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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious主备人审核初三英语备课组复备人：_________时间：_________课时安排4课时教学三维目标Ⅰ.知识与能力目标1.Mastersomenewwordsandusefulexpressions：sand,although,sandstorm,desert,humanbeing,reduce,completely,changeinto,stop…from,blow/wash…away,asaresult2.Sentences:①Alo
2、tofwatercanbesavedbyforests.②Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotecttheenvironment.3.Grammar:Indefinitepronounandadverb.Ⅱ.过程与方法通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的学习习惯。通过3中的插图预测并描述新话题，培养学生的逻辑推理能力。Ⅲ.III.情感态度与价值观让学生了解环境污染的严峻形势，引导学生爱护大自然，爱护花草树木，树立绿
3、色环保意识。教材分析1.重点somenewwordsandusefulphrases;theindefinitepronounandadverb2.难点根据图片和信息提示词描述沙尘暴形成的过程3.教法listening,speakinganddiscussing4.教具multimedia课时安排TheFirstPeriodSectionAThemainactivities1a,3,4TeachingprocedureStep1ReviewShowsomepicturestotalkaboutthepollutionsandtheharmtoth
4、eenvironment.Step2Presentation1.PlayashortvideoaboutasandstormandletSsguesswhatkindofweatheritis.2.Showsomepicturestotalkabouthowthedesertcomeintobeing,learnthenewwordsandfinish3,thenleadto1a.Step3Consolidation1Presentthepicturein1a.LettheSslistento1aonceanddo1balone.2LettheS
5、slistento1aagainandcompletethefunctionsoftreesin1c.3LettheSsread1aingroupsandthenroleplayit.4LettheSsreadagainandfindtheimportantphrasesin1a.ThenwritethemdownontheBb，thenexplainthelanguagepoints.5LeadtheSstocompletethesentenceswiththecorrectformsofthegivenphrasesintheboxin2.6
6、.LeadtheSstolookatthephrases.Listentothepassageandcirclethephrasesyouhear.Thenlistentwicetocompletethesentences.Finish4.Step4PracticeDotheexercises:1._______LiangLiisverybusy,shealwayshelpsothers.A.ButB.AndC.AlthoughD.Because2.Alotofrichlandhaschangedintodesert,leavingonly___
7、__(沙子).3.森林有利于防止水土流失。Forestshelptokeepwater_____________theearthaway.4.大量良田变成荒漠。Alotofrichlandhas___________intodesert.5.我们应该尽一切努力保护环境。Weshoulddo__________toprotecttheenvironment.Step5Project1:Sumupwhattheyhavelearntinthisclass.2:HMK:Writeashortpassageabouthowsandstormcomesin
8、tobeing.板书设计：Alltheseproblemsareveryserious.SectionAchangeintostop…f
