unit5 现代大学英语第二版精读3

SilentSpringRachelCarsonReinforcementTextAnalysisBackgroundWarmingupSilentSpringUnit5Questions/ActivitiesCheck-onPreviewObjectivesWarmingupSilentSpringUnit5WarmingupWorkinpairstonamefiveenvironmentalproblemsthatarethreateningourworld.Questions/Activitiespollutedriversandlakes,frequentacidrains,sandstorms,soilerosion,desertification,deforestation,salinizationOurEarthismeltinglikeanice-creamconebecauseofgreenhouseeffect.MaybewehavetomovetoanotherplanetonedayanddumptheEarthjustlikewedumpcountlessplasticbags.Automobileexhaustispollutingtheair.Wearecuttingtreesandwastingpaperseveryday.Forestsaredisappearing.Wildanimalsaredyingout.Take,asexample,theYangtzeRiver:NOWCouldpeopleimaginesuchalivingenvironmentdecadesago?Check-onPreviewWarmingupCheck-onPreviewWarmingup江苏泰兴化工园区的化工废料堆放长江堤上。2009年5月15日Check-onPreviewWarmingup广东省贵屿镇河流、水塘都已被污染，村民们只好在被严重污染的水塘里洗涤。2005年11月25日Check-onPreviewWarmingup河南安阳钢铁厂出来的污水流入安阳河。2008年3月25日Check-onPreviewWarmingup镇江市钛粉厂每天大量的化工污水排放长江，下游不到1000米处是丹阳市自来水取水处。2009年6月10日Check-onPreviewWarmingup安徽省马鞍山化工园区长江边上被化工厂污染的土地。2009年6月26日Check-onPreviewMostPollutedCitiesintheWorldAccordingtoTimeMagazine,themostpollutedcityintheworldisLinfen,China.ThetoptenmostpollutedcitiesintheworldaccordingtoTimeMagazineare:Linfen,ChinaTianjin,ChinaSukinda,IndiaVapi,IndiaLaOroya,PeruDzerzhinsk,RussiaNorilsk,RussiaChernobyl,UkraineSumgayit,AzerbaijanKabwe,ZambiaWarmingupCheck-onPreview1.Wearefacedwithallkindsofenvironmentalproblemsnowadays.ButwhatistheonethatRachelCarsondealtwithinherbookSilentSpring?2.Howdochemicalsaffecttheenvironmentandpeople?3.DoesCarsonmeanthatinsecticidesshouldneverbeusedinagriculture?Warmingup1.Content&Message:•Developanenvironmentalconsciousness(liveandletlive).2.Language:•Practicereadingskills.–understandingextendedessays(acombinationofdescription,expositionandargumentation)–understandingcomplicatedparagraphs–readingforgist–inferringtheauthor’sattitudes/feelings/opinions/conclusions(herloveforthebeautyandintegrityofnature;herviewofman’srelationtonature)–drawinginferencesObjectivesWarmingup2.Language:•Appreciatedescriptivewriting(useofsensorywordstopaintpictures).•Appreciatedevicestomakewritingpreciseandpowerful.•Learnhowtouse“so”and“such.”ObjectivesWarmingupBackgroundAuthorSilentSpringUnit5RachelCarson(1907-1964)biologist,writer,ecologistintenselovefornaturesinceherchildhood→“Humanshavenowacquiredafatefulpowertoalterandtodestroynature.ButManisapartofnature,andhiswaragainstnatureisinevitablyawaragainsthimself.”―RachelCarsonAuthorBackgroundHerLifeShewasoncebitterlyattacked:“ananti-humanitariancrank,apriestessofnature,andahystericalwoman”Butshecourageouslywentonfightinguntilherideacaughtonandmoreandmorepeoplejoinedin.→themotherofmodernenvironmentalmovementAuthorBackgroundHerLife1.Whenwasitpublished?2.Whowastheauthor?3.Whatisitabout?Whatisitscentralargument?4.Howwasitreceived?5.Howsignificantisitnow?6.Doesitstillmakesensenow?AuthorBackgroundBasicInformation•ThebookwaspublishedinSeptember27,1962.•Thebookiswidelycreditedwithhelpinglaunchtheenvironmentalmovement.RachelCarsonBasicInformation•Before1960s,onecanhardlyfindthephrase“environmentalprotection”inanynewspapersormagazinesorbooks.Therewasnosuchaconcept.•Peoplearoundtheworldatthattimewereyellingtheseslogans:“declarewaronnature”,“conquernature”.However…Nowenvironmentalprotectionisahittopic.Withtheblossomingagricultureandthedevelopmentofscientifictechnology,peoplewidelyusedinsecticide(orpesticide)(杀虫剂)andherbicide（除草剂）tokillbugsandcleanweedswithoutrealizingtheharmtheywerebringingtothelandandorganismsatthesametime.BasicInformationBeforethebookcameout…MainContentSilentSpringisanepoch-makingbookwhichdocumenteddetrimental（有害的）effectsofpesticidesontheenvironment,particularlyonbirds.RachelCarsonaccusedthechemicalindustryofspreadingdisinformation,andpublicofficialsofacceptingindustryclaimsuncritically.MainContentThebookarguedthatuncontrolledandunexaminedpesticideusewasharmingandevenkillingnotonlyanimalsandbirds,butalsohumans.Itstitlewasmeanttoevokeaspringseasoninwhichnobirdsongscouldbeheard,becausetheyhadallvanishedasaresultofpesticideabuse.Thesis…‘SilentSpring’IsNowNoisySummerProfoundInfluenceProfoundInfluenceThebooktriggeredthepublicconcernonenvironmentalprotection.Environmentproblemsbegantoappearongovernmentalagendainmanycountries.AmericasetupEnvironmentProtectionAgencyin1970.Non-governmentalorganizationsforenvironmentalprotectionweregraduallysetuptoo.ThetoxicpesticideDDTwhichhadwonaNobelPrizeawardwasforbiddeninmanycountriesnow.ProfoundInfluenceSilentSpringthebookwarnedusthatenvironmentalprotectionisnotonlyabusinessofindustriesandgovernments,butalsoabigmatterofallhumanbeings.Weshouldrespectandcherishthenaturalenvironmentanditsresources.Weshouldliveharmoniouslywithalllivingthingsinoursurroundings.Startfromlittlethingstosupporttheenvironmentalprotectionbusiness!DetailedAnalysisStructureTextAnalysisSilentSpringUnit5ThemeOutofhisignoranceandlackofconcernfortheintegrityofnature,manistamperingwithnaturebyabusingchemicals,causingirrecoverableharmsonenvironmentandpeo