人教版九年级英语Unit 13 We are trying to save the earth教案.docx

人教版九年级英语Unit 13 We are trying to save the earth教案.docx

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人教版九年级英语Unit13Wearetryingtosavetheearth教案

Unit13We’retryingtosavetheearth!

一、教学目标：

1.语言知识目标

基本词汇：

litter,advantage,bottom,fisherman,coal,ugly,cost,wooden,plastic,takeaway,bin,shark,fin,method,cruel.Harmful,chain,ecosystem,industry,law,scientific,afford,reusable,transportation,recycle,napkin,upside,gate,bottle,president,inspiration,iron,work,metal,creativity,

基本词组：

beharmfulto,atthetop（ofsth.）,takepartin,turnoff,takeaction,throwaway,putsth.togooduse,pull…down,bringback

基本句型：

We’retryingtosavetheearth!

Theriverusedtobesoclean.

Theairisbadlypolluted.

Noscientificstudieshaveshowedthatsharkfinsaregoodforhealth.

Weshouldhelpsavethesharks.

2.技能目标:

能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。

3.情感目标:

有环境危机意识，学会关注环境保护环境。

二、教学重难点：

1.教学重点：

（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。

（2）保护环境的措施方法。

2.教学难点：

能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。

三、教学步骤:

SectionA1（1a-2d）

I.Presentation

Showthepictureoftheearthandtellstudentstheearthispollutednow.

Forexample:

（1）Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.

（2）Factoriesputwasteintotheriver.

（3）Peopleshouldthrowawaylitterinthebin.

（4）Therearemorecarsontheroad.

II.Learning

Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.

loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones

noisepollutionairpollutionwaterpollution

____________________________________

____________________________________

____________________________________

____________________________________

Keys :

noisepollutionloudmusicplanesmobilephonesbuildinghouses

airpollutionfactoriessmokingcarsbuildinghouses

waterpollutionshipsrubbishlitteringfactories

III.Listening

1.1bListenandcompletethesentences.

Whatwastheproblem?

Theriverwas_____________.Eventhebottom（底部）oftheriverwasfullof________.Therewerenomore______forfishermen（渔民）tocatch.

Whatcausedtheproblem?

Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.

Howshouldtheproblembesolved?

Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.

Keys:

reallydirtyrubbishfishlitterwastegovernment

closedowncleanup

2.Listenagainandcheck（√）thesentencesyouhear.

1）Wecouldgofishingintheriver.

2）Theriverwasreallydirty.

3）Theriverhasalwaysbeenthenicestriverinthistown.

4）Weshouldasktheteachersforhelp.

Keys:

23

IV.Practice

1.Role-playtheconversationin1c.

Mark:

Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.

Tony:

Butitusedtobesoclean!

Mark:

Yes,butpeoplearethrowinglitterintotheriver.

Tony:

Everyoneinthistownshouldplayapartincleaningitup!

2.Makeconversationsusingthepollutionin1a.

A:

Theriverhasalwaysbeenthenicestriverinthistown.

B:

Yes,itusedtobesoclean.

A:

ButIwastherelastweekendandtheriverwasreallydirty.

B:

Whatcausedtheproblem?

A:

Peoplearethrowinglitterintotheriver.

B:

Whatshouldwedo?

A:

Factoriesarealsoputtingwasteintotheriver.

B:

Yes,everyoneinthistownshouldplayapart.

A:

Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.

B:

Whatelsecanwedo?

A:

Everyoneshouldhelptocleanuptheriver.

V.Languagepoints

1.We’retryingtosavetheearth!

我们正在竭尽全力拯救地球!

trytodo=tryone’sbesttodo努力去做某事。

e.g.Everystudentshouldtrytostudyhardinordertostudyinauniversity.

为了进入大学学习，每个学生都应该努力学习。

2.Herearesomewordsrelatedtodifferentkindsofpollution.

berelatedto与…有关

e.g. Iamnot related to himinanyway.我和他无任何关系。

3.Everyoneinthistownshouldplayapartincleaningitup!

playapartin在……方面起作用

e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.

健康的饮食在帮助人们长寿方面起着非常大的作用。

playapart在……中扮演角色

e.g.HewasinvitedtoplayapartinthisTVplay.

他被邀请参加这个电视剧的演出。

4.Eventhebottomoftheriverwasfullofrubbish.

Yes,butpeoplearethrowinglitterintotheriver.

litter和rubbish都可指“垃圾”，用作不可数名词。

rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。

litter指“（室内或公共场所）乱扔的废物（纸屑、不要的包装纸、废瓶等）”还可回收

e.g.Throwtherubbishout.把垃圾扔出去。

　　Theroomisfullofrubbish.房间里堆满了垃圾。

　　Pickupyourlitterafterapicnic.野餐后将废弃物收拾好。

VI.Listening

1.2aListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.

A.landpollutionB.airpollution

C.noisepollutionD.waterpollution

Keys:

BA

2.2bListenagainandcompletethesentences.

1）Theairisbadlypollutedbecausethereare___________ontheroadthesedays.

2）Factoriesthatburncoalalso________theairwithalotofblacksmoke.

3）