Unit13Wearetryingtosavetheearth教案何Word文档下载推荐.docx

Unit13Wearetryingtosavetheearth教案何Word文档下载推荐.docx

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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。

课时安排：

Period1:

SectionA（1a—1c）Period2:

SectionA（2a—2d）

Period3:

SectionA（3a—3b）Period4:

SectionA（Grammarfocus—4c）

Period5:

SectionB（1a—1e）Period6:

SectionB（2a—2b）

Period7:

SectionB（2c—2e）Period8:

SectionB（3a—self-check）

SectionA（1a—1c）

litter,advantage,bottom,fisherman,

beharmfulto,atthetop（ofsth.）,

三、教学步骤:

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.

IV.Practice

1.Role-playtheconversationin1c.

Mark:

Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.

Tony:

Butitusedtobesoclean!

Yes,butpeoplearethrowinglitterintotheriver.

Everyoneinthistownshouldplayapartincleaningitup!

2.Makeconversationsusingthepollutionin1a.

A:

Theriverhasalwaysbeenthenicestriverinthistown.

B:

Yes,itusedtobesoclean.

ButIwastherelastweekendandtheriverwasreallydirty.

Whatcausedtheproblem?

Peoplearethrowinglitterintotheriver.

Whatshouldwedo?

Factoriesarealsoputtingwasteintotheriver.

Yes,everyoneinthistownshouldplayapart.

Weshouldwritetothegovernmentandaskthemtoclosedownthefactories.

Whatelsecanwedo?

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.We’ll 

try 

tofinishtheworkinaweek. 

我们将努力在一周内完成这项工作。

2.Herearesomewordsrelatedtodifferentkindsofpollution.

berelatedto与…有关

e.g.Isthedriverrelatetotheaccident?

司机和这起事故有关吗？

3..Eventhebottomoftheriverwasfullofrubbish.

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。

　　Theroomisfull