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Unit5一、授课时间：第10、11周二．授课类型：理论课9课时；实践课3课时三．授课题目：SilentSpring四．授课时数：12五．教学目的和要求：通过讲授课文使大学生了解有关环境保护的有关知识，学会用英语解释句子以达到学以致用的目的。要求学生主动地预习课文，课前准备练习，学会分析文章体裁和进行段落划分。六．教学重点和难点：1）背景知识的传授：Abouttheauthor；2）文章的体裁分析及段落划分；3）语言点的理解：Wordstudy:tochange;toexchange;beside;besides;except;usedto;beusedto;toshiver;totremble;toshake;toshudderGrammarFocus:Studyandlearnhowthewordssuchandsoareused;Studysuchpatternsasconsidering…;giventime;itisnoaccidentthat;itisnotmycontentionthat.七．教学基本内容和纲要PartOneWarm–up1.1Warm-upQuestions1.2DefinethefollowingwordsandphrasesPartTwoBackgroundInformation2.1WhatcanyouinferaboutCarson’sviewoftherelationbetweenmanandnature?PartThreeTextAppreciation3.1TextAnalysis3.1.1Themeofthetext3.1.2Structureofthetext3.2WritingDevices3.2.1Contrast3.2.2Developingparagraphsbyexamples3.2.3Otherwaysofdevelopingparagraphs?3.3SentenceParaphrasePartFourLanguageStudy4.1PhrasesandExpressions4.1.1Wordlist:4.1.2Phrasesandexpressionslist:4.1.3WordBuilding4.2Grammar4.2.1ObjectPartFiveExtension5.1Groupdiscussion八、教学方法和措施本单元将运用黑板、粉笔、多媒体网络辅助教学设备等教学手段，主要采用以学生为主体、教师为主导的任务型、合作型等教学模式，具体运用教师讲授法、师生讨论、生生讨论等方法进行教学。九．作业，讨论题，思考题完成课后练习；多看英语报刊杂志及英语经典小说，扩大阅读量；精听与泛听相结合，逐步提高自己的听力水平；积极参加英语角等有助于提高英语口语的活动；坚持用英语写日记；做一些专四相关练习；十．参考资料：1)杨立民主编,《现代大学英语精读》（3）第二版，学生用书。北京：外语教学与研究出版社,2012。2)杨立民主编,《现代大学英语精读》（3）第二版，教师用书。北京：外语教学与研究出版社,2012。3)李观仪主编，《新编英语教程》（第三、四册）。上海:上海外语教学研究出版,1999。4)黄源深，虞苏美等主编，《综合英语教程》（1-4册）。北京：高等教育出版社，1998。5)《高等学校英语专业英语教学大纲》，北京：外语教学研究出版社，2000。6)JudyPearsall主编，《新牛津英语词典》。上海：上海外语教育出版社，1998。7)丁往道、吴冰等编著，《英语写作手册》。北京：外语教学与研究出版社。8)张道真，《现代英语用法词典》（重排本）。北京：外语教学与研究出版社，1994。9)张道真，温志达,《英语语法大全》上、下卷。北京：外语教学与研究出版社，1998。十一、课后小结Unit5SilentSpringPartOneWarm–up1.1Warm-upQuestions1.Whatisthemessagegiventousintheessay?WhatareRachelCarson’smainarguments?Havetheystoodthetestoftime?2.Wearefacedwithallkindsofenvironmentalproblemsnowadays.ButwhatistheonethatRachelCarsondealtwithinherbookSilentSpring?3.Howdochemicalsaffecttheenvironmentandpeople?4.DoesCarsonmeanthatinsecticidesshouldneverbeusedinagriculture?1.2Definethefollowingwordsandphrases1.begearedto2.introduce…into3.agreatvarietyof…4.holdsthwithinbounds5.built-in6.check7.alimiton…8.setthestagefor9.explosive(increases)10.liveon(wheat)11.a/anotherfactorin…is…PartTwoBackgroundInformation2.1RachelCarson(1907-1964)biologist,writer,ecologist1.intenselovefornaturesinceherchildhood→“Humanshavenowacquiredafatefulpowertoalterandtodestroynature.ButManisapartofnature,andhiswaragainstnatureisinevitablyawaragainsthimself.”―RachelCarsonShewasoncebitterlyattacked:“ananti-humanitariancrank,apriestessofnature,andahystericalwoman”Butshecourageouslywentonfightinguntilherideacaughtonandmoreandmorepeoplejoinedin.→themotherofmodernenvironmentalmovementAboutthebook:1.Whenwasitpublished?2.Whowastheauthor?3.Whatisitabout?Whatisitscentralargument?4.Howwasitreceived?5.Howsignificantisitnow?6.Doesitstillmakesensenow?PartThreeTextAppreciation3.1TextAnalysis1.Questionsforthinking:a.WhatcanyouinferaboutCarson’sviewoftherelationbetweenmanandnature?b.Washerviewcommoninhertime?c.Howdoyouarriveatthisinference?3.1.2StructureofthetextPartI:paras.1-6atownbefore&afterthedisasterPartII:paras.7-9causeofthedisaster:chemicalsPartIII:paras.10-14character&impactofman’stamperingwithnaturePartIV:paras.15-18reasonswhypesticidesfailtosolvethepestproblemPartV:paras.19-24causeofmodernpestproblemandpossiblesolutionsPartVI:para.25conclusionLogic&TechniqueWhat:frominteresttoconcerndescriptionHow:fromgeneraltospecificexpositionfromnaturetomanWhy:fromeffecttocauseargumentationHow:fromcausetosolutionexposition&argumentationRelevantquestions:1.WhydidCarsondevoteawholeparagraphtodescribethespreadingofspeciesinnaturebeforeshementionedman’sroleintheprocess?2Didshealwaysfirstdescribethemechanismsinnaturebeforetalkingaboutman’stamperingwithnature?3.Whydidshepresentherideasinthisway?What’sherhiddenargument?3.1.3DetailedAnalysisofthetextPartI:MainIdeaContrast:atownbefore&afterthedisasterBeforeAfterColorColorSoundSoundMotionMotionOverallimpression:Overallimpression:vibrant,lifeless,harmonious,deserted,beautifulawfulPartII:Discussion1.Whydidtheauthorpaintsuchabeautifulpictureofanon-existenttown?2.Whatwasshetryingtoappealto?PartIII:Discussion1.Howhasmanchangedtherelationbetweenorganismsandtheirsurroundings?HumanNatureDirection:Direction:life→environmentenvironment→lifeSpeed:Speed:Character:destructiveCharacter:adaptativeirrecoverable2.Inwhatwayhasman’spowerchangedincharacter？(para.11)3.Howdochemicalsaffectourlife?(para.11)“passingfromonetoanotherinachainofpoisoninganddeath”4.Whatarethetwoexamplesgivenbytheauthorasman’stamperingwithnature?(paras.11-13)5.Whyisman’schangeoftheworldparticularlydevastating?(paras.12-14)PartIV:Discussion1.Whyarepesticidesnotagoodsolution?(3reasons)Theykillindiscriminately,reducingbiodiversity.(para.16)Theycontaminatetheentireenvironment.(para.16)–residualeffectTheycouldn’tsolvethepestproblem.(para.17)–resistancetochemicals–resurgenceinducedbypesticides2.Whatdoesthe“endlessspiral”referto?(para.17)3.Whatdoestheauthormeanbysaying“alllifeiscaughtupinitsviolentcr