Unit2Theenvironmentwelcometotheunit＆Wordpower教材：牛津高中英语(模块五)高二上学期文档内容：教学设计—教案单元：Unit2Theenvironment板块：Welcometotheunit＆WordpowerThoughtsonthedesign:本节课是以welcometotheUnit为导入的词汇教学课，主要是训练学生如何用相关的词汇来描述环境污染和环境保护的内容。设计上以北京的申奥阻力引出世界范围内环境的恶化，使学生了解人为或自然所造成的各种环境问题，掌握与环境相关的词汇。面对这些问题，邀请学生尝试设计与北京奥运村类似的环保型旅馆，过程中学习带有“eco-”前缀的复合词。最后，通过完成短文的形式来检查学生对新词的理解程度，使学生加深对新词的理解。Teachingaims:Afterlearningthesetwosections,thestudentswillbeableto1.learnwordsrelatedtotheenvironment.2.knowthecurrentsituationofenvironment.3.knowtheimportanceofenvironmentprotection.4.usethewordsaboutenvironmentasmanyaspossible.Teachingprocedures:Step1leadin(PPT4-20)1.Teacher:Whatisthemostimpressiveeventin2008?Students:TheOlympicGamesinBeijing.(PPT4-5)2.Teacher:ButdoyouknowsomepeoplewereagainstholdingtheOlympicGamesinBeijing?Why?(BecauseoftheclimateinBeijing)(PPT6-7)3.Teacher:Actually,theenvironmenthasbecomeaseriousproblemintheworld.Canyouthinkofotherenvironmentalproblemsnowadays?(PPT9-10)4.Showstudentspicturesofotherenvironmentalproblems.(PPT11-20)[Explanation]以08奥运这一时事热点作为导入，引起学生的兴趣，使学生有话可说、想说，并由北京沙尘暴自然过渡到全球环境问题。WelcometotheUnit以及wordpower的B部分都设计到一些人为或自然原因造成的灾害，因此合并处理。Step2vocabularylearningandextension(PPT21-32)1.Withalltheseproblems,whatcanwedotoprotectourenvironment?(PPT21)2.GovernmentinChinaputforwardthemesoftheOlympicGamesandmadesurethattheOlympicVillageisenvironmentallyfriendly.(PPT22-24)3.Whatisanenvironmentallyfriendlyhotelinyourmind?(PPT25-28)①Whattypeofenergydoesanenvironmentallyfriendlyhoteluse?Natural,safeenergyfromthesun,solarenergy,insteadofdiggingupEarthtofindfossilfuels.②Howdoesanenvironmentallyfriendlyhotelwashthesheets?Eco-friendlywashingpower.③Whatotherfeaturesdoesanenvironmentallyfriendlyhotelhave?[Explanation]由环境问题引发学生思考，我们应该为环境保护做些什么？这一环节给学生提供了思考以及开口说话的机会。再由北京的绿色奥运主题，给学生介绍环保节能的奥运村，引导学生描绘理想中的环保型住宅，为下一步骤的阅读做铺垫。4.ReadtheintroductionofanenvironmentallyfriendlyhotelEcovilleandfindoutwordsrelatedtoenvironmentprotection.(PPT29-30)ecotourists,ecosystem,eco-friendly,ecoville5.Learnwordsthatincludetheprefix‘eco-’.(PPT31-32)[Explanation]通过阅读环保型旅馆的介绍性文章，学生掌握更多与环境相关的单词，并通过学生自己，发现词汇规律，介绍eco-前缀的词汇，扩充学生的词汇量。Step3exercises(PPT33)HelpthemanagementofEcovillewriteanadvertisementonP27Keys(1)environmental(2)ozonelayer(3)ecosystem(4)energy(5)fossilfuels(6)eco-friendly(7)harm(8)ecotourists[Explanation]通过完成短文的练习，巩固学生对本课时所学词汇的掌握。
