英语教案Unit13Wearetryingtosavetheearth教案.docx

英语教案Unit13Wearetryingtosavetheearth教案.docx

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英语教案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）

Learningobjectives:

1.Tolistenforspecificinformation.

2.Totalkaboutpollutionandenvironmentalprotection.

3.Tolearntousethesentencepatterns.

usedto...butnowshoulddosth.

I.Presentation

Showthepictureoftheearthandtellstudentstheearthispollutednow.

Forexample:

（1）Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.

（2）Factoriesputwasteintotheriver.

（3）Peopleshouldthrowawaylitterinthebin.

（4）Therearemorecarsontheroad.

Learnsomenewwords.

II.Workon1a

Herearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.

loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephones

noisepollutionairpollutionwaterpollution

____________________________________

____________________________________

____________________________________

____________________________________

III.Listening

1.Workon1b.Listenandcompletethesentences.

Whatwastheproblem?

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

Whatcausedtheproblem?

Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.

Howshouldtheproblembesolved?

Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.

2.Listenagainandanswerthefollowingquestions.

1）WhatdoesTonywanttodolaterthisafternoon?

HewantstogoswimmingwithMarkintheriverlaterthisafternoon.

2）Whydoesn’tMarkwanttogowithTony?

Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.

3）Howwastheriverinthepast?

Itusedtobesoclean.Ithasbeenthenicestriverinthistown.

3.原文

usedtodosth.“过去常常……”表示过去习惯性的动作但如今已不存在。

playapartindoingsth.“参与做某事;在做某事上起作用”。

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尽力去做某事

【运用】

我会尽力做好这项工作。

___________________________________

We’ll try tofinishtheworkinaweek.  

try短语

trydoingsth.试着做某事

tryon 试穿

tryout 尝试；试验；试试

 用try短语的适当形式填空。

1）Iwenttothetailor’sto_________mynewsuit.

2）Let’s_________yourmethod.Itseemsverygood.

3）Ithinkyoushould_____________toimproveyourEnglish.

4）Letme____________thestory.

让我试着讲一讲这个故事吧。

2.Herearesomewordsrelatedtodifferentkindsofpollution.

berelatedto与…有关

e.g.Isthedriverrelatetotheaccident?

司机和这起事故有关吗？

VI.Listening

1.Workon2a.Listentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.

A.landpollutionB.airpollution

C.noisepollutionD.waterpollution

2.Workon2b.Listenagainandcompletethesentences.

1）Theairisbadlypollutedbecausethereare___________ontheroadthesedays.

2）Factoriesthatburncoalalso________theairwithalotofblacksmoke.

3）Thereisalsotoomuchrubbishandwaste.People_________________thingseve