英语泛读教程第2册第三单元PPTUnit 3 Recycling

ExtensivereadingUnit3Book2RecyclingLearningobjectivesInthisunityouwill:learnaboutwasterecyclingunderstandtheenvironmentalproblemsbettertakeatestonfastreadinglearnaboutglobalwarmingUnitoverview

Pre-readingdiscussionBackgroundinformationTextanalysisPost-readingdiscussionNotestothetextExercisesRelatedinformationPre-readingdiscussionWhatdoyouthinkisgarbage?Whatshouldwedotodealwithgarbage?BackgroundinformationWhatisrecycling?Recyclingistheprocessofconvertingwastematerialsintoreusableobjectstopreventwasteofpotentiallyusefulmaterials,reducetheconsumptionoffreshrawmaterials,energyusage,airpollution(fromincineration)andwaterpollution(fromlandfilling)bydecreasingtheneedfor“conventional”wastedisposalandloweringgreenhousegasemissionscomparedtoplasticproduction.RecyclablematerialsRecyclablematerialsincludemanykindsofglass,paper,metal,plastic,tires,textilesandelectronics.Thecompostingorotherreuseofbiodegradablewaste—suchasfoodorgardenwaste—isalsoconsideredrecycling.Recyclablematerials废纸：报纸、书本纸、各种包装用纸、办公用纸、广告纸片、大小纸盒等（但纸巾和厕纸不能回收）塑料：各种塑料袋、塑料瓶、塑料包装、泡沫塑料、一次性塑料餐盒餐具、硬塑料等玻璃：玻璃瓶和碎玻璃片金属：易拉罐、铁皮罐头盒、铅皮牙膏皮、废电池等有机物：落叶杂草、菜根果皮、鸡肠鱼肚、蛋壳鳞毛都可用来生产适用于种植“绿色食品”、城市绿化或家庭养花的优质有机肥料ClassifiedcollectionofgarbageOtherwastes不可回收物Recyclables可回收物TextanalysisDeterminingthemainidea.Themainpurposeofthetextisto______.a.reportsomeofthegreenertechnologiesintheworldb.explainthefunctionofrecyclingprogramsintheUnitedStatesc.provideinformationaboutrecyclingintheUnitedStatesd.revealtherelationbetweenenvironmentalprotectionandrecyclingWhile-readingquestionsHowmanypartscanthetextbedividedinto?What’sthemainideaofeachpart?Whyisrecyclingoneofthebestenvironmentalsuccessstoriesofthelate20thcentury?Isrecyclingworthalltheeffort?Whatdifferentattitudesdopeoplehavetowardrecycling?Isrecyclingafadoranewidea?Howhasrecyclingdeveloped?HowwillrecyclingdevelopintheUSA?Why?TextstructurePartsContentsMainideas11—2Introductiontorecycling23—7Benefitsofrecycling38—13Historicaldevelopmentofrecycling414—16NationaltrendsinrecyclingPart1IntroductionWhyisrecyclingoneofthebestenvironmentalsuccessstoriesofthelate20thcentury?Recyclingisanationwide,grassrootseffort.CurbsiderecyclingcollectionprogramsreachthemajorityoftheAmericanpopulation.Diversionrateresultingfromrecyclingandcompostingkeepsincreasing.Recyclingboxes3feetlongstackedendtoendwillreachthemoonin2005.Part2BenefitsofrecyclingIsrecyclingworthalltheeffort?Themostsuccessfulprogramsarecost-effectiveandprofitable.Recyclinghasalreadyachievedmanyeconomicandenvironmentalbenefits.Recyclingenhancesthesustainabilityoftheplanetandthefutureofourchildren.Thereareatleasteightcategoriesofbenefitsresultingfromtherecyclingofsolidwaste.Part3

HistoricaldevelopmentofrecyclingIsrecyclingafadoranewidea?Howhasrecyclingdeveloped?Part3

HistoricaldevelopmentofrecyclingIsrecyclingafadoranewidea?Recyclingisn’tafad.Ithasbeenoneofthegrowthindustriesinthepastanditisstilldevelopingrapidly.Recyclingisn’tanewidea.Itisasoldasrecordedhistory.Part3

HistoricaldevelopmentofrecyclingHowhasrecyclingdeveloped?WorldWarsIandII:Afterthewar:Bythelate1960s:Intheearly1970s:Inthe1980s:briefsurgesdeclinerock-bottomanewwaveofinterestrapidgrowthresultingfromthecombinedeffectsoflandfillshortages,resistancetoacceptingout-of-stategarbage,andgrowingnationalattentionPart3

HistoricaldevelopmentofrecyclingHowhasrecyclingdeveloped?Bythemid-1990s:industrymakingmultimilliondollarinvestmentsconsumersbeingincreasinglyawaregovernmentagenciesensuringrecycling’sviabilityFrom1990to1997:achievedouble-digitgrowth

Part4NationaltrendsinrecyclingHowwillrecyclingdevelopintheUSA?Why?Thecost-effectivenessoflocalrecyclingprogramswillbeimprovedthroughoutthecountry.Thenationaltrendsinrecyclingarereflectedintheexperienceofmanycitiesandtowns.e.g.AnnArbor:highvolumeofdiversionhelpsholddownthecosts.Notestothetext21thebottomline[Para.3,Line1]usedtotellsomeonewhatthemostimportantpartofasituationis,orwhatthemostimportantthingtoconsideris底线e.g.Inradio,youhavetokeepthelistenerlistening.That’sthebottomline.beameasureofsomething

[Para.3,Line2]formalbeasignoftheimportance,strength,etc.ofsomething,orawayoftestingorjudgingsomething衡量……的方法、标准、准则e.g.Examresultsarenotnecessarilyatruemeasureofastudent'sabilities.hit/reachrockbottom

[Para.10,Line4]informaltobecomeasunhappy,unpleasant,orunsuccessfulasitispossibletobe降到谷底，降到最低点e.g.Mypersonallifehadhitrockbottom.EarthDay[Para.11,Line4]EarthDayisanannualevent,celebratedonApril22,onwhichdayeventsworldwideareheldtodemonstratesupportforenvironmentalprotection.Itwasfirstcelebratedin1970,andisnowcelebratedinmorethan192countrieseachyear.世界地球日EarthdayflagUSEnvironmentalProtectionAgency

[Para.11,Line8]TheUnitedStatesEnvironmentalProtectionAgency(EPAorsometimesUSEPA)isanagencyoftheU.S.federalgovernmentwhichwascreatedin1970forthepurposeofprotectinghumanhealthandtheenvironmentbywritingandenforcingregulationsbasedonlawspassedbyCongress.美国环境保护局

shootup[P.41,4thline↑]toincreaseveryquicklyandsuddenly;rocket迅速成长；迅速增加e.g.Demandforwaterhasshotupby70%overthelast30years.bottlebill[Para.14,Line7]Theterm“bottlebill”isactuallyanotherwayofsaying“containerdepositlaw.”Acontainerdepositlawrequiresaminimumrefundabledepositonbeer,softdrinkandotherbeveragecontainersinordertoensureahighrateofrecyclingorreuse.退瓶法bottlebill[Para.14,Line7]Post-readingdiscussionWhatdoyouthinkoftheenvironmentalproblemstoday?Doyouhaveanysolutions?Whatisthesignificanceofrecycling?Whatcanwedotobetterprotectournaturalresources,improveourqualityoflife,andstrengthenoureconomy?RelatedinformationEnvironmentalProblemsAvarietyofenvironmentalproblemsnowaffectourentireworld.Asglobalizationcontinuesandtheearth'snaturalprocessestransformlocalproblemsintointernationalissues,fewsocie