八年级英语下册 unit 8 a green world welcome to the unit教案 （新版）牛津版

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1、Agreenworld教学目标1.能准确运通有关如何保护环境的表达。2.能就环保的话题展开讨论。3.培养学生保护环境的意识。重点难点词汇：digseriouscausewise词组：takeshortershowersturnoff词汇：breadfruitreducerecycle教学过程二次备课一、创设情境---引锚WarmingupbyaskingquestionsTeachershowsapictureofatrowel.Ask:Look,Ihaveatrowel.Whatcanweuseittodo?Ss:Todigholes.T:Ho

2、boisgoingtodigholes.Doyouknowwhy?Let’sfindouttheanswertogether.Teacherplaysthetapeandstudentsfindtheanswer:Hobowillplanttrees.Teacherplaysthetapeagainandletthestudentsanswermorequestions:(1)WhydoesHobowanttoplantmoretrees?(Becausetreesaregoodforus.)(2)DoesEddiewanttogowithHob

3、o?(Yes,hedoes.)(3)WhatdoesEddiewanttoplant?(Hewantstoplantbreadfruittrees.)二、自主合作---探锚探究活动一Talkingaboutfourpicturesonpage106.Readafterthetape.Teacher:Listentothetapeandfollowinchorus.Payattentiontoyourpronunciationandintonation.Dividetheclassintotwobiggroupsandreadthefourpict

4、ures.（活动方式：独自回答—小组讨论、校对）探究活动二ActivitiesOrganizethestudentstoplaytherolesandreadthedialogue.Teacher:WorkinpairsandreadtheconversationbetweenEddieandHobo.Youcanaddyourownideas.Choosesomestudentstoactouttheirshows.（活动方式：独自回答——小组校对、讨论——表演）探究活动三Welcometotheunit1.Talkaboutagreenlif

5、e.Teachershowsapictureandaskstudents:What’stheboydoing?Why?T:Wecanprotecttheenvironmentbyrecyclingwaste.Teachnewphrases:reduceairpollution,takeshortershowers,saveenergy,turnoffthelights.LetthestudentsfinishtheexercisesofPartA.2.Showthepicturesofpollution.Teacher:Ourplanetisin

6、trouble!Weshouldtryourbesttoprotecttheenvironment.Whatelsecanwedo?Teacherpresentsthefollowingsentencesforthestudents:(1)Turnoffcomputerswhenwearenotusingthem.(2)Usecoldwaterinsteadofwarmorhotwatertowashourhandswhenpossible.(3)Usebothsidesofapieceofpaper.(4)Sende-cardsinsteado

7、fpapercards.(5)Buyproductsthatyoucanuseagain.(6)Reducewaste.1.Practice.Teacher:Livingagreenlifeishelpfulforprotectingtheenvironment.MrWuandthestudentsaretalkingaboutit.Playthetapeandletthestudentsreadafterthetape,trytofindthemethodsofprotectingtheenvironment:(1)taketheundergr

8、oundtoschool/work(2)choosepublictransport,ridebicycles(3)takeshorter