现代大学英语 第三册 Unit5 Silent Spring

1、SilentSpring—RachelCarsonUnit5Workinpairstonameenvironmentalproblemsthatarethreateningourworld.sandstormdesertificationsoilerosiondeforestationsalinizationEnvironmentalProblemsAir-relatedenvironmentalproblemsGreenhouseeffectOzonedepletionAirpollutionwater-relatedenvironmentalproblemsAcidrainWastewaterWatercrisisMarinepollutionandacidificationLand-relatedenvironmentalproblemsProblemsarisingfrominefficientlanduse(urbansprawl,habitatfragmentation,habitatdestruction)Problemsarisingfromland。

2、pollutionanddegradation(desertification,landpollution,soilpollution)OtherenvironmentalproblemsTheuseofpesticidesInefficientuseofresourcesandenergycrisisNon-recyclablewaste(plasticandelectronicwaste)Geneticengineering(geneticallymodifiedfoods)Nucleardevelopment1.Wearefacedwithallkindsofenvironmentalproblemsnowadays.ButwhatistheonethatRachelCarsondealtwithinherbookSilentSpring?2.DoesCarsonmeanthatinsecticidesshouldneverbeusedinagriculture?3.Howdoyouseetheenvironmentalproblemsinyourcity?Howsho。

3、uldourgovernmentdo?andhowshouldwecitizensofthiscitydo?PreviewQuestions1.Content&Message:•fillinthegapinourknowledgeoftheenvironmentofdegradationbetweenCarson’stimeandthepresentday•developanenvironmentalconsciousness2.Language:•newwordsandexpressions•practicereadingskills–understandingcomplicatedparagraphs–readingforgist–inferringtheauthor’sattitudes/feelings/opinions/conclusions–drawinginferencesObjectivesShehadanintenselovefornaturesinceherchildhood:“Humanshavenowacquiredafatefulpowertoalterand。

4、todestroynature.ButManisapartofnature,andhiswaragainstnatureisinevitablyawaragainsthimself.”―RachelCarsonAuthorBackgroundPublications:UndertheSea-Wind《海风下》TheSeaAroundUs《周遭之海》TheEdgeoftheSea《在海之滨》SilentSpring《寂静的春天》Shewasoncebitterlyattacked:“ananti-humanitariancrank,apriestessofnature,andahystericalwoman”Butshecourageouslywentonfightinguntilherideacaughtonandmoreandmorepeoplejoinedin.→themotherofmodernenvironmentalmovementAuthorBackgroundThe$300,000,000pesticidesindustryhasbeenhighlyirritatedby。

5、aquietwomanauthorwhosepreviousworksonsciencehavebeenpraisedforthebeautyandprecisionofthewriting.Inherlatestwork,however,MissCarsonisnotsogentle.Morepointedthanpoetic,shearguesthatthewidespreaduseofpesticidesisdangerouslytiltingtheso-calledbalanceofnature.Pesticidespoisonnotonlypests,shesays,butalsohumans,wildlife,thesoil,foodandwater.NYTimes15apr64ReportonSilentSpring(1962)1.Howwasitreceived?2.Howsignificantisit?3.Doesitstillmakesensenow?Aboutthebook…Whenthebookfirstappeared,Carsonwasbitterlyat。

6、tackedbythechemicalindustryandsomepeopleinthegovernmentasanalarmist,butshecourageouslyspokeoutagainstthosecriticism.Thethreatsshehadoutlined—thecontaminationofthefoodchain,cancer,geneticdamage,thedeathsofentirespecies—weretoofrighteningtoignore.Forthefirsttime,theneedtoregulateindustryinordertoprotecttheenvironmentbecamewidelyaccepted,andenvironmentalismwasborn.DetailedAnalysisStructureTextAnalysisSilentSpringUnit5ThemeI.StructureoftheTextPartI:paras.1-6atownbefore&afterthedisasterPartII:pa。

7、ras.7-9causeofthedisaster:chemicalsPartIII:paras.10-14character&impactofman’stamperingwithnaturePartIV:paras.15-18reasonswhypesticidesfailtosolvethepestproblemPartV:paras.19-24causeofmodernpestproblemandpossiblesolutionsPartVI:para.25Partone(1-6):DiscussionHowdidthetownlooklikebeforeandafteritwaspolluted?Inparagraph3,itmentionedthatsomeevilspellsettledonthecommunity,whichmadethelivesinthiscityloseitsvigor.Isitthetruth?Ifnot,whatmadeit?II.DetailedDiscussionoftheText1.Therewasonceatowni。

8、ntheheartofAmericawherealllifeseemedtoliveinharmonywithitssurroundings.(---1)heart:thecentralormostimportantpartinharmonywith:inastateofpeacefulco-existenceandagreementParaphrase:OnceuponatimetherewasatowninthecentralpartofAmericawherealllivingthingsseemedtoco-existpeacefullywiththeirenvironment.E.g:•racialharmony•domesticharmony•Everyonelivesinharmonywitheachother.•Tourismshoulddevelopinharmonywithenvironment.•Wearelivinginaharmonioussociety.harmony:nharmoniousadjliveinharmonywith与…和谐相处172.。

9、Thetownlayinthemidstofprosperousfarms,where,inspring,whitecloudsofbloomdriftedabovethegreenfields.(---1)Inthemidstof:a.在当中（表方位)b.正当某事发生的时候（表时间）whitecloudsofbloom:flowersarelikewhitecloudsprosperous:booming;promising;(ofplants)growingwellThetownlayamongbooming(orwellgrowing)farms.Inspring,flowersfloatedabovethegreenfieldsjustlikeclouds.setup:tocause,produce,raise:~awallablazeofcolor:animpressiveandnoticeableshowofcolors色彩斑斓Para:Inautumn,theoak,mapleandbirchtreesturnedyellow,redorbrown,thusmaki。

10、ngabeautifulshowofcolorsagainstthedarkgreenofpinetrees.PayattentiontoCarson’suseofcolorindescribingthetownbeforeitsenvironmentwascontaminated3.Inautumn,oakandmapleandbirchsetupablazeofcolorthatflamedandflickeredacross...flickerv./n.a.tomovewithsmallquickmovements摇曳b.(ofalightoraflame)tokeepgoingonandoffasitshinesorburns忽明忽暗e.g:shadowsflickeringonthewallleavesflickeringinthewindThecandleflickeredinthewind.Asmileflickeredacrosshisface.flame:a.burnwithabrighterflameb.gloworshinelike(thecolourof)fla。