Unit 5 A delicate world 同步练习-2022-2023学年高中英语外研版2019选择性必修第二册

选择性必修第二册Unit5同步练习Ⅰ.阅读理解ANewYorkPublicLibrary(212)340－0863Itwassetupin1895,whenitgotabigdonationfromthecompany,theTildenTrust,whichwascreated：in1887.ThisbeautifullibraryisnexttoBryantPark.Everyoneiswelcometoreadbookstherewithoutcharge.Thereadingroomsallowreaderstochargetheirphones.There'sacomputerlabwithfreewi­fiandasmallcafé.It'sthesecondbiggestpubliclibraryintheUS.TheMorganLibrary&Museum(212)685－0008DesignedbyCharlesMcKim,it'sacomplexofbuildingsintheheartofNewYorkCity.Itwasbuiltin1906tohousetheprivatelibraryofJ．P.Morgan(1837－1913)，agreatcollectorofart，booksandotherhistoricdocuments.HewasalsoasuccessfulAmericanfinancierandbanker,makinggreatcontributionstotheUnitedStates'development.PoetsHouse(212)431－7920Foundedin1985,PoetsHouse,anationalliterarycenterandpoetrylibrary,hascreatedahomeforallwhoreadandwritepoetry.From1990to2007,thathomelayinaquietplaceat72SpringStreetinSoHo.Asrentincreased,itbegantomakeSoHoanimpracticallocation.Itmovedtoarent­freebuildingandin2009PoetsHousemovedtoitspermanenthomeatTenRiverTerraceinBatteryParkCity.NewYorkMulberryStreetBranchLibrary(212)966－3424Setupin2007,itliesatthesiteofaformerchocolatefactory.TheBranchentranceislocatedatgroundlevel,andtwootherfloorsarelocatedbelowground.There'snaturallightdownstairs.Designedwithrespecttothebuilding'sinfrastructure(基础设施)andhistory,thelibraryfeaturesnewmaterialsofwoodandmetalwhichprovideastrikingcontrast(巨大的区别)totheexistingstructureofbrick,castiron,andheavytimberbeams(木质梁).1．WhatcanwelearnabouttheNewYorkPublicLibrary?A.ItliesinthebeautifulBryantPark.B.It'sthesecondlargestlibraryintheworld.C.Itofferssomequitethoughtfulservices.D.Ithasgotmanydonationsfromthepublic.2．WhywasPoetsHousemovedfrom72SpringStreetinSoHo?A.Toavoidurbannoise.B.Toreducetheexpense.C.Toattractmorereaders.D.Toseekbeautifulsurroundings.3．Whichofthefollowinghasthelongesthistory?A.PoetsHouse.B.TheMorganLibrary&Museum.C.NewYorkPublicLibrary.D.NewYorkMulberryStreetBranchLibrary.BEachtimeanewscarymoviecomesout，Iwillexpectacallfrommyteenagesiblings(兄弟姐妹).Itdoesn'ttakemuchforatrailer(预告片)tocapturetheirimagination—especiallyifthemovieinvolvescharactersoftheirage,theirthoughtabouttheplotorthemonsteralwaysleadstotheirasking,“So,canwegotoseethemovie？”Ifitisreasonablyage­appropriate,theanswerisusuallyyes.Plentyofmychildhoodmemoriesaredefinedbythesinkingfeelingoffearpriortothemonster,alienormurdererleapingfromtheshadows.Iusedtolookatthescreenthroughacageoffingers,anditischarmingtowatchmylittlesisternowdothesame.Theadultinstinct(本能)istoprotecttheyoungergenerationsfromtheshockofterror,butthisissuchamissedopportunity.Thereisgreatpleasureinfeelingtrulyscared,andtheoccasionalshockofterrorprobablywon'tcausedamage.Ifanything,it'sachancetopracticemanagingtheunpleasantfeelingscausedbychallengingcontent.Fearhasalwaysbeenapartofthehumanexperience,andthesestoriesaredesignedtohelpustocopewithit.Kidsshouldbeallowedtoexplorestoriesthatmakethemillatease,confusedandafraid.Realitymaybescarierthanfictionformanykids,andfindingrelatablecharacterscanteachthemmoreaboutdealingwithhardshipsthananymotivationalpeopleorthingcan.Obviously,thereshouldbelimits.Nooneshouldbeforcedtowatchanythingthatdistressesthemandtherearesomelevelsofviolencethattakeittoofarforyoungaudiences.Itisworthseriouslyevaluatingthecontenttomakesurenooneismentallyhurt.Besides,notallscarymoviesarecreatedequal,withmanyofthembeingpainfullystupid.4．Whatcanwelearnabouttheauthorandhissiblings?A.Theyaregoodatconstructingmovieplots.B.Theyhaveapreferenceforscarymovies.C.Theyoftenusetheirimaginationinlife.D.Theyliketostarinvariousmovies.5．Whatdoestheauthormeanbysaying“thisissuchamissedopportunity”？A.Thathefailedtobringtheyoungintosafety.B.Thathesufferedfromshockofterrorattimes.C.Thatheconsideredfeelingscaredbeneficialinaway.D.Thathemissedpreventingsomechildrenfacingdanger.6．Whatdoestheauthortrytotellusinthelastparagraph?A.Scarymoviesshouldbelimited.B.Theyoungshouldwatchfewerscarymovies.C.Thecontentofscarymoviesshouldberegulated.D.Scarymoviesshouldincludesomeequalcontent.7．What'sthebesttitleforthetext?A.WhyKidsGototheCinemaB.WhatRealityMeanstoKidsC.HowKidsDefineTheirMemoriesD.HowSeeingScaryMoviesAffectsKidsCResearchersfromtheWater,PeaceandSecuritypartnership(WPS)haveannouncedthecreationofaglobalforecastingtoolthatcanpredictwhereconflictsarisingfromwaterinsecurityaremostlikelytobreakout.Thetoolusesartificialintelligencetocreatepatternsfromawiderangeofgeographicalandsocioeconomicdataandcanidentifypotentialconflicthotspotsuptoayearinadvance.SusanneSchmeier,aseniorlectureratIHEDelftInstituteforWaterEducation,whichleadstheWPS,explainsthatpredictingthesetypesofconflictsisn'tassimpleasitmightfirstappear.Itisn'tjustacaseofconflictsincreasingeverytimeawatersecurityincidentoccurs.Severalregionalandculturalfactorsalsoplayapartinmakingthepredictionratherstiff．TheresearchersgaveatestruntotheAItoolinMali.Theyfoundthatitsuccessfullypredictedmorethanthree­quartersofthewater­relatedconflictsthere.Toachievethis,thetoolwasfedwithavarietyofdata.“Firstthere'sthenaturalsideofthings­rainfall,evaporation(蒸发),soilmoistureandsoon，”explainsSchmeier.Thisenablesittoidentifyareaswhereavailabilityofwaterislikelytobecomeaconcern.“Thenwealsolookatvulnerability(脆弱性)intermsofsocio­economicandpoliticaldevelopmentinaregion，”sheadds.Thisadditionalinformationisweigheduptodeterminewhetherwaterinsecurityincreasesordecreasesthechanceofconflict.Otherfactorsmightincludewhetherwaterinsecurityislikelytoaffectcrops.ThetoolisjustonepartoftheWPSprojectthataimstoincreasetheavailabilityofinformationwhichcouldhelpavoidwater­relatedconflicts.Onceartificialintelligencehasmadeitspredictions,theWPSresearcherswilltrytofindoutexactlywhat'sdrivingwaterinsecurity.Thismightbedecreasedrainfall,increasedpopulation,orsomethingelse.ThedesignersarenowundergoingfinaltestsofthenewAItooltomakesureit'sreadyforfurtheruse.Oncewidelyavailable,Schmeierhopesthatitwillbeusedbylocalgovernmentsandalsobyinternationalorganizationswithaninterestinmaintainingglobalstability.8．Whatisthepurposeofinventingtheglobalforecastingtool?A.Tofindthepossiblecausesofwaterinsecurity.B.Tocollectgeographicalandsocioeconomicdata.C.Tostudytheexactlocationofpotentialwaterinsecurity.D.Tofigureouttherelationshipbetweenconflictsandwaterinsecurity.9．Whatdoestheunderlinedword“stiff'inParagraph2probablymean?A.Difficult. B．Doubtful.C.Unreliable. D．Unbelievable10．WhatdoestheauthortrytoconveyinParagraph5?A.Water­relatedconflictswilldisappearsoon.B.Artificialintelligencedoeswellinpredicting.C.Thecauseofwaterinsecurityisstillunknown.D.TheWPSprojectaimstosolvewaterproblems.11．HowdoesSchmeierfindtheresearch?A.Costly. B．Hopeful.C.Concerned. D．Meaningless.DIn2017,theUSproducedover35milliontonsofplasticwaste,accordingtotheEnvironmentalProtectionAgency.Ifyouwanttoreduceyourcontributiontotheproblemofplasticpollution,recyclingmightseemlikeaneasysolution.Unfortunately,theoutcomeisn'tassatisfactoryasmanypeoplethink.Ofallthewasteproducedin2017,only8.4%ofiteventuallygotrecycled,accordingtotheEnvironmentalProtectionAgency.ArecentreportreleasedbyGreenpeacesurveyedtheUnitedStates'367materialsrecoveryfacilities—thefacilitiesthatsortourrecycling—andfoundthatonlyplasticbottlesareregularlyrecycled.Thefateofmostothertypesofplasticisusuallyalandfill.Ifyouturnoveraclearplasticbottle,you'llnoticeanumberfrom1to7withdifferentmeaning.Thenumber“1”meansit'smadeofamaterialcalledPET.Opaque(不透明的)plasticcontainers,likethosethatholdmilk,geta“2”，meaningthey'remadeofamaterialcalledHDPE.Atmaterialsrecoveryfacilities,orMRFs,plasticsgetsortedbasedonthesenumbers(theygoupto7).Numbers1and2arerelativelyrecyclable,saidKaraPochiro,communicationsdirectorfortheAssociationofPlasticRecyclers.Recyclinggetsmorecomplicatedwithothernumbersthatmean“mixedplastics”，Pochirosaid.Thiswastemakesuparound69%ofalltheplasticsweuse,accordingtotheGreenpeacereport.It'smuchmoreexpensiveandenergy­intensivetoprocessplasticswithnumbershigherthan1and2.Inthepast,manyrecyclingfacilitieswouldexportmixedplastics,oftentoChina.Buttwoyearsago,Chinabannedtheimportofforeignplasticwaste.Recyclingfacilitieshadtotrytofindanewmarket,butmanyfailed.InLosAngeles,recyclingfacilitiesstillwon'tprocessanyplasticswithnumbershigherthan2.Instead,MRFsaredumpingtheminlandfills,TheGuardianreportedlastyear.“WhattheUnitedStatesneedstodoisprocessotherkindsofplastic，”Pochirosaid.Butanotherresearcher,JohnHocevar,amarinebiologistwithGreenpeaceUSA,comesupwithadifferentsolution—thereallysimpleansweristhatwehavetostopmakingsomanythrowawayplastics.12．Whydoestheauthorsay“theoutcomeisn'tassatisfactoryasmanypeoplethink”？A.Becauseitisdifficulttosortplastics.B.Becausepeoplerelyheavilyonplastics.C.Becausetherecyclingisfarfromenough.D.BecauseGreenpeace'sstandardistoohigh.13．WhatisParagraph3mainlyabout?A.Thematerialofvariousplasticitems.B.Thewayofsortingdifferentplastics.C.Thestructureofsomekindsofplastics.D.Themeaningofthenumberonplasticproducts.14．WhatcanbeinferredfromParagraph4?A.It'sdifficulttohandlemixedplastics.B.Chinacanmeetitsowndemandforplastics.C.It'shardtorecyclenumbers1and2plastics.D.Chinaisgoodatdealingwithmixedplastics.15．WhatisthemosturgentthingaccordingtoJohnHocevar?A.Workingoutmoresolutionstoplasticwaste.B.Avoidingproducingunrecyclableplastics.C.Stoppingdumpingplasticsintolandfills.D.Processingmoremixedplastic.Ⅱ.阅读七选五Adaptivecommunicationisaformofcommunicationwhichisdesignedforsomeone'sneedsandabilities.Manypeoplearemostfamiliarandcomfortablewithspokencommunication.__16__Providingthosepeoplewithadaptivecommunicationcangivethemasenseofindependence.Oneformofadaptivecommunicationwhichpeoplemaybefamiliarwithissignlanguage.__17__Signlanguageisalsousedbypeoplewithspeechimpairmentsorcognitiveimpairments,suchasstrokevictimswhohavetroublespeaking.__18__Chattingonline,forexample,isaformofthistypeofcommunication,whichcanbeusedtogenerateelectronicvoices.Chattingonlinealsoallowstheuserstoselectimageswhichrepresentconceptstocommunicate.Peoplemaydesigntheirowncommunicationsystems.Theyworkwithfamilymembers,friends,andassistantstodevelopasystemwhichiscomfortableforthem.__19__Drawing,pointingtoimages,andmanyothertechniquesarealsowidelyused.Theimportantthingtokeepinmindisthatadaptivecommunicationcanbeadjustedtomeettheneedsoftheindividual.What'smore,takingtimetocreateacommunicationsystemcanopendoorsforpeoplewhohavetroublecommunicatingbecausepeoplewhocan'tspeakarenotoftentreatedwellgenerally.__20__A.Physicalgesturesarethemostcommonformsofthesystem.B.Learningadaptivecommunicationcanbechallengingformostpeople.C.Itisusedbypeoplewhohavedifficultyhearing,orareunabletospeak.D.Likewise,communicationskillsplayanimportantroleincommunicatingwithothers.E.Adaptivecommunicationcanincludecomputerprogramstohelppeoplecommunicate.F.However,itisnotalwaysachoiceforpeoplewhosufferfrombraininjuriesandsoforth.G.Anyway,helpedbyadaptivecommunication,mostpeoplewillatleasttrytocommunicate.

选择性必修第二册Unit5同步练习Ⅰ.阅读理解ANewYorkPublicLibrary(212)340－0863Itwassetupin1895,whenitgotabigdonationfromthecompany,theTildenTrust,whichwascreated：in1887.ThisbeautifullibraryisnexttoBryantPark.Everyoneiswelcometoreadbookstherewithoutcharge.Thereadingroomsallowreaderstochargetheirphones.There'sacomputerlabwithfreewi­fiandasmallcafé.It'sthesecondbiggestpubliclibraryintheUS.TheMorganLibrary&Museum(212)685－0008DesignedbyCharlesMcKim,it'sacomplexofbuildingsintheheartofNewYorkCity.Itwasbuiltin1906tohousetheprivatelibraryofJ．P.Morgan(1837－1913)，agreatcollectorofart，booksandotherhistoricdocuments.HewasalsoasuccessfulAmericanfinancierandbanker,makinggreatcontributionstotheUnitedStates'development.PoetsHouse(212)431－7920Foundedin1985,PoetsHouse,anationalliterarycenterandpoetrylibrary,hascreatedahomeforallwhoreadandwritepoetry.From1990to2007,thathomelayinaquietplaceat72SpringStreetinSoHo.Asrentincreased,itbegantomakeSoHoanimpracticallocation.Itmovedtoarent­freebuildingandin2009PoetsHousemovedtoitspermanenthomeatTenRiverTerraceinBatteryParkCity.NewYorkMulberryStreetBranchLibrary(212)966－3424Setupin2007,itliesatthesiteofaformerchocolatefactory.TheBranchentranceislocatedatgroundlevel,andtwootherfloorsarelocatedbelowground.There'snaturallightdownstairs.Designedwithrespecttothebuilding'sinfrastructure(基础设施)andhistory,thelibraryfeaturesnewmaterialsofwoodandmetalwhichprovideastrikingcontrast(巨大的区别)totheexistingstructureofbrick,castiron,andheavytimberbeams(木质梁).语篇解读：本文是一篇应用文。文章主要介绍了美国纽约的四个图书馆。1．WhatcanwelearnabouttheNewYorkPublicLibrary?A.ItliesinthebeautifulBryantPark.B.It'sthesecondlargestlibraryintheworld.C.Itofferssomequitethoughtfulservices.D.Ithasgotmanydonationsfromthepublic.解析：选C细节理解题。根据NewYorkPublicLibrary部分的“withoutcharge...allowreaderstochargetheirphones.There'sacomputerlabwithfreewi­fiandasmallcafé.”可知，NewYorkPublicLibrary给读者提供了很贴心的服务。2．WhywasPoetsHousemovedfrom72SpringStreetinSoHo?A.Toavoidurbannoise.B.Toreducetheexpense.C.Toattractmorereaders.D.Toseekbeautifulsurroundings.解析：选B推理判断题。根据PoetsHouse部分的“Asrentincreased...”和“Itmovedtoarent­freebuilding...”可知，PoetsHouse的迁址是为了减少开支。3．Whichofthefollowinghasthelongesthistory?A.PoetsHouse.B.TheMorganLibrary&Museum.C.NewYorkPublicLibrary.D.NewYorkMulberryStreetBranchLibrary.解析：选C推理判断题。比较文中提到的各图书馆的建造时间可知答案。BEachtimeanewscarymoviecomesout，Iwillexpectacallfrommyteenagesiblings(兄弟姐妹).Itdoesn'ttakemuchforatrailer(预告片)tocapturetheirimagination—especiallyifthemovieinvolvescharactersoftheirage,theirthoughtabouttheplotorthemonsteralwaysleadstotheirasking,“So,canwegotoseethemovie？”Ifitisreasonablyage­appropriate,theanswerisusuallyyes.Plentyofmychildhoodmemoriesaredefinedbythesinkingfeelingoffearpriortothemonster,alienormurdererleapingfromtheshadows.Iusedtolookatthescreenthroughacageoffingers,anditischarmingtowatchmylittlesisternowdothesame.Theadultinstinct(本能)istoprotecttheyoungergenerationsfromtheshockofterror,butthisissuchamissedopportunity.Thereisgreatpleasureinfeelingtrulyscared,andtheoccasionalshockofterrorprobablywon'tcausedamage.Ifanything,it'sachancetopracticemanagingtheunpleasantfeelingscausedbychallengingcontent.Fearhasalwaysbeenapartofthehumanexperience,andthesestoriesaredesignedtohelpustocopewithit.Kidsshouldbeallowedtoexplorestoriesthatmakethemillatease,confusedandafraid.Realitymaybescarierthanfictionformanykids,andfindingrelatablecharacterscanteachthemmoreaboutdealingwithhardshipsthananymotivationalpeopleorthingcan.Obviously,thereshouldbelimits.Nooneshouldbeforcedtowatchanythingthatdistressesthemandtherearesomelevelsofviolencethattakeittoofarforyoungaudiences.Itisworthseriouslyevaluatingthecontenttomakesurenooneismentallyhurt.Besides,notallscarymoviesarecreatedequal,withmanyofthembeingpainfullystupid.语篇解读：本文是一篇说明文。文章主要说明了观看恐怖电影对孩子的成长有益，但不是所有的恐怖电影都适合孩子观看。4．Whatcanwelearnabouttheauthorandhissiblings?A.Theyaregoodatconstructingmovieplots.B.Theyhaveapreferenceforscarymovies.C.Theyoftenusetheirimaginationinlife.D.Theyliketostarinvariousmovies.解析：选B细节理解题。根据第一段“Eachtimeanewscarymoviecomesout,Iwillexpectacall...tocapturetheirimagination”可知，作者和他的兄弟姐妹都喜欢看恐怖电影。5．Whatdoestheauthormeanbysaying“thisissuchamissedopportunity”？A.Thathefailedtobringtheyoungintosafety.B.Thathesufferedfromshockofterrorattimes.C.Thatheconsideredfeelingscaredbeneficialinaway.D.Thathemissedpreventingsomechildrenfacingdanger.解析：选C推理判断题。根据第三段“greatpleasureinfeelingtrulyscared...won'tcausedamage...Fearhasalwaysbeenapartofthehumanexperience...Realitymaybescarier...dealingwithhardships”可知答案。6．Whatdoestheauthortrytotellusinthelastparagraph?A.Scarymoviesshouldbelimited.B.Theyoungshouldwatchfewerscarymovies.C.Thecontentofscarymoviesshouldberegulated.D.Scarymoviesshouldincludesomeequalcontent.解析：选C推理判断题。最后一段主要介绍了恐怖电影对孩子们的影响，并结合“Itisworthseriouslyevaluatingthecontenttomakesurenooneismentallyhurt.”可知答案。7．What'sthebesttitleforthetext?A.WhyKidsGototheCinemaB.WhatRealityMeanstoKidsC.HowKidsDefineTheirMemoriesD.HowSeeingScaryMoviesAffectsKids解析：选D标题归纳题。文章主要介绍了孩子们观看恐怖电影的利弊，故文章主要讲述了观看恐怖电影如何影响孩子的身心健康，D项作本文标题最佳。CResearchersfromtheWater,PeaceandSecuritypartnership(WPS)haveannouncedthecreationofaglobalforecastingtoolthatcanpredictwhereconflictsarisingfromwaterinsecurityaremostlikelytobreakout.Thetoolusesartificialintelligencetocreatepatternsfromawiderangeofgeographicalandsocioeconomicdataandcanidentifypotentialconflicthotspotsuptoayearinadvance.SusanneSchmeier,aseniorlectureratIHEDelftInstituteforWaterEducation,whichleadstheWPS,explainsthatpredictingthesetypesofconflictsisn'tassimpleasitmightfirstappear.Itisn'tjustacaseofconflictsincreasingeverytimeawatersecurityincidentoccurs.Severalregionalandculturalfactorsalsoplayapartinmakingthepredictionratherstiff．TheresearchersgaveatestruntotheAItoolinMali.Theyfoundthatitsuccessfullypredictedmorethanthree­quartersofthewater­relatedconflictsthere.Toachievethis,thetoolwasfedwithavarietyofdata.“Firstthere'sthenaturalsideofthings­rainfall,evaporation(蒸发),soilmoistureandsoon，”explainsSchmeier.Thisenablesittoidentifyareaswhereavailabilityofwaterislikelytobecomeaconcern.“Thenwealsolookatvulnerability(脆弱性)intermsofsocio­economicandpoliticaldevelopmentinaregion，”sheadds.Thisadditionalinformationisweigheduptodeterminewhetherwaterinsecurityincreasesordecreasesthechanceofconflict.Otherfactorsmightincludewhetherwaterinsecurityislikelytoaffectcrops.ThetoolisjustonepartoftheWPSprojectthataimstoincreasetheavailabilityofinformationwhichcouldhelpavoidwater­relatedconflicts.Onceartificialintelligencehasmadeitspredictions,theWPSresearcherswilltrytofindoutexactlywhat'sdrivingwaterinsecurity.Thismightbedecreasedrainfall,increasedpopulation,orsomethingelse.ThedesignersarenowundergoingfinaltestsofthenewAItooltomakesureit'sreadyforfurtheruse.Oncewidelyavailable,Schmeierhopesthatitwillbeusedbylocalgovernmentsandalsobyinternationalorganizationswithaninterestinmaintainingglobalstability.语篇解读：本文是一篇说明文。文章介绍了一种人工智能全球预测系统，使用该系统或许可以避免因水问题引起的地区冲突。8．Whatisthepurposeofinventingtheglobalforecastingtool?A.Tofindthepossiblecausesofwaterinsecurity.B.Tocollectgeographicalandsocioeconomicdata.C.Tostudytheexactlocationofpotentialwaterinsecurity.D.Tofigureouttherelationshipbetweenconflictsandwaterinsecurity.解析：选D推理判断题。根据第一段中的“aglobalforecastingtoolthatcanpredictwhereconflictsarisingfromwaterinsecurityaremostlikelytobreakout”可知答案。9．Whatdoestheunderlinedword“stiff'inParagraph2probablymean?A.Difficult. B．Doubtful.C.Unreliable. D．Unbelievable解析：选A词义猜测题。根据第二段中的“predictingthesetypesofconflictsisn'tassimpleasitmightfirstappear”及画线词所在句中的“alsoplayapart”可知，此处表示其他因素也使得预测很困难，画线词意为“困难的”，与A项词义相近。10．WhatdoestheauthortrytoconveyinParagraph5?A.Water­relatedconflictswilldisappearsoon.B.Artificialintelligencedoeswellinpredicting.C.Thecauseofwaterinsecurityisstillunknown.D.TheWPSprojectaimstosolvewaterproblems.解析：选C推理判断题。根据第五段中的“theWPSresearcherswilltrytofindoutexactlywhat'sdrivingwaterinsecurity”可知答案。11．HowdoesSchmeierfindtheresearch?A.Costly. B．Hopeful.C.Concerned. D．Meaningless.解析：选B观点态度题。根据最后一段中的“Schmeierhopesthatitwillbeusedbylocalgovernmentsandalsobyinternationalorganizationswithaninterestinmaintainingglobalstability”可知，Schmeier觉得这项研究很有希望。DIn2017,theUSproducedover35milliontonsofplasticwaste,accordingtotheEnvironmentalProtectionAgency.Ifyouwanttoreduceyourcontributiontotheproblemofplasticpollution,recyclingmightseemlikeaneasysolution.Unfortunately,theoutcomeisn'tassatisfactoryasmanypeoplethink.Ofallthewasteproducedin2017,only8.4%ofiteventuallygotrecycled,accordingtotheEnvironmentalProtectionAgency.ArecentreportreleasedbyGreenpeacesurveyedtheUnitedStates'367materialsrecoveryfacilities—thefacilitiesthatsortourrecycling—andfoundthatonlyplasticbottlesareregularlyrecycled.Thefateofmostothertypesofplasticisusuallyalandfill.Ifyouturnoveraclearplasticbottle,you'llnoticeanumberfrom1to7withdifferentmeaning.Thenumber“1”meansit'smadeofamaterialcalledPET.Opaque(不透明的)plasticcontainers,likethosethatholdmilk,geta“2”，meaningthey'remadeofamaterialcalledHDPE.Atmaterialsrecoveryfacilities,orMRFs,plasticsgetsortedbasedonthesenumbers(theygoupto7).Numbers1and2arerelativelyrecyclable,saidKaraPochiro,communicationsdirectorfortheAssociationofPlasticRecyclers.Recyclinggetsmorecomplicatedwithothernumbersthatmean“mixedplastics”，Pochirosaid.Thiswastemakesuparound69%ofalltheplasticsweuse,accordingtotheGreenpeacereport.It'smuchmoreexpensiveandenergy­intensivetoprocessplasticswithnumbershigherthan1and2.Inthepast,manyrecyclingfacilitieswouldexportmixedplastics,oftentoChina.Buttwoyearsago,Chinabannedtheimportofforeignplasticwaste.Recyclingfacilitieshadtotrytofindanewmarket,butmanyfailed.InLosAngeles,recyclingfacilitiesstillwon'tprocessanyplasticswithnumbershigherthan2.Instead,MRFsaredumpingtheminlandfills,TheGuardianreportedlastyear.“WhattheUnitedStatesneedstodoisprocessotherkindsofplastic，”Pochirosaid.Butanotherresearcher,JohnHocevar,amarinebiologistwithGreenpeaceUSA,comesupwithadifferentsolution—thereallysimpleansweristhatwehavetostopmakingsomanythrowawayplastics.语篇解读：本文是一篇说明文。人们每天都在生产大量的塑料垃圾，但是回收这些垃圾却是一件令人头疼的事情。12．Whydoestheauthorsay“theoutcomeisn'tassatisfactoryasmanypeoplethink”？A.Becauseitisdifficulttosortplastics.B.Becausepeoplerelyheavilyonplastics.C.Becausetherecyclingisfarfromenough.D.BecauseGreenpeace'sstandardistoohigh.解析：选C细节理解题。根据第二段中的“onlyplasticbottlesareregularlyrecycled”可知，回收利用的塑料垃圾太少。13．WhatisParagraph3mainlyabout?A.Thematerialofvariousplasticitems.B.Thewayofsortingdifferentplastics.C.Thestructureofsomekindsofplastics.D.Themeaningofthenumberonplasticproducts.解析：选D段落大意题。根据第三段中的“you'llnoticeanumberfrom1to7withdifferentmeaning”可知，第三段主要讲的是塑料制品上面的数字代表不同的意义。14．Whatcanbein