现代大学英语精读第二版book3unit5课件

SilentSpringRachelCarsonReinforcementTextAnalysisBackgroundWarmingupSilentSpringUnit5Questions/ActivitiesCheck-onPreviewObjectivesWarmingupSilentSpringUnit5WarmingupWorkinpairstonamefiveenvironmentalproblemsthatarethreateningourworld.Questions/ActivitiesCheck-on

PreviewWearefacedwithallkindsofenvironmentalproblemsnowadays.ButwhatistheonethatRachelCarsondealtwithinherbookSilentSpring?Howdochemicalsaffecttheenvironmentandpeople?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.”ObjectivesWarmingupBackgroundAuthorSilentSpringUnit5

RachelCarson(1907-1964)biologist,writer,ecologistintenselovefornaturesinceherchildhood→“Humanshavenowacquiredafatefulpowertoalterandtodestroynature.ButManisapartofnature,andhiswaragainstnatureisinevitablyawaragainsthimself.”

―RachelCarsonAuthor

BackgroundHerLife精选Shewasoncebitterlyattacked:“ananti-humanitariancrank,apriestessofnature,andahystericalwoman”Butshecourageouslywentonfightinguntilherideacaughtonandmoreandmorepeoplejoinedin.→themotherofmodernenvironmentalmovementAuthorBackgroundHerLife精选1.Whenwasitpublished?2.Whowastheauthor?3.Whatisitabout?

Whatisitscentralargument?4.Howwasitreceived?5.Howsignificantisitnow?6.Doesitstillmakesensenow?AuthorBackgroundDetailedAnalysisStructureTextAnalysisSilentSpringUnit5ThemeQuestionsforthinking:WhatcanyouinferaboutCarson’sviewoftherelationbetweenmanandnature?Washerviewcommoninhertime?Howdoyouarriveatthisinference?ThemeTextAnalysisPartI:paras.1-6atownbefore&afterthedisasterPartII:paras.7-9causeofthedisaster:chemicalsPartIII:paras.10-14character&impactofman’stamperingwithnaturePartIV:paras.15-18reasonswhypesticidesfailtosolvethepestproblemTextAnalysisStructurePartV:paras.19-24causeofmodernpestproblemandpossiblesolutions

PartVI:para.25conclusionLogic&TechniqueWhat:frominteresttoconcernHow:fromgeneraltospecific

fromnaturetomanWhy:fromeffecttocauseHow:fromcausetosolutionTextAnalysisStructuredescriptionexpositionargumentationexposition&argumentationQuestionsforthinking:WhydidCarsondevoteawholeparagraphtodescribethespreadingofspeciesinnaturebeforeshementionedman’sroleintheprocess?Didshealwaysfirstdescribethemechanismsinnaturebeforetalkingaboutman’stamperingwithnature?Whydidshepresentherideasinthisway?What’sherhiddenargument?TextAnalysisStructureContrast:atownbefore&afterthedisasterBeforeColorSoundMotionOverallimpression:vibrant,harmonious,beautifulAfterColorSoundMotionOverallimpression:lifeless,deserted,awfulTextAnalysisDetailedAnalysisPartI:MainIdea精选Whydidtheauthorpaintsuchabeautifulpictureofanon-existenttown?Whatwasshetryingtoappealto?

TextAnalysisDetailedAnalysisPartII:DiscussionNatureDirection:environment→lifeSpeed:Character:adaptativeHumanDirection:life→environmentSpeed:Character:destructive

irrecoverableHowhasmanchangedtherelationbetweenorganismsandtheirsurroundings?TextAnalysisDetailedAnalysisPartIII:Discussion2.Inwhatwayhasman’spowerchangedincharacter？(para.11)3.Howdochemicalsaffectourlife?(para.11)“passingfromonetoanotherinachainofpoisoninganddeath”4.Whatarethetwoexamplesgivenbytheauthorasman’stamperingwithnature?(paras.11-13)5.Whyisman’schangeoftheworldparticularlydevastating?(paras.12-14)PartIII:DiscussionTextAnalysisDetailedAnalysis1.Whyarepesticidesnotagoodsolution?(3reasons)Theykillindiscriminately,reducingbiodiversity.(para.16)Theycontaminatetheentireenvironment.(para.16)residualeffectTheycouldn’tsolvethepestproblem.(para.17)resistancetochemicalsresurgenceinducedbypesticidesTextAnalysisDetailedAnalysisPartIV:Discussion2.Whatdoesthe“endlessspiral”referto?(para.17)3.Whatdoestheauthormeanbysaying“alllifeiscaughtupinitsviolentcrossfire”?(para.17)4.Whatistheauthor’sattitudetowardsman’suseofchemicals?Howisitimplied?

Rhetoricalquestions:“Cananyonebelieveitis…?”(para.16)“Howcouldintelligentbeings…?”(para.18)TextAnalysisDetailedAnalysisPartIV:DiscussionTranslation1.化学制品在农业上被广泛地、无区别地使用。(applyto)2.我们应该储存一些食物以应急。(laydown)3.这本书刚一出版，她就被卷入了争论的漩涡当中。(becaughtupin)4.他的发明只有一项最终进入了市场。(finditswayinto)TextAnalysisDetailedAnalysisPartIV:Exercise1.Whatprinciplesshouldwefollowtosolvethepestproblem?(para.19)2.Howdidthepestproblemcomeintobeing?intensificationofagriculture(para.20)invasionofimportedspecies(paras.21-23)3.Doesspreadingoforganismstonewplaceshappeninnature?Howdoesithappen?Whatistheprimaryfactorinthisnaturalprocess?geologicalelement,i.e.separatingandrejoiningoflandswhichtookmillionsofyearstocomplete(para.21)TextAnalysisDetailedAnalysisPartV:Discussion4.Whatarethesensiblemeasurestosolvethepestproblem?(para.24)toavoidsuppressing“pests”togetmoreknowledgetopromoteanevenbalanceTextAnalysisDetailedAnalysisPartV:DiscussionInwhatwayshavewedonewronginusingchemicals?

surroundingspublicusersTextAnalysisDetailedAnalysisPartVI:DiscussionReinforcementDiscussionSilentSpringUnit5LanguageWritingTechniques1.HowdidCarson’sviewcontrastwiththepopularattitudetowardsnatureofhertime?2.Anythoughtsaboutthetext,thebookandthecontroversyitarouses?Whatistherightattitudetonature?Howdoyoulookathumanbeing’sroleinnature?Isourintelligenceablessingoracurse?Howshouldwelookatscienceandtechnology?WheredidCarson’ssenseofmissioncomefrom?ReinforcementDiscussionWhatisgoodwriting?Hermeasured,carefully-worded(language)yetpassionateprose(passion,love)wasallthemoredamningbecauseshe,herself,wasascientist(ideas;information).ReinforcementWritingTechniquesHowcanwewritewithpowerandprecision?EloquenceParallels…untiltheyemergeandcombineintonewformsthatkillvegetation,sickencattle,andworkunknownharmonthosewhodrinkfromoncepurewells.(para.11)…tostillthesongofbirdsandtheleapingoffish,tocoattheleaveswithadeadlyfilm,andtolingeroninsoil…(para.16)RhetoricalquestionsCananyonebelieve…?(para.16)Howcouldintelligentbeings…?(para.18)ReinforcementWritingTechniquesAntitheses:(juxtapositionofcontrastingideasinonegrammaticalstructure)Therapidityofchangefollowstheimpetuouspaceofmanratherthanthedeliberatepaceofnature.(para.13)…thisimaginedtragedymayeasilybecomeaharshrealityweallshallknow.(para.8)ReinforcementWritingTechniques2.PrecisionQualifyingexpressions