仁爱版英语教学案例九上Unit2 Topic

1、Unit2Topic3SectionAThemainactivitiesare1aand3.本课重点活动是1a和3。I.Teachingaimsanddemands教学目标Learnsomenewwords:encourage,suppose,nod,agreement,shakeLearnthecompoundsentence.Learntotalkabouttheprotectionofenvironment.II.Teachingaids教具录音机/多媒体图片/小黑板IIIFive-fingerTeachingPlan五指教学方案Step1Review第一步复习（时间:8分钟）（师生互动

2、，复习上个话题的内容，练习学生的听、说能力。）T:Wetalkedabouttheharmofpollutioninthelasttopic.Andweknowtherearemanykindsofpollution,suchaswaterpollution,airpollution,lightpollution,litterandsoon.Howdothesekindsofpollutionaffectourenvironment?（教师以竞答的方式喊学生个别回答。）Example:S：Waterpollutionmakessomeanimalsdead.S2：Waterpollutionm

3、akessomeplantsdead.S3：Peopleandanimalscantdrinkthewater.S4：Airpollutioncausesthegreenhouseeffect.S5：Airpollutionmakespeoplesickandevencausescancer.S6：Airpollutiondestroystheozonelayer.T:Yes,youareright.Youknow,allkindsofpollutionarepollutingourenvironment.Sowearefacingtheseriouspollutionproblems.Wha

4、tshouldwedotoimproveourenvironment?（学生分组讨论，然后回答。）Group1:Dontspiteverywhere.Dontpicktheflowers.Plantmoretrees.Group2:Askthegovernmenttomakerulesandpulldownsomechemicalfactories.Askpeopletouseelectricity.T:Verygood!Youhavesomanygoodideastoimproveourenvironment.Wouldyouliketodosomethingusefultoimproveo

5、urenvironment?Ss:Yes,Ofcourse.T:Me,too!OK,letsbegreenerpeopletogether.Today,welllearnTopic3.Wouldyouliketobeagreenerperson?（板书）Wouldyouliketobeagreenerperson?Step2Presentation第二步呈现（时间:16分钟）（教师用图片引出本课的词汇和内容。）T:Ifwewanttobegreenerpeople,whatshouldwedoathome?（教师展示图片。）T:Letslookatthepicture.Whatarethey?

6、Ss:Theyareplasticbags.T:Yes.Butweshoulduseplasticbagsasfewaspossible.Inanotherway,Weshouldreducethem.（教师释义并领读reduce。）T:Whatkindsofbagsshouldweuse?（教师展示图片。）T:Wecanusebagslikethese.Wecanusethemagainandagain.Thatistosay,wecanreusetheminsteadofthrowingthemaway.（教师释义并让学生重复读reuse。）（教师展示图片。）T:Whataretheyin

7、thepicture?Ss:（回答不出。）T:Theyarecans.Theyaresoftdrinkcans.Shouldwethrowthemawayafterwedrink?Ss:No.T:You5reright.weshouldcollectthemforrecycling.（教师让学生看图片，总结。）T:Now,weknow,weshouldreduce,reuseandrecyclesomethingsathometoprotectourenvironment.WecallthethreeRsreduce,reuseandrecycle.（板书）thethreeRsreduce,r

8、euseandrecycleT:Everyoneshouldprotectourenvironment.Itsourdutytodoit.Thatistosay,Everyoneis_supposedtodoit.（板书）besupposedtodosth.T:Nowweknowhowtoprotecttheenvironmentathome.Whatcanwedoatschooltoprotecttheenvironment?Pleaselistentothetape,thenfindouttheanswer.（教师放录音la,让学生不看书回答问题。）T:Canyoufindoutthean

9、swer?（教师与学生核对答案。）（让学生再次听录音，回答小黑板上的问题，为下面完成lb做铺垫。）T:Pleaselistentothetapeagain,trytoanswerthequestionsonthesmallblackboard.（出示小黑板。）Whoisworkingforanorganizationthatprotectstheenvironment?WhatsKellysjob?Shouldweusebothsidesofpaper?Whyistherecyclinguseful?（教师与学生核对答案。）4.（让学生根据1a完成1b。）T:Pleasefillinthebl

10、anksaccordingto1a.（学生完成后与教师核对答案。）Step3Consolidation第三步巩固（时间:7分钟）（让学生跟读录音1a。）T:Pleasereadthedialogafterthetape.（让学生两人一组对话,以此方式多读几遍，然后检查几组学生，以检验活动成果。）T:Pleaseworkinpairs,youandyourdeskmateplaydifferentrolestopractice1a.Afterawhile,Illasksomegroupstoactitout.（让学生来复述la,以检查学生的语言组织能力。）T:Now,Illasksomestud

11、entstoretell1a.pleasetrytospeakinyourownwords.Forexample:Sl:ImKellyandstudyingatRenaiInternationalSchool.Inmysparetime,Iamworkingforanorganizationthatprotectstheenvironment.Step4Practice第四步练习（时间:10分钟）（让学生听录音,完成2。）T:Pleaselistentothetapecarefully,youllhearfourpeopletalkingaboutrecyclingitems,andfinis

12、h2.（学生若是听后完成表格有问题,可再放一遍,然后教师与学生核对答案。）（教师让学生判断一组陈述句是否是改善环境的行为，引出语法while,but,and,or引导的并列句。）（出示小黑板。）Weshoulduseplasticbagsasfewaspossible.Weshouldthrowtherubbishintheriver.Weshouldreducethewasteweproduce.Weshouldusebothsidesofpaper.Weshouldthrowtheplasticbagsratherthanreusethem.（教师与学生核对答案。）T:Lookatthef

13、ivesentences.Ifyouthinkthestatementofthesentenceisgoodforourenvironment,younodyourhead,anditmeansagreement,（教师做点头状并重复读nod。）oryoushouldshakeyourhead,itmeansdisagreement.（教师做摆手状。）（板书）nod,agreement,disagreement（教师出示小黑板上的句子，讲解While,but,and,or引导的并列句。）Younodyourhead,anditmeansagreement.Younodyourhead,.ory

14、oushouldshakeyourhead.Waterisimportanttopeople,butsomeofthemdontsaveit.Somepeopleprotectanimalswhileotherskillanimals.（教师让学生仔细看画线部分的单词在句中起到什么作用，并且看前后两个句子是什么关系。）T:Letslookatthesentences.Payattentiontothewordsunderline,whatstheusageofthem?Whatstherelationofthetwosentencesineachsentence?（让学生讨论后，教师与学生一起

15、分析这些句子，然后教师引导学生，师生一起总结并列句。）并列句的定义并列句的用法（1）表示并列关系，用and（2）表转折，用but,while（3）表选择，用or（让学生看3中的例句，完成句子。）T:Pleasejointhesentencesin3with“or,and,butorwhileafterthemodel.（学生完成后，教师检查核对答案。）Step5Project第五步综合探究活动（时间：4分钟）（教师用多媒体呈现一些垃圾图片，让学生判断。）T:Lookattheseobjectsinthepicture.Whichcanbereused,reducedorrecycled?（教师

16、让学生分组讨论，回答并核对答案。）Homework:WriteanarticleaboutthethreeRsinyourdailylife.板书设计：Wouldyouliketobeagreenerperson?SectionAYounodyourhead,anditmeansagreement.Workhard,oryouwillfailtheexam.agreementdisagreement3.ShewasbusycookingwhiletheywerewatchingTV.4.Theearthisbeautiful,butpeoplehurtitnow.besupposedtodos

17、th.reducethethreeRs-：reuse一recycleSectionBThemainactivitiesare1aand2a.本课重点活动是1a和2a。I.Teachingaimsanddemands教学目标Learnsomenewwordsandusefulexpressions:oughtto,turnoff,action,ontime.Goonlearningtoprotecttheenvironment.Reviewgivingadvice.II.Teachingaids教具录音机/小黑板/一只塑料瓶/罐头瓶/别的实物IIIFive-fingerTeachingPlan五

18、指教学方案Step1Review第一步复习（时间:15分钟）（分小组向全班同学汇报上节课的作业。教师准备一些垃圾并做些动作，学生判断正误，并纠正老师的行为，既激发兴趣又复习上节课内容。进行环保教育。）T:（教师出示一塑料瓶）Lookatthisplasticbottle,itsempty.Letsthrowitaway.（扔在地上）Ss:Mr./Miss.,youarewrong.T:Why?Ss:Becauseitcanbereused.T:（教师出示一罐头瓶。）Hereisacan.Itsnotuseful.S1,pleasethrowitoutofthewindow.S1:Sorry.M

19、r./Miss.,Icantdothat.Wemustprotectourenvironmentanditcanbecollectedandrecycled.T:Whatagreenerperson!Weallshouldprotecttheenvironmentaroundus.Weneedtoreducethewasteweproduce.Weshouldusebothsidesofpaper,andreuseplasticbagsratherthanthrowthemaway,butactionsspeaklouderthanwords.S2,couldyoupickuptheplast

20、icbottleonthefloorforme?S2:Certainly.（学生拾起。）（板书）Actionsspeaklouderthanwords.T:Thankyou.S2,youareagoodstudent.Everybodyshoulddoitlikethiseveryday,buteasiersaidthandone.（板书）Easiersaidthandone.（先让学生猜这两个句子的意思，教师再解释，并领读。）（进行一个分组练习，比比谁是绿色使者。）T:Everybodywouldliketobecomeagreenerperson.Butitsnoteasy,whoisgr

21、eener?Firstcomparewithyourpartner,sayhowtobeagreeneronebyone,thenIllaskseveralpairstocompare.（几分钟后，点出几组学生来比一比。）S3:Dontuseplasticbags.S4:Dontspitinapublicplace.S3:Turnoffthelightswhenyouleavearoom.S4:Savewaterwhenyouwashyourhands.（教师进行鼓励总结，导出新单词。）T:Accordingtoyourviews,weknowthatwecandolotsofthingsto

22、protecttheenvironmentatschoolandathome.Forexample,weoughttosaveeverydropofwaterandturnoffthelightswhenweleavearoom.Wedbetterwalkorrideabikewhileweretravelingashortdistance,Takeaclothbaganddontuseplasticbagswhenwegoshopping.（板书）oughtto=shouldturnoffturnontravelashortdistanceStep2Presentation第二步呈现（时间:

23、10分钟）卩）（教师将已设计好的听力问题呈现在黑板上。）（1）WouldMichaelliketobeagreenerperson?（2）Whenyougoshopping,doyoutakeaclothbagorplasticbags?(让学生听录音la,并回答问题。)(让学生再听录音，并说出简的建议。)T:Listentothetapeagain,andtellJanseadvice.（教师板书。）IFirst,yououghttoturnoffthelights.Second,youdbetterwalkorrideabikeinsteadof.Third,takeaclothbagwh

24、en.（要求学生跟读这些句子，并用oughtto和Youdbetter来提一些环保建议。）S1:Yououghttocleantheclassroom.S:Youdbetternotcutdownthetrees.2S3:.（让两位同学读la,别的同学认真听，并找出重难点和同桌讨论，教师深入学生中，了解共性问题并讲解，可简单复习不定式。）T:Now,Illlettwostudentsreadlaforus.Theotherslistencarefully,andfindoutthedifficultiesyoudontunderstand.Payattentiontothestressandi

25、ntonation.（板书并复习）Itseasytobeagreenerperson.Its+adj+todosth.Wouldyouliketobeagreenerperson?S9:First,Reducewaste.Dontbuybottlesorboxeswhichpeoplecanuseonlyonce.S10:Oh,thatseasy.Whatsnext?S9:Second,recycleboxesandplasticbottles.S10:Thatsright.S9：Step4Practice第四步练习（时间:8分钟）1.（1）（放录音2a,听听力并完成小黑板上的表格。）What

26、timeWheretogoHowtogoWhattodo（学生跟读2a,把新单词和重点内容画出来。）T:Listentothetapeandrepeat.Atthesametime,drawalineunderthenewwordsandimportantpoints.（板书新单词和重点内容，要求学生猜出词义。）Clean-upDay,ontimeT:Now,whocanguessthemeaningsofthem?(再次齐读课文,了解要点为下一步写作打基础。)(改填表格内容，要求学生写一则通知，训练学生的写作能力。出示小黑板。)Whattime8:00WhereOutsidetheschoo

27、lgateHowtogoBybusLunchTakefoodanddrinkbyyourselfWhattodoPlanttrees,collectgarbageT:Lookattheform,writeanoteforTreePlantingDay,thenreportitinfrontoftheclass.Youhavethreeminutestowrite.OK!Letsbegin!（教师在学生中巡视，并给予指导。）T:OK!Areyouready?Whocanshowyournote?Ss:Yes.（学生举手）S1:Boysandgirls,TomorrowisMarch12th,It

28、sTreePlantingDay.WedecidetogotoWestHilltoplanttrees.Ihopeeveryoneinourclasswilltakeanactivepartintheactivity.Wewillmeetoutsidetheschoolgateat8:00inthemorning,thengotherebybus.Intheafternoonwellplanttreesandcollectthegarbage.Therewillbealotofworktodotomorrow,somakesureyouhaveagoodresttonight.Seeyouto

29、morrow.T:Yourspeechiswonderful,whoelse?S2:Step5Project第五步综合探究活动（时间:4分钟）（和同桌讨论可以减少使用、再使用或回收再利用的各种东西，以此来完成2b。同时尽可能多地呈现一些可三Rs的日用物品，观点可能会出现分歧。）T:Now,pleaseworkinpairsandtrytocomplete2b.（教师再呈现一些实物，让学生判断。）T:Lookattheseobjectstogether.Doyouthinktheycanberecycled,reusedorreduced?Homework:（1）Writeanarticleab

30、outthreeRs.（2）Tellyourfamilyandfriendshowtosaveenergy.板书设计：Wouldyouliketobeagreenerperson?SectionBoughttoItseasytobeagreenerperson.turnoffturnonIts+adj+ashortdistanceWouldyouliketobeagreenerperson?Clean-upDayEasiersaidthandone.ontimeActionsspeaklouderthanwords.SectionCThemainactivities

31、are1aand2.本课重点活动是1a和2。I.Teachingaimsanddemands教学目标Learnanewword:electricLearnsomecompoundsentences:（1）Theyworkwell,buttheyareslowandcantrunforlong.LearnsomeFindsofenergyandtheiradvantagesanddisadvantages.II.Teachingaids教具录音机/挂图/图片/幻灯片/小黑板IIIFive-fingerTeachingPlan五指教学方案Step1Review第一步复习（时间：12分钟）（1）（通

32、过对上一课1a的复习，强调怎样做才能成为绿色使者，进一步增加学生的环保意识,同时也创造一种英语氛围。）T:CanyourememberwhatwehavelearnedinSectionB?Ss:Yes.T:CanyourememberJaneandMichael?Ss:Yes.（教师可以出示上一课1a图片。）T:WhatareJaneandMichaeldoing?Ss:Theyaretalkingabouthowtobeagreenerperson.T:Whatshouldtheydo?Ss:First,turnoffthelightswhenleavingaroom.T:Whatabou

33、tthenext?Ss:Walkorrideabikeinsteadoftakingabusorataxi.T:Verygood,pleasegoon.Ss:Takeaclothbagwhenwegoshopping.T:Great.Itseasiersaidthandone.Sotakeactionfromnowon.（通过整体复习为学生复述课文打下基础。让部分学生听到他们没有学会的生词或句子，是知识的一种复现。）（学生小组讨论节约能源的各种方法，以旧带新，导入新课主题。）T:ItsknownthatChinaisabigcountry.Ithasalargepopulation.Sowem

34、ustnotonlyprotectourenvironmentbutalsosaveenergy,suchaswater,electricity,farmland.Nowdiscussthisprobleminpairs:Whatshouldwedotosaveenergy?Doyouunderstand?Ss:Yes.（学生分组讨论，鼓励学生说出日常所观察到的情况。）T:Well,Imsureyoumakeupsomenewideastosaveenergy,andnowletscomparewhoseideasarebetterandgreener.Whosthevolunteer?Ple

35、asehandsup!S1:Dontdriveacarifyoutravelashortdistance.S2:Writeonbothsidesofthepaper.S3:Dontusethethingsthatcanbeusedonlyonce.S:Afterwewashfaces,wecanusetheusedwatertowashclothesortoilets.4S5:Takeaclothbagwhenwegoshopping.S6:TurnofftheTVsetwhileyouareaway.s7：.（鼓励学生借助肢体语言、图画，尽可能地把想法表达出来，激发学生的热情，培养创造性。）

36、T:Goodideas!Thankyou,boysandgirls!Whichideaisbetterandgreener?s8:Ithinks7sisbetterandgreener.（通过学生对节能环保知识的讨论，老师引出文中所讲的新环保事物，出示la的挂图，导入新课内容，教授生词。）T:Lookatthepictures.Maybetheyarethenewthingsthatyouhaventknown.Theyshowussomeformsofenergy.someofthemmaydolessharmtoourenviromment.WhatsitinPicturea?ss:Its

37、acar.T:Isitstrangeandbeautiful?ss:Yes.T:Itsanelectriccar.Itworkswell,butitsslowandcantrunforlong.（板书并讲解）electricelectricityelectriccarT:WhatsitinPictureb?Whoknowsit?s9:Itsatrain.Itcanrunfast.T:YoUreright.ItsaMaglevTrain.Itsadvantagesarequiet,fast,clean,butitstooexpensive.（教师领读并解释。）（学生复述句子。）（通过同样的方法，

38、让学生学习文中1a几幅图中介绍的事物。）Step2Presentation第二步呈现（时间:10分钟）（要求学生在字典中快速地查出1a中生词的意义，培养学生快速查阅字典的能力。）T:Takeoutyourdictionary.Lookupthenewwordsin1aasquicklyaspassiblethengetthepropermeaningsinthepassage.（要求一个学生来读生词，说出它们的意思并让其他学生在书中相应位置标出汉语意思。）（让学生快速阅读课文1a中的2,判断下列句子正误。用幻灯片出示句子。）（）Itsgoodthatpeopleproducepowerfrom

39、coal.（）Nuclearpowerisdangerous.Sowecantuseit.（）Thecarthatusedanimalwastetorunworkedwell.（）Theelectriccarscanrunalongdistance.（）TheMaglevTraincanbeusedinmostofChina.（）InWaleswaterpushesthetrainsupanddownthehill.（播放1a的录音，学生跟读，注意语音语调，训练学生读的能力并再次理解课文。）（学生再次阅读1a,找出疑难点后，鼓励其他学生作答。）T:Read1aagain,findoutthek

40、eypointsyoudotnunderstand,thenIllasktheotherstohelpyou.（之后，要学生举手提出问题和回答问题。）S1:Idontknowthemeaningofthissentence“ThewatertrainsinWalesusewatertoupthehill.”T:WhocanhelpS1?PleasehandsupS2.S2:（教师同时对重点内容给予讲解。）（要求学生阅读1a课文，并准备填写lb表格。明确读的任务，有助于提高阅读效率。）T:Lookattheformin1b.Readthepassageagainandfillintheform.

41、（几分钟后。）T:Discusstheanswersinyourgroups.Thenletscheckthemtogether.（先让学生在小组内讨论，然后师生一起核对答案。）（教师板书。）MaterialAdvantageDisadvantageUsedornotinChinaCoalproduceelectricitydirtyanddangeroususednuclearenergyproduceelectricitydangeroususedanimalwastecheapsmellterriblenotusedMagnetsquiet,fastandcleanexpensiveus

42、edWaterpushatrainupdownslownotused3.（通过学习lb的表格，为学生复述课文打下了基础。）Step3Consolidation第三步巩固（时间:8分钟）（学生快速阅读la两次后，师生问答理解文章大意。）T:Readthispassageinlaandtrytofindwhatthepassageismainlyabout.Thenanswermyquestions.（1）T:Whataretheadvantagesanddisadvantagesofcoal?Ss:Cheap,dirty,dangerous.（2）T:Whataretheadvantagesan

43、ddisadvantagesofnuclearpower?Ss:Dangerousandexpensive.（3）T:Whataboutanimalwaste?Ss:Cheapbutsmellsterrible.（4）T:Andelectriccar?Ss:Workwellbutcannotrunforlong.（5）T:WhataretheadvantagesanddisadvantagesofMaglevTrain?Ss:Quiet,fast,cleanbuttooexpensive.（6）T:Whataboutthewatertrains?Ss:Verycheapbutslow.（7）T

44、:Whatisthemainideaofthispassage?Canyougiveabesttitleforthispassage?Ss:Somedifferentwaysofproducingpower.（教师出示la图片。）T:Nowlookatthepicturesandtheformontheblackboard,retellthepassage.Step4Practice第四步练习（时间:10分钟）（小组讨论更多更新发电的方法，导入下文。）T:Weknowthatpeoplecanproduceelectricityinmanyways.Suchasfromcoalornuclea

45、rpower.EvenintheolddaysinEngland,peopleusedanimalwastetorunacar.Andthereareelectriccarsinmanycountries.MaglevTrainisusedinJapan.TheWatertrainsinWalesusewatertopushatraindownahillwhilepullinganothertrainupthehill.Nowwhocantellussomeotherwaysofproducingelectricity?S1:Usingthesunlighttoproduceelectrici

46、ty.S2:Usingwindtoproduceelectricityinthedeserts.S3:Usingwaterintheseatoproduceelectricity.S4:（教师出示2中的挂图，说出四幅图中采用四种方式发电的优点，并练习此部分完成2。）T:Nowpleaselookatthefourpictures,matchthepictureswiththesentences.（让学生猜出movement的意思。）3.（要求学生在本课找出含有but,and,while的复合句并朗读。）（依照文中的句子，说出类似的句子。）T:Couldyoumakesentenceswitht

47、hem?Now,pleasehaveatry.S6:Idloveto,butIhavetofinishmyreportfirst.S7:Hecameuptoherandshegavehimahug.S:CouldyoutakecareofmydogwhileImaway.8S:9（1）（教师用小黑板出示下列提示词，要求学生抢答造句，为下文写作打下基础，同时复习本课内容。）takepartin,reduce,reuse,recycle,protect,save.T:NowIllgiveyousomewordsorphrases.Accordingtothem,makesentencesandsp

48、eakthemoutassoonaspossible.Areyouready?Ss:Yes.T:“takepartin”S11:Itookpartintheactivitiestocollectrubbish.T:“reduce”S12:Peopleoughttoreduceplastic,coal.T:.S13:.（2）（根据学生说的内容，让学生写一篇作文，提出关于保护环境的方法。）Step5Project第五步综合探究活动（时间:5分钟）（填写表格，让学生学会如何节约能源，更加合理地利用能源，以增强学生的环保意识。）T:Lookattheformandthinkaboutthingswes

49、houlddoeverydayandthingsweshouldnotdotoprotecttheenvironment,andwhatmaterialsorwastethingswecanreuse,recycleandreduce.payThingNameMon.Tue.Wed.Thur.Fri.Sat.Sun.todonottodotodonottodotodonottodotodonottodotodonottodotodonottodotodonottodoS1S2S3ST:Discussingroupsandfinishitasquicklyaspossible.(几分钟后)T:W

50、hodliketobeanvolunteer?Reportittotheclass.S:.Listasmanygoodhabitsofprotectingtheenvironmentasyoucan.Finish3.Homework:T:Turntoyourparentsandyourfriendsandtrytofindsomeotherkindsofmaterialsthatcanproduceelectricity.板书设计：Wouldyouliketobeagreenerperson?SectionCelectric(adj.)electricity(n.)1.Electriccars

51、workwell,buttheyareelectriccarslowandcantrunforlong.push.down2.ThewatertrainsinWalesusewatertopull.uppushonetraindownahillwhilepullinganothertrainupthehill.SectionDThemainactivitiesare1aand3.本课重点活动是1a和3。I.Teachingaimsanddemands教学目标Learnanewword:towelReviewsomecompoundsentences:Theyworkwell,buttheyar

52、eslowandcantrunforlong.About35%oftherubbishinHongKongcanberecycledeveryyearwhiletherestcant.Learnhowtobeagreenerperson.II.Teachingaids教具教学挂图/小黑板IIIFive-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间：12分钟)(师生互动，复习前三节课的内容，营造英语氛围。)(1)T:Inthistopicwehavelearnedsomethingabouthowtobeagreenerperson.Canyousays

53、omethingaboutthree“Rs?Ss:Reduce,reuseandrecycle.T:Whatdoes“reducemean?Ss:Itmeans“makesomethinglessorsmaller.T:Thenwhatshouldwereduce?Ss:Weshouldreducethethingswhichpeoplecanuseonlyonce.T:Good!Andwhatdoes“reusemean?Ss:“Reusemeans“useitagain.T:Whatshouldwereuse?Ss:Weshouldreuseplasticbags.Giveouroldcl

54、othestoourfriends.T:Whatabout“recycle?Ss:Itmeanswecollectwastepapersorsoftdrinkcansandsortthemsothattheycanberecycled.T:Itstrue.However,easiersaidthandone.(1)(听句子，判断对错，训练学生听力技能，复习总结怎样成为绿色使者。)T:Weknowthattherubbishproducedeverydayisbecomingaseriousproblem.Whatshouldwedotoprotectourenvironment?Ilistso

55、megoodorbadhabits.Nowlistentomecarefully.Tellmewhetheritsgoodorbad,andtrytowritedownthegoodhabits.Nowbeready!(1)Throwtherubbishhereandthere.(2)Dontspitinapublicplace.Drawabeautifulpictureonthepublicwalls.Dontthrowthingawayiftheycanbereused.Gotoschoolbybikeinsteadofbybus.Collecttherubbishandtrytosort

56、them.Pourdirtywaterintoriversdirectly.Turnoffthelightswhenyougoout.(教师边说边观察，如果有必要可多读两遍，让学生能一边回答一边记下来，为下步作准备。)(2)(要求学生两人一组根据上面的内容，编一个对话谈论怎样成为绿色使者。鼓励学生尽可能对本单元内容进行整合。)T:Nowmakeyourowndialogtotalkabouthowtobeagreenerpersonwithyourpartner.(几分钟后，教师抽查效果。)S2:（教师进行鼓励和评价，总结内容同时导入新课。）Step2Presentation第二步呈现（时间:

57、10分钟）1.(教师出示1a中的挂图向两个学生提问题，让其他同学记录答案，判断谁是绿色使者。)T:Illhavetwovolunteers.Pleasehandsup.OK,S1,S2,comehere.NowIllaskyoutwosomequestions.Answerme“Yes”or“No”andtheotherstudentswritedowntheiranswers.Areyouready?Ss:Yes.T:Doyouusuallyrecyclenewspapersandoldbooks?S1:Yes.S:No.2T:Doyouusuallytakeaquickshower?S,S

58、:Yes.12T:Whenyoumakeashortjourney.Doyouoftenrideabike?S1:No.S:Yes.2(板书)shortjourneytripT:.T:Each“Yes”gets“1”marks.EachNo”gets0”marks.Whatstheirscores?S3:S1gets5marks.S4:S2gets6marks.T:Welldown,S2smarksaremorethanS1s.ItmeansS2isagreenerperson.Congratulationstohim/her!(cheers)(学生齐读la,教师解释1a的意义，为两人活动做准

59、备。)(两人活动。同桌间互问答，并把得分计算出来。教师做调查。)T:S5,whatsyourscore?S5:Its4points.T:Youhavenotstartedturninggreenyet!Bestrickwithyourselftoprotecttheenvironment.S6,whatsyourscore?S6:Its8points.T:Whydoyouwanttobeagreener?S6：WhenIseeotherslittering,Idonothingand,so.T:Tryharderandyoullbebetterinprotectingtheenvironmen

60、t.Ibelieveyoucan.S6:Thankyou!T:.Step3Consolidation第三步巩固(时间:12分钟)(根据得分把学生分成四小组，讨论同学得分的原因并给出建议，使学生更明白如何成为一个绿色使者。)T:Nowthestudentswhoget0-4pointsjoinGroup1.Theoneswhoget5-9pointsjoinGroup2.Theoneswhoget10-13pointsjoinGroup3and14-18joinGroup4.Eachgroupfindsoutwhyyougetthismark,andwhatareyougoingtodonext