高中英语 Module 4　Sandstorms in Asia Period 5教案 外研版必修3.doc

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1、Period5　Writing;EverydayEnglish整体设计教材分析本节是写作课,学生通过阅读文章可以学习如何描述相关话题。环境问题是英语课中常见的话题,也是当前的热点话题,学生在本节课中学习描述环境污染问题并提出应对办法。通过阅读和听说,学生的写作离不开前面的学习,分组讨论和单独写作过程将使学生能够形成写作成果,因此教师可以选择部分较好的作文在课上展示。而后面的日常英语表达会令课堂轻松一下。三维目标1.知识与技能1)Makestudentslearntowriteaparagraphdescribingenvironmentalproblems.2)Makestudentsp

2、racticesomeusefulexpressions.2.过程与方法1)MakestudentslearnhowtousesomesimpleEverydayEnglishinaconversation.2)Throughtheanalysisofthestepsinwritingashortparagraphaboutenvironmentalproblem,studentsmaylearnsomestrategiesondescribingenvironmentalproblems.3.情感与价值Throughthestudyofthisperiod,askstudentstol

3、oveouronlyearthandprotectenvironment.教学重点Learntodescribeoneenvironmentalproblem.教学难点1.Usewhatwehavelearnedtogivesomesolutions.2.Howtoexpresswhatwearethinkingabout.教学方法Practice&explanation.教学过程→Step1Revision1.Greetstudentsasusual.2.Checktheirworkbookexercises.Amaterialabouttheenvironmentprotecti

4、on.Peopletodayallovertheworldarebeginningtohearandlearnmoreandmoreabouttheproblemofpollution.Pollutioniscausedeitherbythereleaseofcompletelynewandoftenartificialsubstancesintotheenvironmentorbyreleasinggreatlyincreasedamountsofanaturalsubstance,suchasoilfromoiltankersintothesea.Withthedevelopme

5、ntofmodernindustry,manyofthegoodsandmachinesweneedanduseinourdailylivesarecreatinganumberofwasteproductswhichupsettheenvironmentbalance.Manyofthesewasteproductscanbepreventedifpeoplepaymoreattention,butclearlywhilemoreandmorenewgoodsareproducedandmadecomplex,therewillbenewdangerouswastestobethrow

6、naway,forexample,thewasteproductsfromnuclearpowerstations.Manypeople,therefore,seepollutionasonlypartofalargerandmorecomplexproblem.Thereisnodoubtthatmuchofthepollutioncausedcouldbecontrolledifonly5专心爱心用心companies,individualsandgovernmentwouldmakemoreefforts.Athomethereisanobviousneedtocontrollit

7、terandwaste.Foodcomeswrappedupthreeorfourtimesinpackagesthatallhavetobegotridof;drinksareincreasinglysoldinbottlesortinswhichcannotbereused.Thisnotonlycausesalitterproblem,butalsoisagreatwasteofresources,intermsofglass