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1、Unit4GlobalwarmingⅠ.单元教学目标技能目标SkillGoals▲Talkaboutglobalwarming,pollutionandtheimportanceofprotectingtheearth▲Practiseexpressingagreement,disagreement,blameandcomplaint▲Howtouse“it”foremphasisinasentence▲WriteanessayonenvironmentalproblemsⅡ.目标语言功能句式Expre
2、ssingagreement,disagreement,blameandcomplaintYes,Iagreewithyou.Yes,Ithinkso.Ibelievethatyou’vegotitright.Idon’tthinkso.Idon’tthinkthat’sright.I’mafraidyouarewrong.I’msorrytobringthisup,but...I’msorrytohavetosaythis,but...Theyshouldn’thavedoneit.Theyareto
3、blame.Whydon’tyoudosomethingaboutit?Perhapstheyshould/oughttodo...词汇1．四会词汇compare,graph,phenomenon,fuel,quantity,per,data,catastrophe,climate,consequence,state,range,glance,widespread,decrease,steady,steadily,average,existence,outer,electrical,motor,can(
4、n.),microwave,nuclear,disagreement,title2．认读词汇renewable,greenhouse,Fahrenheit,Sophie,Armstrong,Janice,Foster,methane,CharlesKeeling,measurement,Celsius,famine,destruction,GeorgeHambley,speculation,environmental,hectare,emphasis,individual,appliance,headi
5、ng,imperative3．词组compareto,comeabout,quantitiesof,resultin,buildup,keepon,onthewhole,makeadifference,putupwith,solongas,andsoon4.重点词汇data,quantity,catastrophe,climate,consequence,compare,per,range,glance,average,existence语法“It”usedforemphasisItishumanact
6、ivitythathascausedthisglobalwarming.重点句子1.Thereisnodoubtthattheearthisbecomingwarmer.P262.Withoutthe‘greenhouseeffect’,theearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.P263.Theyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresulte
7、dinthisincreaseincarbondioxide.P264.Together,individualscanmakeadifference.P305.Ittakesalotofenergytomakethingsfromnewmaterials….P306.Remember—yourcontributioncounts.P30Ⅲ.教材分析与教材重组1.教材分析本单元以Globalwarming为主线，旨在通过单元教学使学生经过思考、学习，认识到全球变暖的起因和它所带来的种种后果。同时鼓励学生进
8、一步阐述地球所面临的其它严重问题，激发学生的环保意识。引导学生运用所学语言、句式表达自己对这些现象的看法，培养他们为自己的观点辩论的能力，并能运用所学知识写一篇有关环境问题的论文。1.1WarmingUp通过直观的图片，使学生对能源的用途和种类有一个基本的了解。让学生对当今人们开发和使用能源以及随之而来的种种影响有更深一步的思考和认识，从而为本单元主题Globalwarming作了很好的铺垫。1.2Pre-reading是Reading的热
