英语泛读教程 unit 3 recycling

UnitThreeRecyclingNavigationGuideI.RelatedInformation1.1BackgroundInformation1.2PreviewQsII.TextComprehension2.1ComprehensionQs2.2TextAnalysisIII.DifficultPoints3.1KeyWords3.2KeyPhrasesIV.HomeReading4.1Post-readingQs4.2DifficultsentencesObjectives:Toknowsomeseriousproblemsthreateningthesurvivalofhumanbeings.Tobeawareoftheissuesconcerningenvironmentalprotection.TounderstandthewaystosolvetheenvironmentalproblemsUnwantedoruselessmaterials.Theprocessofcollectingmaterialsthatareconsideredtrashandremanufacturingthemintonewproductsthatcanberesoldandusedagain.conservesnaturalresourcesSavesenergyProduceslessgreenhousePreventsthedestructionofnaturalhabitatsDecreasessoilerosionassociatedwithminingandloggingLet’ssee!GlassMetalPaperPlasticTiresMostwidelyusedproductsintheU.S.Takesupabout10%ofourtotalstreamanditiscomposedmainlyofthenon-renewableresourcepetroleum.Recyclingoldplasticproductsuses20%-40%lessenergythanmanufacturingitfromnew.7differenttypesofplasticPETorPETE(PolyethyleneTerephthalate)HDPE(high-densitypolyethylene)SodaandwaterbottlesMouthwashbottlesPlasticwrapPeanutbetterandotherfoodjarsSaladdressingbottlesMilkcontainersTrashbagsYogurtcontainersLiquidlaundrydetergentcontainersShampoobottlesJuicecontainers•RecycledPlastic:Reducesgreenhousegasemission/canbemadeintoplasticlumber,whichisdurableAmericansuseover100millionsteelcansandover200millionaluminumbeveragecanseveryday.MainlyaluminumandsteelProductsuses95%lessenergythanmanufacturingitfromnewmaterials.Aluminumisanore,whichisamineral.LesslandandWaterpollutionsTheprocessofmanufacturingoldpaperproductsandturningthemintonew,reusablepaperproducts.Recyclingoldpaperproductsuses60%lessenergythanmanufacturingitfromnewmaterials.MostrecognizedrecycledpaperproductsAfterrecycled,cancreate…NewspaperShreddedpaperPhonebooksCardboardMagazinesComputerpaperEggcartonsPapertowelTissueToiletpaperNewspaperPhonebooksTheprocessoftakingoldglassproductsandturningthemintonew,reusableglassproducts.Recyclingoldglassuses40%lessenergythanmanufacturingitfromnew.TYPESofGlassProductscanberecycled•Beveragecontainers•FoodJarsBenefitsofrecyclingofRecyclingglassCanberecycledoveragainandneverloseitsqualityorquantityCreates20%lessairpollutionReduceswaterpollutionby50%Savesenergytolighta100-wattlightbulbReducesthatamountoflandfillspacethatisusedI.RelatedInformation1)EnvironmentThephysicalsurroundingsofanorganismororganisms,includingbiological,physical,andchemicalfactors.Inthecontextofhumanecology,italsoincludessocialandculturalsurroundings.Planning,caringfor,andconservationofthehumanenvironment,bothbuiltandnatural,becameofincreasingconcernintheyearsfollowingWorldWarRecyclinginvolvesprocessingusedmaterialsintonewproductstopreventwasteofpotentiallyusefulmaterials,reducetheconsumptionoffreshrawmaterials,reduceenergyusage,reduceairpollution(fromincineration)andwaterpollution(fromlandfilling)byreducingtheneedforconventionalwastedisposal,andlowergreenhousegasemissionsascomparedtovirginproduction.[1][2]RecyclingisakeycomponentofmodernwastereductionandisthethirdcomponentoftheReduce,Reuse,Recyclewastehierarchy.Recyclablematerialsincludemanykindsofglass,paper,metal,plastic,textiles,andelectronics.Althoughsimilarineffect,thecompostingorotherreuseofbiodegradablewaste–suchasfoodorgardenwaste–isnottypicallyconsideredrecycling.[2]Materialstoberecycledareeitherbroughttoacollectioncenterorpickedupfromthecurbside,thensorted,cleaned,andreprocessedintonewmaterialsboundformanufacturing.Earth’spressWhatshouldwedo?RecyclingInChinaWhatcanwedowithregardtorecycling●节约用水●拒绝使用塑料袋●将空调的温度下调1度●尽量使用可再生能源●购买当地的有机食品●关掉多余的灯●送绿色礼物●纸张两面用●手机以旧换新●减少废物，专家建议，尽量购买散装货，买散装水果和蔬菜，不买那些使用多层塑料纸包装的物品，购买那些容易降解的物品Well,recyclingisasimplewaythatyou,asaconsumer,canhelpouttheenvironment,createaprofitablemarketforrecycledgoodsandhelppreservenaturalresourcesfrombeingdepleted(耗尽…的资源deplete的过去分词).So…let’sgetinvolved!Let’sjoinhandstoprotectourhome--EARTH1.FuturesourcesofpowerFossilfuels,chieflycoal,oilandnaturalgas,nowsupplymostofourenergy.Onlyasmallamountcomesfromrenewablesourceslikesolarorwindpower,whichdonotreleasegasesthattrapheatintheatmosphere.Ifwecouldgetmoreofourenergyfromrenewablesources,wecouldreducetheamountoffossilfuelsweburn.Renewablesourcescouldprovide40percentoftheenergyneededintheworldbytheyear2050.Useofrenewableenergycanhelpbothtoslowglobalwarmingandtoreduceairpollution.2.EnergyefficiencyAnenergy-efficientlightbulborappliancedoesthesamejobwithlessenergy.Thesavedenergycanbeusedelsewhere,likeanyothersourceofpower.3.WhatbusinessescandotosaveenergyInvestinenergy-efficientfluorescentlighting.Buildorremodelofficesusingenergy-efficientmaterials,properinsulationandsolarenergyforheatingandlighting.Setupride-sharingsystemsforemployeeswhocommutetowork.Planttreestooffsetthecompany'sgreenhousegasemissions.Investinenergy-efficientmanufacturingprocessesandequipment.Userecycledmaterials.Establishrecyclingprogramsintheworkplaceanduserecycledpaperproducts.4.NuclearPowerintheWorldTodayThefirstco