirhorizonsandbemoreknowledgeable.C)Toeatdifferentfoods.D)Totakephotos.Answer:BAnalysis:Thepassagestates“Travelingcanbroadenourhorizonsandmakeusmoreknowledgeable.”16.Whichisthefastestwaytotravel?A)Byplane.B)Bytrain.C)Bycar.D)Byship.Answer:AAnalysis:Itismentionedthat“Travelingbyplaneisthefastestway.”17.Whatistheadvantageoftravelingbycar?A)Itisthecheapest.B)Itisthemostcomfortable.C)Itisflexible.D)Itisthefastest.Answer:CAnalysis:Thepassagesays“Travelingbycarisflexible.Youcanstopanywhereyouwant.”PassageTwoHealthisveryimportanttoeveryone.Tokeephealthy,weshouldhaveabalanceddiet.Abalanceddietmeanseatingavarietyoffoods,includingfruits,vegetables,grains,proteinsanddairyproducts.Weshouldalsoexerciseregularly.Exercisecanhelpuskeepfitandreducetheriskofdiseases.Inaddition,weshouldgetenoughsleep.Lackofsleepcanleadtomanyhealthproblems,suchasfatigue,stressandpoorconcentration.Finally,weshouldavoidbadhabits,suchassmokingandexcessivedrinking.Questions18to20arebasedonthepassageyouhavejustheard.18.Whatdoesabalanceddietmean?A)Eatingonlyfruitsandvegetables.B)Eatingavarietyoffoods.C)Eatingalotofmeat.D)Eatingalotofsweets.Answer:BAnalysis:Thepassageexplains“Abalanceddietmeanseatingavarietyoffoods,includingfruits,vegetables,grains,proteinsanddairyproducts.”19.Whyshouldweexerciseregularly?A)Tomakefriends.B)Tokeepfitandreducetheriskofdiseases.C)Toloseweightquickly.D)Tohavemoreenergytoplaygames.Answer:BAnalysis:Itissaidthat“Exercisecanhelpuskeepfitandreducetheriskofdiseases.”20.Whatcanlackofsleepleadto?A)Goodhealth.B)Fatigue,stressandpoorconcentration.C)Strongmuscles.D)Agoodmood.Answer:BAnalysis:Thepassagementions“Lackofsleepcanleadtomanyhealthproblems,suchasfatigue,stressandpoorconcentration.”PassageThreeTheInternethaschangedourlivesinmanyways.Ithasmadecommunicationeasierandfaster.Wecanuseemail,socialmediaandinstantmessagingtocommunicatewithpeopleallovertheworld.TheInternethasalsomadeiteasierforustoaccessinformation.WecanfindalmostanyinformationweneedontheInternet.However,theInternetalsohassomedisadvantages.ThereisalotoffalseinformationontheInternet,whichcanmisleadus.Inaddition,spendingtoomuchtimeontheInternetcanleadtohealthproblems,suchaseye-strainandbackpain.Questions21to22arebasedonthepassageyouhavejustheard.21.HowhastheInternetchangedourlives?A)Ithasmadecommunicationmoredifficult.B)Ithasmadeithardertoaccessinformation.C)Ithasmadecommunicationeasierandfasterandaccesstoinformationeasier.D)Ithasmadeourlivesmoreboring.Answer:CAnalysis:Thepassagesays“Ithasmadecommunicationeasierandfaster.Wecanuseemail,socialmediaandinstantmessagingtocommunicatewithpeopleallovertheworld.TheInternethasalsomadeiteasierforustoaccessinformation.”22.WhatarethedisadvantagesoftheInternet?A)Thereisnofalseinformation.B)Spendingtoomuchtimeonitcanleadtohealthproblemsandthereisfalseinformation.C)Ithasnoimpactonourhealth.D)Itistooexpensive.Answer:BAnalysis:Thepassagementions“ThereisalotoffalseinformationontheInternet,whichcanmisleadus.Inaddition,spendingtoomuchtimeontheInternetcanleadtohealthproblems,suchaseye-strainandbackpain.”PartIIIReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions23to32arebasedonthefollowingpassage.Theworldisfacingaseriouswatershortageproblem.Withthe23)_growth_oftheglobalpopulationandthedevelopmentofindustryandagriculture,thedemandforwaterisincreasingrapidly.However,theamountoffreshwateronEarthislimited.Todealwiththisproblem,weneedtotakesomeeffectivemeasures.Oneofthemostimportantmeasuresiswater24)_conservation_.Weshouldusewatermoreefficientlyandavoid25)_wasting_it.Forexample,wecanfixleakyfaucetsandusewater-savingdevices.Anothermeasureistodevelopnewwatersources.Desalination,theprocessofremovingsaltfromseawater,isa26)_promising_solution.Althoughitiscurrentlyexpensive,withthedevelopmentoftechnology,thecostmaydecreaseinthefuture.Wealsoneedtoimprovewater27)_management_.Governmentsandorganizationsshouldmakeandenforcestrictwater-usepolicies.Theyshouldensurethatwaterisdistributedfairlyamongdifferentregionsandsectors.Inaddition,educationplaysacrucialrole.Weshouldraisepublic28)_awareness_oftheimportanceofwaterconservation.Bychangingpeople'sattitudesandbehaviorstowardswateruse,wecanmakeabig29)_difference_.Finally,internationalcooperationisnecessary.Waterisaglobalresource,andwater-relatedproblemsoftencrossnational30)_borders_.Countriesshouldworktogethertosharewaterresourcesandsolvewater-relatedproblems.WordBankA)growthB)conservationC)wastingD)promisingE)managementF)awarenessG)differenceH)bordersI)pollutedJ)scarceK)limitedL)efficientM)developedN)enforceO)distributeAnswer:23.A;24.B;25.C;26.D;27.E;28.F;29.G;30.HAnalysis:-23.“thegrowthoftheglobalpopulation”meanstheincreaseinthenumberofpeopleintheworld,so“growth”istherightword.-24.Waterconservationisacommontermreferringtotheprotectionandefficientuseofwater,so“conservation”fits.-25.“avoidwastingit”islogicalasweshouldnotwastewater,so“wasting”iscorrect.-26.Desalinationisahopefulsolution,so“promising”isappropriate.-27.“watermanagement”isabouthowtodealwithwaterresources,so“management”istherightchoice.-28.“raisepublicawareness”isacommonexpression,so“awareness”iscorrect.-29.“makeabigdifference”meanstohaveasignificantimpact,so“difference”istheanswer.-30.Water-relatedproblemscrossnationalborders,so“borders”istherightword.SectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.Eachstatementcontainsinformationgiveninoneoftheparagraphs.Identifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.TheImportanceofArtsEducationA)Artseducationhaslongbeenanimportantpartofschoolcurriculums,butinrecentyears,ithasfacedsomechallenges.Withtheincreasingemphasisonstandardizedtestingincoresubjectssuchasmath,scienceandlanguagearts,thetimeandresourcesallocatedtoartseducationhavebeenreducedinmanyschools.B)However,numerousstudieshaveshownthatartseducationoffersmanybenefits.Itcanenhancecreativityandself-expression.Whenstudentsengageinartformssuchaspainting,musicordrama,theyareabletoexpresstheirthoughtsandemotionsinuniqueways.C)Artseducationalsohelpsimproveacademicperformance.Researchhasfoundthatstudentswhoparticipateinartsprogramstendtohavehighergradesinothersubjects.Thisisbecauseartseducationcandevelopcriticalthinkingskills,problem-solvingabilitiesandconcentration.D)Inadditiontoacademicbenefits,artseducationcanhaveapositiveimpactonstudents'socialandemotionaldevelopment.Itprovidesopportunitiesforstudentstoworkinteams,communicateeffectivelyandbuildself-confidence.Forexample,inaschoolplay,studentsneedtocollaboratewitheachothertoachieveacommongoal.E)Artseducationcanalsoexposestudentstodifferentcultures.Throughartformsfromvariouscultures,studentscanlearnaboutthehistory,valuesandtraditionsofdifferentsocieties.Thiscanpromoteculturalunderstandingandtolerance.F)Despitethesebenefits,manyschoolsarestillcuttingbackonartseducation.Oneofthereasonsisthelackoffunding.Artsprogramsoftenrequireexpensiveequipmentandmaterials,andschoolswithlimitedbudgetsmayfinditdifficulttosupportthem.G)Anotherreasonisthepressuretomeethigh-stakestestingrequirements.Schooladministratorsandteachersmayfeelthattheyneedtofocusoncoresubjectstoensurestudents'goodperformanceintests.H)Toaddresstheseissues,governmentsandeducationalinstitutionsshouldtakeaction.Theyshouldincreasefundingforartseducationtoensurethatschoolshavethenecessaryresources.Theyshouldalsore-evaluatetheimportanceofartseducationandmakeitanintegralpartofthecurriculum.I)Parentsalsoplayanimportantrole.Theycanencouragetheirchildrentoparticipateinartsactivitiesoutsideofschool,suchasjoiningartclubsortakingprivatelessons.J)Inconclusion,artseducationiscrucialforstudents'overalldevelopment.Itoffersawiderangeofbenefitsinacademic,social,emotionalandculturalaspects.Weshouldallworktogethertosupportandpromoteartseducationinschools.Questions33to42arebasedonthepassageabove.33.Artseducationcanexposestudentstodifferentculturesandpromoteculturalunderstanding.Answer:EAnalysis:ParagraphEstatesthat“Artseducationcanalsoexposestudentstodifferentcultures.Thiscanpromoteculturalunderstandingandtolerance.”34.Manyschoolsarecuttingbackonartseducationduetolackoffunding.Answer:FAnalysis:ParagraphFmentions“Oneofthereasonsisthelackoffunding.Schoolswithlimitedbudgetsmayfinditdifficulttosupportthem.”35.Artseducationcanenhancecreativityandself-expression.Answer:BAnalysis:ParagraphBsays“Itcanenhancecreativityandself-expression.Whenstudentsengageinartforms,theyareabletoexpresstheirthoughtsandemotionsinuniqueways.”36.Artseducationhelpsimproveacademicperformancebydevelopingcriticalthinkingskills.Answer:CAnalysis:ParagraphCstates“Artseducationalsohelpsimproveacademicperformance.Thisisbecauseartseducationcandevelopcriticalthinkingskills,problem-solvingabilitiesandconcentration.”37.Artseducationprovidesopportunitiesforstudentstoworkinteamsandbuildself-confidence.Answer:DAnalysis:ParagraphDsays“Itprovidesopportunitiesforstudentstoworkinteams,communicateeffectivelyandbuildself-confidence.”38.Governmentsandeducationalinstitutionsshouldincreasefundingforartseducation.Answer:HAnalysis:ParagraphHstates“Theyshouldincreasefundingforartseducationtoensurethatschoolshavethenecessaryresources.”39.Parentscanencouragetheirchildrentoparticipateinartsactivitiesoutsideofschool.Answer:IAnalysis:ParagraphIsays“Parentsalsoplayanimportantrole.Theycanencouragetheirchildrentoparticipateinartsactivitiesoutsideofschool.”40.Artseducationhasfacedchallengesduetotheincreasingemphasisonstandardizedtesting.Answer:AAnalysis:ParagraphAmentions“Withtheincreasingemphasisonstandardizedtestingincoresubjects,thetimeandresourcesallocatedtoartseducationhavebeenreducedinmanyschools.”41.Artseducationiscrucialforstudents'overalldevelopment.Answer:JAnalysis:ParagraphJstates“Inconclusion,artseducationiscrucialforstudents'overalldevelopment.”42.Onereasonforcuttingbackonartseducationisthepressuretomeethigh-stakestestingrequirements.Answer:GAnalysis:ParagraphGsays“Anotherreasonisthepressuretomeethigh-stakestestingrequirements.”SectionCDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneIntoday'sdigitalage,socialmediahasbecomeanimportantpartofourlives.Itallowsustoconnectwithfriends,familyandevenstrangersfromallovertheworld.However,socialmediaalsohassomenegativeeffects.Oneofthemainnegativeeffectsistheimpactonmentalhealth.Studieshaveshownthatexcessiveuseofsocialmediacanleadtofeelingsofloneliness,anxietyanddepression.Thisisbecausewhenwecompareourliveswithothers'highlightreelsonsocialmedia,weoftenfeelinadequate.Anotherproblemisthespreadoffalseinformation.Socialmediaplatformsarefulloffakenews,rumorsandmisinformation.Thiscanhaveseriousconsequences,suchasinfluencingpublicopinionandcausingpanic.Inaddition,socialmediacanbeaddictive.Manypeoplespendhoursscrollingthroughtheirfeeds,whichcanwastealotoftimeandaffecttheirproductivity.Despitetheseproblems,socialmediaalsohassomepositiveaspects.Itcanbeapowerfultoolforcommunication,educationandsocialchange.Forexample,itcanbeusedtoraiseawarenessaboutimportantissuesandorganizesocialmovements.Tomakethemostofsocialmedia,weneedtouseitresponsibly.Weshouldlimitourtimeonsocialmedia,fact-checktheinformationweseeandbecarefulaboutwhatweshare.Questions43to46arebasedonthepassageyouhavejustheard.43.Whatisoneofthemainnegativeeffectsofsocialmediaonmentalhealth?A)Itmakespeoplemoreconfident.B)Itleadstofeelingsofloneliness,anxietyanddepression.C)Ithelpspeoplemakemorefriends.D)Itimprovespeople'scommunicationskills.Answer:BAnalysis:Thepassagestates“Studieshaveshownthatexcessiveuseofsocialmediacanleadtofeelingsofloneliness,anxietyanddepression.”44.Whatisaproblemwithsocialmediaintermsofinformation?A)Thereistoolittleinformation.B)Thereisalotoffalseinformation.C)Allinformationisreliable.D)Informationisdifficulttoaccess.Answer:BAnalysis:Itismentionedthat“Socialmediaplatformsarefulloffakenews,rumorsandmisinformation.”45.Whyissocialmediaaddictive?A)Ithasbeautifulpictures.B)Itoffersalotofgames.C)Peoplecanspendhoursscrollingthroughfeeds.D)Ithasalotofadvertisements.Answer:CAnalysis:Thepassagesays“Manypeoplespendhoursscrollingthroughtheirfeeds,whichcanwastealotoftimeandaffecttheirproductivity.”46.Howcanwemakethemostofsocialmedia?A)Byusingitirresponsibly.B)Byspendingasmuchtimeaspossibleonit.C)Byusingitresponsibly,limitingtime,fact-checkingandbeingcarefulaboutsharing.D)Bybelievingalltheinformationonit.Answer:CAnalysis:Thepassagestates“Tomakethemostofsocialmedia,weneedtouseitresponsibly.Weshouldlimitourtimeonsocialmedia,fact-checktheinformationweseeandbecarefulaboutwhatweshare.”PassageTwoTheglobalfoodsystemisfacingmanychallenges.Oneofthebiggestchallengesisfeedingagrowingpopulation.By2050,theworld'spopulationisexpectedtoreach9.7billion.Thismeansthatweneedtoproducemorefoodtomeetthedemand.Anotherchallengeisclimatechange.Risingtemperatures,changingrainfallpatternsandextremeweathereventscanhaveasignificantimpactonagriculture.Droughtscanreducecropyields,whilefloodscandestroyfarmland.Inaddition,thefoodsystemisalsoresponsibleforalargeamountofgreenhousegasemissions.Theproduction,transportationandstorageoffoodallcontributetocarbonemissions.Toaddressthesechallenges,weneedtomakesomechanges.Onesolutionistoimproveagriculturalproductivity.Thiscanbeachievedthroughtheuseofnewtechnologies,suchasprecisionagricultureandgeneticengineering.Wealsoneedtoreducefoodwaste.Alargeamountoffoodiswastedateverystageofthefoodsystem,fromproductiontoconsumption.Byreducingfoodwaste,wecanmakebetteruseofourresources.Finally,weshouldpromotesustainablefoodproductionandconsumption.Thismeanschoosingfoods