最新Unit 2 Saving the world Topic 1 There are many kinds of pollution around usWord格式.docx

最新Unit 2 Saving the world Topic 1 There are many kinds of pollution around usWord格式.docx

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（1）Thelargepopulationhascausedmanyproblems.

（2）Airpollutionmakespeoplesick.

（3）Lightpollutionisharmfultooureyes.

（4）Litterinfluencesthelookofourcities.

4.Letstudentsknowthatpollutionisreallyaseriousproblem.

5.Talkabouttheenvironmentinthepast,atpresent,andhowtoprotecttheenvironment.

6.Letthestudentsknowsomethingaboutthenoisepollutioninordertomakelifecomfortableandpleasant.

三、教学目标:

1.Learnthepresentperfecttensewithsince.

2.Learnhowtoexpresscomplaint.

3.Learnthepresentperfecttensewithfor.

4.Realizetheharmofwaterpollutionandenhancethestudents’awarenessoftheimportanceofprotectingthewaterresources.

5.Understandthesentenceswhichexpressblame.

6.Realizetheharmofnoisepollution.

四、教学重点：

4.Realizetheharmofwaterpollutionandenhancethestudents’awarenessoftheimportanceofprotectingthewaterresources

五、教学难点：

六、教学准备：

课前让学生准备一些有关各种污染的一些图片。

七、教具：

教学挂图,录音机,简笔画,单词卡片.

八、课型：

Newlesson

九、教学过程：

活动设计

设计意图

水污染大调查

通过学生对水污染的现状调查，了解水污染的情况。

污染知多少

通过让学生讨论的形式，说说知道的污染的种类。

声音污染的害处

通过学生小组汇报的形式，让学生说说噪声污染的危害。

如何减少污染

通过学生比赛的方式,让学生说说所知道的减少污染的方法。

SectionA

Step1Review

Showsomepicturestothestudents,thenask:

Nowpleaselookatthesepictures.Wouldyouliketosaysomethingabouttheenvironmentaroundus?

Please

answermyquestions.

No.1.wheredoyoulive?

Andareyoulivinginthecountrysideorintown?

No.2.Arethereanychangesinyourvillage/town/city?

（Whatchangeshavetakenplaceinyourvillage…?

）

No.3.Howdoyoulikelivingthere?

Why?

（Whatproblemsdowehavetoface?

Step2Presentation

Showsomepicturesaboutpollutedwater,askthestudentstotelltheirpartnerwhathappenedinthepicture?

Thenteachthewords:

Chemicalfactoryproducechestbreathe

Getthestudentstolookatthepicturesandthentalkaboutwhytheairsmellsterrible.

Listentothetapeagain.Answerthefollowingquestions

（1）Whoareinthepicture?

（2）Whataretheytalkingabout?

（3）IsthechemicalfactorynearGranny’shome?

（4）Canwefindfishintheriver?

（5）Istheskyblue?

Step3Readandsay.

Getthestudentsread1aandanswerthequestions:

1.What’sthematterwithgranny?

2.Willshestayhere?

3.Doesshehavetoseeadoctor?

Andthencallthestudentsfindoutthesentencesusedbygrannytoexpresscomplaint.Thendo1bintheclass.

Step4Practice

GetthestudentsLookatthepictures.Answerfollowingquestions.

（1）Arethereanychemicalfactoriesinyourcity?

（2）Aretheynearyourschool?

（3）Whatwasyourcitylikeafewyearsago?

（4）Canyoulistsomeotherkindsofpollution?

Askthestudentstothinkabouthowthepollutioncomeintobeingandrealizetheharmofthepollution.

Step5Workalone

Getthestudentsdefinethefollowingpollutionwiththephrasesin3a.

Step6Makeasurvey

Nowmakeasurveytostudysomethingaroundyourhome.

Fillintheforms.

Pollution

Reason

Possiblediseasesorinfluences

Airpollution

Soilpollution

Waterpollution

Lightpollution

Noisepollution

Litter

SectionB

Step1Review

Guessinggames.Reviewthewordsaboutpollution.Theteacherexplainsthemwithsomesimplesentences.Thenasksthestudentstoguesswhichkindsofpollutiontheyare.

1.Theteacherteachesthenewwordswithguessinggamesorsimpledrawings:

Several,secretary,relation,fisherman,president,dead,rabbit.

2.Letthestudentstolookatthepicturesonthebook,andthenhavediscussionbetweentwopictures.Makesurethestudentstoknowthedifferencesbetweenthem.

Past

Now

Thewater

Thetress

Theair

The……

Step3listen,readandsay

Listentothetapecarefully,thenanswerthesequestions.

（1）Whatarethechildrenplanningtodonow?

（2）CanyousaysomethingaboutWestHill?

（3）WhatdidtheyseeonWestHilltwodayslater?

（4）Whathappenedthere?

（5）Whatdidtheydonext?

Theteacherchecktheanswers

Step4Readandunderstand

Ge