九年级Unit13第一课时教案1

Unit13We retrying tosave theearth!The FirstPeriod SectionA la-2c[Teaching aims]

一、听、说、读、写以下词汇及词组litter,bottom,fisherman,coal,public,ugly,advantage,cost,wooden,plastic,the bottomof,make adifference

二、通过学习，口、笔头掌握下列句型1The riverused to be soclean.2People are throwing litter into the river.3It hasalways beenthe nicestriver inthis town.4We shouldwrite tothe government.

5.thin.on.proble.i.tha.th.ai.i.badL polluted.

三、

1.能听懂关于环境污染和环境保护的听力材料.

2.能正确运用现在进行时态，use.to结构，现在完成时态.被动语态和情态动词谈论环境污染和环境保护

四、通过谈论环境污染，学生能培养自己的环保意识做到保护环境，从我做起，从小事做起Difficulties能正确运用现在进行时态，used to结构，现在完成时态，被动语态和情态动词谈论环境污染和环境保护[Teaching steps]Before listeningWarm-up andrevision课堂热身和复习

1.Have Sswatch the video anddiscuss:What isthevideoabout

2.Look atthe picturesand answerthe question:What arethey aboutHowmany kindsof pollutiondo thesepictures show教学设计说明创设情景，导入新课While listeningPresentation（呈现新知识）

1.Group work.The airisn tclear•••There aremore andmore carsand factories…We should•••There areall kindsof noisesin ourlives.People havemore modernmachines.We should…

2.教学设计说明练习本课重点短语句型，同时，对后面听力的进行预测降低听力难度听1b录音一遍，回答下面的问题What kindof pollutionare Tonyand Marktalking aboutWor.o.lb.ListeTh.rive.wa.__________________.Eve.th.botto.o.t.an.complet.th h.rive.wa.ful.o.____________・Ther.wer.n.mor.____________.fo.fisherma.t.catc..•sentences.What wastheproblemPeople arethrowing______________into theriver.What causedtheFactories areputting_____________into theriver.problemHow shouldtheW.shoul.writ.t.th.____________.an.as.the.t._problem be solved________________.th.factories.Everyon.shoul.he

1.t.______________・th.river.

3.模仿秀:跟读模仿，注意语音语调Pai.workWor.o.1c.根据听力材料，练习下列对话根据1b的表格提示，和同伴分角色表演Tony和Mark的对话结合la的内容，再任选一种污染表演对话Mark.Th.rive.wa.dirty.Eve.th.botto.o.th.rive.wa.ful.o.rubbish.Tony:But itused tobesoclean!Mark:Yes,but peoplearethrowinglitterintotheriver.Tony:Everyone inthis townshould playa partin cleaningit up!4教学设计说明进一步启发学生思维，再次对下一段听力进行预.测

5.Work on2a.Liste.t.Jaso.an.Susa.tai.abou.pollution.The.circL th.kind.o.pollutio.tha.the.tai.about.听第二遍录音，判断下面句子的正、误

5.The.ar.talkin.abou.th.nois.pollution....教学设计说明:通过听一模仿一自主对话，进一步巩固本课功能句

1..观察及思考

4.The.thin.tha.the.ca.d.nothin,t.help..

5.The.ar.talkin.abou.th.nois.pollution..观察上面的黑体字内容，它们分别对应了几种时态或语态？

1.

2.

3.

4.

5.你能归纳出这几种时态或语态的结构吗

1.

2.

3.

4.5o♦

9.Wor.o.2b.Listen againand completethe sentences.

1.The airis badlypolluted becausethere areon theroad thesedays.

2.Factories thatburn coalalso theair withalot ofblack smoke.

3.Ther.i.als.to.muc.rubbis.an.waste.Peopl.thing,ever.day.・Peopl.ar.als.litterin.i..lik.parks.Thi.i.turnin.beautifu.place,int.ugl.ones.

10.跟读录音，注意模仿孩子们描述污染时气愤的语音及语调.

11.Wor.o.2c.Use theinformation in2a and2b torole-play conversationsbetweenJason andSusan.Jason.Th.ai.ha.becom.reall.pollute,aroun.here.I.gettin.ver.worried.Susan:Yes,I usedtobeable tosee starsin thesky.Jason:The problemis that…完成学习目标三After listeningGroupwork:我们该如何做来减少污染What shouldwe do

1.W.shoul.tak..o..instea.o.driving.

2.W.shoul.als....It.goo.fo.h ealth!

3.Brin..t.g.shopping.

4.Neve.tak..or.whe.buyin.takeawa.food.

1.

5..i.th.bin.an.kee.publi.place,clea.an.beauti ful.

2.小结教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上完成学习目标四【家庭作业】必做把课堂上练习的关于环境污染的对话写下来选做小组分工合作，用课前准备的照片，选取一种或几种污染做成海报，教学设计说明:分层布置作业，促进不同层次学生的学习积极性。