九年级英语上册 unit 2 topic 3 what can we do to protect the environment教案 （新版）仁爱版

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1、Unit2Topic3WhatcanwedotoprotecttheenvironmentSectionATeachingaimsanddemands1.Learnsomenewwords:plastic,suppose,besupposedtodo,nod,agreement,shake2.Learnausefulsentence:Everyoneissupposedtodoso.3.Learnthecompoundsentenceswith“or”,“and”,“but”and“while”:(1)Noiseisakindofpollutionandit’sharmfulto

2、ourhearing.(2)Theearthisbeautifulbutpeoplehurttheearthnow.(3)Workhard,oryouwillfailtheexam.(4)ShewasbusycookingwhiletheywerewatchingTV.3.Learntotalkaboutenvironmentalprotection.Teachingfocus:Learnthecompoundsentenceswith“or”,“and”,“but”and“while”Teachingprocedure:Step1ReviewTalkabouttheharmof

3、pollutioninlasttopic.Therearemanykindsofpollution,suchaswaterpollution,airpollution,lightpollution,litterandsoon.Butdoyouknowhowthesekindsofpollutionaffectourenvironment?Volunteers?Example:S1:Waterpollutionmakessomeanimalsdead.S2:Waterpollutionmakessomeplantsdead.S3:Peopleandanimalscan’tdrink

4、thewater.S4:Airpollutioncausesthegreenhouseeffect.S5:Airpollutionmakespeoplesickandevencausescancer.Step2Presentation1.Readandlearnthenewwords.Inordertoencouragethemtoreadwords,organizecompetetions,findoutwhocanreadthewordsfastandcorrectly.2.Translatethedialoguesinpairs.3.AccordingtotheTransl

5、ation,trytoactorreadthedialogues.4.listentothetape,thenfindouttheanswer.Step3ConsolidationFillintheblanksaccordingto1aStep4PracticeListentothetapecarefully.You’llhearfourpeopletalkingaboutenvironmentprotection.Thenfinish2.(1)Weshoulduseplasticbagsasfewaspossible.(2)Weshouldthrowthegarbageinth

6、eriver.(3)Weshouldreducethewasteweproduce.(4)Weshouldusebothsidesofpaper.(5)Weshouldthrowtheplasticbagsratherthanreusethem.Workalone.jointhesentencesin3with“or”,“and”,“but”or“while”aftertheexample.(1)Younodyourheadanditmeansagreement.(2)Hurryup,oryou’llmissthetrain.(3)Waterisimportantbutsomep

7、eopledon’tsaveit.(4)Somepeopleprotectanimalswhileotherskillanimals.Homework:Writedownthesentencesin3.DesignWouldyouliketobeagreenerperson?SectionAbesupposedtodosth.1.Younodyourheadanditmeansagreement.Reduce2.Hurryup,oryou’llmissthetrain.theth