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仁爱版初三英语上册全册教案2

deaf

hearingloss

(教师展示图片四。)

T:(指着图片。)Theyareworkinginthesawmill.Anditalsomakesloud

noise.Itmaydisturbthepeoplenearby.Theycan'tsleepwell.

(板书并解释,要求学生了解sawmill;理解nearby。)

sawmill

nearby

T:Sonoisepollutionisharmfultohumans'health.Right?

Ss:Yes.

3.(播放la录音,学生跟读并找出文中涉及的几种噪音污染。)

T:OK.Let'slistentothepassageinla.Trytofindouthowmanykinds

ofnoisepollutionarementionedinthepassageandwhattheyare.

(小黑板出示答案,师生共同核对。)

5种噪音污染:

①noisefromaprintingfactory

(Dnoisefromairports

③noisecausedbyloudpopmusic

④aloudnoisemadeinpublic

⑤noiseproducedbycarsandmachines

(核对答案后,继续呈现生词。)

T:Whatarethebadeffectscausedbynoisepollution?

(板书,解释并要求学生理解。)

effect

Ss:Itmakespeoplesickordeaf.

T:Arethereanycountriestryingtosolvetheenvironmentalproblems,

includingnoisepollution?

Ss:Yes,thereare.

(板书,解释并要求学生了解。)

including

4.(呈现la,学生找出疑难点,教师解释。)

(板书要点并要求学生掌握。)

nobetterthan

Step3Consolidation第三步巩固(时间:10分钟)

继续巩固la,完成1b与1c,利用关键词进行复述,提高学生的口语表达能力。

1.(根据课文内容,完成Ibo)

T:OK.Readlaagainandfinishlbbyyourselves.

(板书并要求学生掌握rubbish;理解title。核对答案。)

rubbish,title

2.(让学生两人一组读课文,讨论1c的四个句子分别描述的是课文中的哪一

段。)

T:Readthepassageagain,andlookatthefoursentencesinlc.SI,

pleasereadthefoursentences.

SI:…

T:Whichparagraphsshouldtheybelongto?

(核对答案,让学生回答这样选择的理由。完成1C。)

3.(要求学生利用小黑板上的关键词复述la。)

T:Retellthepassagewiththekeywordsgiven.Threeminutesfor

preparation.

a.noise

b.godeaf

c.print/livingnearairports/nobetterthan/inpublic/carsand

machines

d.uncomfortableandunpleasant

e.tryingtosolve

(抽查几名同学,检测复述情况。教师作点评。)

Step4Practice第四步练习(时间:10分钟)

将3中与噪音污染有关的内容,与现实结合,引导学生列举噪音污染的各种

来源,并提出处理意见。

1.(教师用课文中的噪音污染来启发学生找出身边的噪音污染。)

T:Wehavelearntnoiseisakindofpollution.Whatcausenoise

pollutionaroundus?

(让学生分组讨论,教师引导学生说出身边的噪音污染。)

SI:Thestudentsinthenextroomareknockingonthedesk.

S2:Somestudentsaretalkingloudlyintheclassroom.

S3:Someoneistypingthekeyboardstrongly.

S4:Somepeopleanswerthetelephonecallaloud.

S5:

2.(教师在列出噪音污染的各种来源后,引导学生提出解决问题的方法,从

而培养学生的环保意识。)

T:Everyoneknowsnoisepollutionisharmfultoourears.Buthowcan

wesolvetheseproblems?

S6:Talktoeachotherinalowvoice.

S7:Trytofindaproperplacetoanswerthetelephone.

S8:Typethekeyboardsoftly.

S9:Findaproperplaceandpropertimetoenjoymusic.

S10:…

Step5Project第五步综合探究活动(时间:5分钟)

提出两种不同方案(可任选其一),通过小组活动,采取调查的方式加强学生

的环保意识,完成2。

1.(通过本节课的学习,让学生认识到噪音污染的来源及其危害。并通过学

生的小组活动,即调查各种各样的噪音污染,更加有效地改善环境,加强学生的

环保意识。)

T:Makeasurveyingroupsaboutthenoisepollution.Beforeyoudoit,

I'dliketosaysomethingaboutnoisepollutioninourschool,inmyhome

andneighborhood.

(通过教师的示范,降低练习难度。)

T:Inourschoolthereisnoisepollutioneverywhere…Andinmyhome,

mysonlikesNBAgames,andheoftenkeepstheTVinahighvolume…And

insomepublicplaces,peoplespeakloudly,

Discussingroupsandfillouttheform.

Place

NameAtschoolAthomeinotherpublicplaces

S

S

S

2.(让学生根据调查表进行报告。)

T:Pleasereportyourworktotheclass.

3.(小组活动,四人一组,引导学生思考并讨论他们身边实际存在的各种类

型的污染及其危害,并由一名小组成员记录整理,最终以书信的形式将问题反映

到报社。完成社)

T:Workingroupsoffour,thinkaboutwhatkindsofpollutionwehave

inourhometownanddiscussthebadeffectscausedbythem.Writethemdown

andmailittothenewspaperafterschool.

4.Homework:

Writealettertoaneditoraccordingtothereport.

Example:

Deareditor,

I'mwritingtoyoubecause…

板书设计:

Pollutionisharmfultopeople'shealth.

SectionC

akindofbeharmfulto

godeafdoharmto…

Noiseisalsoakindofpollutionandisharmfultohumans,health.

…manyteenagersinAmericacanhearnobetterthan65-year-oldpeople

do.

SectionD

Themainactivitiesarela和3.本课重点活动是la和3。

I.Teachingaimsanddemands教学目标

1.Learnsomenewwords:

create,industry,blood

2.Reviewdirectspeechandindirectspeech:

(1)Mrs.Zhousaidthatshewasfeelingevenworse.

(2)ThejournalistaskedMrs.Zhouif/whethershewasfeelingbetter

then.

(3)Thejournalistaskedwhattheenvironmentaroundthatplacewaslike.

3.Reviewsomekindsofpollutionandtheproblemscausedbythem.

II.Teachingaids教具

图片/录音机/小黑板

III.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:2分钟)

复习噪音污染,巩固SectionC。

T:Isnoiseakindofpollution?

Ss:Yes.

T:Whatcancausenoisepollution?

SI:Themachinesinsomefactories.

S2:Planes.

S3:Loudpopmusic.

S4:Cars.

S5:Thetraffic.

S6:

T:Pleaselistsomeotherkindsofpollutionaroundus.

Ss:Airpollution,lightpollution…

T:OK,thislesson,let'stalkabouttheharmthatthepollutioncauses.

Step2Presentation第二步呈现(时间:15分钟)

利用图片,设置对话,重现不同种类的污染,导入生词,呈现la。

1.T:Manythingsmakingloudnoisecancausenoisepollution.What

problemsdoesnoisepollutioncause?

Sl:Noisepollutioncancausehearingloss.

S2:Itmakespeoplesickorbecomedeaf.

S3:Italsomakespeopleuncomfortableandunpleasant.

T:Yes,toomuchnoisecancausehighbloodpressureaswell.

(教师板书新词并释义,且要求掌握blood;理解pressure。)

blood,pressure

2.T:Noisepollutionisharmfultopeople.Butit'snottheonlykind

ofpollutioninourworld.Doyouknowanyotherkindsofpollution?Let,

slookatthispicture.

(教师展示图片一。)

T:Whatkindofpollutionisit?

Ss:Soilpollution.

T:That'sright.Whatcausessoilpollution?

S4:Peopleusetoomanychemicalsintheirfields.

T:Sotheydestroythesoil.

(教师板书,释义并要求学生理解。)

destroy

(教师展示图片二。)

T:Lookatthispicture.Whatkindofpollutionisit?

Ss:Litter.

T:Yes.There'sapileofrubbishhere.Itmakesourenvironmentdirty.

(教师展示图片三。)

T:(指着图片中的浓烟。)Whatkindofpollutionisit?

Ss:Airpollution.

T:Yes.Whatcreatesairpollution?

(板书并讲解,且要求学生掌握。)

create

Ss:Burningcoal.

T:Withthedevelopmentofindustry,airpollutionisbecomingmoreand

moreserious.

(板书并讲解,且要求学生掌握。)

industry

(教师展示图片四。)

T:Lookatthepicture.Whatkindofpollutionisit?

Ss:Lightpollution.

T:Yes.Lookatthestrongandchangeablelight.It'sbadforeyes.

3.T:Fromthepictures,weknowpollutionisbadforourhealthinmany

ways.Ifthereisnopollutionontheearth,whatwilltheearthbelike?

(板书并讲解。)

inmanyways

Ss:Maybeourearthwillbegreenerandmorebeautiful.

T:Yes.Weshouldprotectourplanetfromnowon.OK,let'sreadlaand

fillintheblankswiththeproperformsofthewordsandphrasesabove.

(学生用所给的单词和短语的正确形式填空,师生核对答案。)

4.(学生再次阅读la,找出重点和疑难点,教师讲解。)

Step3Consolidation第三步巩固(时间:8分钟)

完成1b,拓展la,利用小组讨论的形式,引导学生认识不同污染的危害并提

出处理建议。

1.(听录音,跟读la。)

T:Listentothetapeofla,andreadafterit.

(让学生再读la,完成lb。)

T:Readlaagain,thenfilloutthetableinlb.

(核对答案。)

2.(学生分组讨论。)

T:There,resomanykindsofpollutionaroundus.Howdotheyeffect

onourenvironmentorhealth?Andhowcanwedealwiththem?Discussingroups

offour.

SI:Airpollutioncausessoreeyesandbreathingproblems.Wehadbetter

pulldownthepollutingfactories.

S2:Littermakesourenvironmentdirty.Weshouldthrowtherubbishinto

thedustbin.

S3:Noisepollutioncanmakepeopledeaf.Weshouldmakesomerulesto

stopit.

S4:

(教师总结。)

T:Let'stryourbesttobegreenerpeople,OK?

Ss:0K!

Step4Practice第四步练习(时间:15分钟)

采用对话及练习的方法,巩固2a与2b。

1.(教师通过复习西山的污染来练习2b的句子。)

T:(教师展示SectionA,la中的第二幅图和SectionB,la中的图。)

Whatcanyoufindinthepictures?

SI:Thereiswaterpollution.Thefishhavegone.

S2:Thereareseveralchemicalfactoriespouringwastewaterintothe

stream.

S3:Thereisnoisepollution.Mrs.Zhoucan'tsleepwell.

S4:

T:Oh,mygoodness!DoesKangkangstillwanttohavethepicnicthere?

Ss:Ofcoursenot.

T:DoesMrs.Zhoustillwanttolivethere?

Ss:No,shewillmanagetoleavethere.

(复习2b,听录音并跟读。)

T:Nowlet,slistentothetapeof2b,andreadafterit.

(教师讲解并强调这些功能用语。)

2.(复习2a,巩固直接引语与间接引语的用法,完成练习。)

T:BecauseofthepollutionontheWestHill,ajournalistinterviewed

theoldlady.Whatdidthejournalistasktheoldlady?Doyoustillremember?

Ss:Yes.

S5:Heaskedtheoldladyif…

T:Whatwastheoldlady'sanswer?

S6:Shesaidthat•••/Shetoldthejournalist…

(继续上面的问答,练习2a的句子。)

3.T:Lookatthesmallblackboard,pleaseretellthefollowingsentences

withindirectspeechwithintwominutes.

(小黑板呈现练习题。)

(1)Kangkangsaid,“Thefishhavegone.”

(2)Janeaskedtheoldlady,“Haveyouseenadoctor?”

(3)Theteacherasked,“Whatdoesnoisepollutioncause?”

Step5Project第五步综合探究活动(时间:5分钟)

利用有关污染的图片,开展小组活动,并以“保护环境做绿色使者”为主题

设计墙报;课后完成命题作文。

1.(教师收集一些有关污染的图片。让学生描述图片中的污染属于哪一种。

然后学生分组讨论污染所带来的影响。做一个各类污染及其危害的墙报,号召人

们成为环保人,完成3。)

T:Lookatthesepictures,anddiscussingroupsaboutdifferentkinds

ofpollutionandtheharmcausedbythem.Thenmakeawallnewspapertocall

onpeopletobegreenerpersons.

2.Homework:

Writeanarticle.Thetitleis“MyIdealSchool??or"MyIdealCity”.

(板书设计)

Pollutionisharmfultopeople'shealth.

SectionD

inmanywaysBurninggas,oilandcoalcreatesairpollution.

withthedevelopmentofindustryWithlesspollution,ourplanetwill

become***

highbloodpressure

effectonourenvironment

Topic2Alltheseproblemsareveryserious.

SectionA

Themainactivitiesarelaand2.本课重点活动是la和2。

I.Teachingaimsanddemands教学目标

1.Learnanewwordandsomephrases:

asaresult,behavior,inthebeginning,daybyday,dieout

2.Learnsomeusefulsentences:

(1)Asaresult,airpollutionhasbecomeaseriousproblem.

(2)Humanshavecometorealizetheimportanceofprotectinganimals.

3.Learntheindefinitepronounandadverb:

(1)Noneofuslikespollution.

(2)Don'tspitanywhereinpublic.

(3)Everyoneshouldcareforwildanimalsandplantmoretrees.

4.Learntheimportanceofprotectingtheenvironment.

II.Teachingaids教具

有关污染的和学生不文明行为的教学图片/小黑板/录音机/警示标语

III.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:7分钟)

复习污染的类型及其危害,教师创设一个空气污染的情境,引入本课话题。

1.(教师收集一些有关污染的图片,让学生说出它们分别属于哪种污染,有

何危害并提出解决建议。)

T:Whatkindofpollutionisit?

Ss:Itisnoisepollution.

T:Whatharmcanitcause?

SI:Itcandisturbothersandmakepeoplefeeluncomfortableand

unpleasant.

S2:Itdoesgreatharmtopeople'shearing.Itcanevenmakepeoplesick

ordeaf.

T:Howshouldwesolvethisproblem?

S3:Don,talwayslistentoloudpopmusic.

(学生可以在教师帮助下回答。)

2.(教师创设一个空气污染的情境,引入本课话题。例如:教师一边拍身上

的灰尘,一边咳嗽着走进教室,然后描述。)

T:Itistoodirtyandthereistoomuchheavysmokeoutside.Ican'

tstandit.

Ss:Isitairpollution?

T:Yes,itis.

Step2Presentation第二步呈现(时间:10分钟)

展示la的图片,导入新课,呈现本课生词和词组。讲解不定代词和不定副词

的用法。教育学生必须保护环境。

1.(教师展示la的图片,导入新课。)

T:Doyouliketheenvironmenthere?

Ss:No,wedon't.

T:Why?

Ss:Becausethereistoomuchsmoke.

T:Yes.Weshouldstopburningcoal.ItissaidthatChinahasbecome

theworld'slargestproduceranduserofcoal.Asaresult,airpollution

hasbecomeaseriousproblem.

(板书并要求学生掌握。)

asaresult

T:Nowourgovernmenthasrealizedtheimportanceofprotectingthe

environment.

(板书并要求学生理解。)

importance

T:Weshoulddosomethingusefultoprotecttheenvironment,too.

(板书并解释something是不定代词,其修饰语要放在它后面。)

somethinguseful

2.(播放la录音,让学生带着问题去听。)

T:Listentothetape,andanswerthequestionsonthesmallblackboard.

(出示小黑板。)

⑴What'sthearticleabout?

(2)Whatshouldwedoasstudents?

(核对答案。)

3.(男女生分角色朗读。)

T:Let'sreadlatogether.Boys-Kangkangandgirls—Michael.

4.(让学生再读la,试着找出la中的不定代词或不定副词,以及一些疑难

点。)

T:Readlaagain,andtrytofindtheindefinitepronounsoradverbs.

Step3Consolidation第三步巩固(时间:8分钟)

阅读la,完成1b,开展分组活动加深对文章的理解,增强学生的环保意识。

1.(让学生齐读对话,巩固la并完成1b。)

T:Now,let'sreadthisdialogtogetheragain,andthentrytoanswer

thequestionsinlbasquicklyasyoucan.

(核对答案。)

2.(让学生分组活动,仿照la编写对话,以达到学以致用的目的。)

T:OK,pleaseworkinpairs.Trytomakeanewdialogwithyourpartner

accordingtothedialoginla.ThenI'11asksomepairstoactoutyour

owndialoginthefrontoftheclassroom.

Example:

SI:Hi,S2,whatareyoudoingnow?

S2:I'mreadingabook.

SI:What'sitabout?

S2:It'sabouttheenvironmentintheworld.Itsaysthatour

environmentisgettingworseandworse.Andthepollutionhasbeenthemost

seriousproblemintheworld.

SI:Yes.Butit'sluckythatlotsofgovernmentshavedonesomething

usefulfortheprotectionofenvironment.

S2:It'sknownthatnobodylikespollution.Butwhatshouldwedoas

students?

SI:Ithink,first,everyoneshouldtrytoprotecttheenvironment

aroundusandweshouldn'tspitorthrowtherubbishhereandthere.We

shouldprotectthewildanimalsandplants.

S2:That'sright,weshoulddoasmuchaspossibletoprotectourearth.

Step4Practice第四步练习(时间:15分钟)

教师利用图片作引导,呈现部分生词和词组。让学生独立完成2,然后听录

音,完成3。并通过练习,分析不定代词和不定副词在句中的作用,总结它们的

用法。

1.(教师展示多幅有关学生不文明现象的图片。)

T:Environmentisveryimportanttous.Howabouttheenvironmentof

Kangkang?sschool?Let'slookatthepictures.

T:(指着第一幅图中的男生。)Ishepoliteorimpolite?

Ss:Impolite.

T:Yes.Heisrude.

(板书并要求学生理解。)

rude

2.(让学生观察图片,然后分组讨论图中人物的行为是否正确。)

T:Aretheirbehaviorsgoodorbad?

(板书并要求学生掌握。)

behavior

Ss:Bad.

T:Iagreewithyou.Whatshouldwedothen?Weshouldmakerulestochange

thesituation.Perhapsit'shardforustofollowtherulesinthebeginning.

Butyouwillgetusedtothemlateronandourschoolwillbecomebetter

andbetterdaybyday.

(板书并要求学生掌握。)

inthebeginning,daybyday

T:Discussingroupsoffour,thengiveareport.

(小组选代表汇报。)

3.(教师让学生用不定代词或不定副词完成这封信,完成2。)

T:HereisaletterfromKangkang.Istheenvironmentofhisschoolgood

orbad?Whatdidhesayintheletter?Pleaseread2.Choosetheproperwords

tofillintheblanks.

(教师与学生核对答案。让学生认真地读这封信,分析不定代词和不定副词在

句中的作用。引导学生总结出不定代词/副词的用法。)

4.(教师用图片作引导,让学生对新的语法进行训练,达到学以致用的目

的。)

(展示一系列有标语的图片。)

T:Weknowweshouldprotecttheenvironment.Asstudents,whatshould

wedo?Toanswerthisquestion,youshouldusetheindefinitepronounsor

adverbsinyoursentences.

(教师可做适当的引导。)

SI:Noneofusshouldsteponthegrass.

S2:Don'tthrowrubbisheverywhere.

S3:Nobodyshouldpicktheflowers.

S4:Don'tspitanywhere.

S5:Everyoneshouldcareforanimals.

T:Yes,youareright.Weshoulddoeverythingwecantoprotectthe

environment.

5.(听录音,完成30)

T:Inthepast,peoplekilledanimalsfortheirmeatandskins.Nowsome

kindsofanimalsarebecomingfewerandfewer.Andsomeanimalsareindanger

ofdyingoutcompletely.

(板书并要求学生掌握。)

dieout

T:Listentothetapeandfinish3.

(教师与学生核对答案,然后解释语言点。)

Step5Project第五步综合探究活动(时间:5分钟)

让学生调查周围的人,有哪些行为对保护环境是不利的,应如何解决,写一

份调查报告。然后讨论作为一名中学生应该和不应该做什么,以此制定一份班级

或学校规则来增强学生的环保意识。

1.T:Makeasurvey.

(让学生调查周围的人,有哪些不良的行为,应如何解决。)

BadbehaviorSolution

2.Homework:

Makesomeclassrulesorschoolrulesaboutprotectingenvironment.

板书设计:

Alltheseproblemsareveryserious.

SectionA

asaresultButthegovernmentisdoingsomethingusefultoprotectthe

environment.

somethingusefulNoneofuslikespollution.

inthebeginningDon,tspitanywhereinpublic.

daybydayEveryoneshouldcareforwildanimalsandplantmoretrees.

dieoutWeshoulddoeverythingwecantoprotecttheenvironment.

SectionB

Themainactivityisla.本课重点活动是lao

I.Teachingaimsanddemands教学目标

1.Learnsomenewwordsandphrases:

sand,cutdown,changeinto,prevent,prevent…from,humanbeing,

although,law,turnoff

2.Learnsomeusefulsentences:

(1)Icouldn'tseeanything,andmyfacehurtwhileIwaswalkingdown

thestreetjustnow.

(2)Passlawsagainstwaterpollution.

(3)Remembertoturnthetapoffwhenyouleave.

3.Continuetolearntheindefinitepronounandadverb.

4.Learntotalkaboutpollutionanditsharm.

II.Teachingaids教具

幻灯片/录音机/图片

III.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:5分钟)

通过方格游戏,来复习不定代词和不定副词的用法。

(让同桌两人做一个3X3的方格,将上节课SectionA中2的10个不定代词

(everyone和everybody任选其一)放入方格中。教师事先准备九道练习题,答案

就是方格中的九个不定代词。教师将这些习题逐一呈现出来,同桌两人抢圈答案,

谁抢到的多谁获胜。在此过程中,教师每呈现一题就要核对一次答案。)

(供参考)

(表格及习题如下:)

noneothersomething

everyoneeverybodynobody

anything

everywhereanybodyothers

(1)Noneofusknowshowtostopthebadbehavior.

(2)Iknockedonthedoorbutnobodyanswered.

(3)Someofthesebooksarebetterthanothers.

(4)Shewasdrivingthecarwithonehandandwipingthewindowwith

theother.

(5)It'sagoodcarbutIamlookingforsomethingfaster.

(6)Youcan'tbelieveanythingshesays.

(7)There?re5000peoplelivinghereandalmosteveryone/everybody

hashis/herowncar.

(8)He'sclevererthananybodyIknow.

(9)I'velookedeverywherebutIcan'tfindit.

Step2Presentation第二步呈现(时间:15分钟)

通过多媒体呈现1c中的图片,创造情景对话,呈现新单词和词组,学习玷。

1.(呈现1C中的图片,学习新词汇。)

T:Lookatthesepicturesthentellmeyourfeelings.Firstlookat

Picture2.

T:(指着第二幅图。)Isthescenerybeautiful?

Ss:Yes.

T:OK.Let?slookatPicture4.Isitbeautiful?

Ss:No.

T:Whathashappenedtotheforest?

Ss:Ithasgone.

T:Yes.Peoplehavecutdowntoomanytrees.

(板书并要求学生掌握。)

cutdown

T:PleaselookatPicture1.Alotofearthhasbeenwashedaway.Why?

Ss:Becausepeoplehavecutdown…(教师引导学生回答。)

T:That,sright.Treescanpreventthewaterfromwashingtheearthaway.

(板书并要求学生掌握。)

prevent••,from=stop,,*from

T:Let'slookatPicture3.Oh,mygoodness!Theforesthaschangedinto

desert.

(板书并要求学生掌握短语changeinto;理解desert。)

changeinto

desert

T:PleaselookatPicture5.What'stheweatherlike?

Ss:It'sbad.

T:Yes.Thewindisblowingstronglywithlotsofsand.Wecallit

sandstorm.

(板书并要求学生掌握sand;了解sandstorm。)

sand

sandstorm

T:Iscuttingdowntreesgoodorbadforus?

Ss:It'sbad.

T:Yes.It'sharmfulnotonlytohumanbeings,butalsotoanimalsand

plants.

(板书并要求学生理解。)

humanbeing

T:Sowhatcanwedotoprotecttheenvironment?Discussingroupsof

four.

(给学生两分钟,让他们讨论。)

SI:Plantmoretrees.

S2:Stopcuttingdowntrees.

S3:-

T:Goodidea.Althoughwehavedonealottoprotecttheenvironment,

it'sstillnotenough.Let'sworkharder.

(板书并要求学生掌握。)

although

2.(让学生小组讨论完成1c。)

T:Doyouknowtherelationsbetweentrees,humanbeingsandsandstorms?

Doyouknowhowsandstormscomeintobeing?Nowpleaselookatthepictures

inlcandnumberthem.

(核对答案。)

3.(听la录音回答问题。)

T:Justnowwetalkedabouthowsandstormscomeintobeing.Nowlisten

tola,andanswerthequestionsontheblackboard.

(板书)

(1)What?stheweatherliketoday?

(2)Whatshouldwedotoprotecttheenvironment?

(核对答案。)

4.(让学生分成小组,读la,提出不懂之处。小组内讨论,解决各自提出的

问题;最后全班共同讨论,解决遗留问题。用此方式可以让学生充分参与到教学

过程中来,进行自主探究学习,教师做补充讲解。)

T:OK,pleaseworkingroups.Findandtalkaboutthelanguagepoints

anddifficultpoints,thenI'11asksomestudentstogivetheiranswers

toclass.

Step3Consolidation第三步巩固(时间:8分钟)

教师放3录音,学生表演朗读,完成1b。让学生明白树木在环境保护中的重

要性,增强环保意识。

1.(让学生跟读la录音,并注意语音语调。)

T:Now,pleasereadafterthetape.Payattentiontothepronunciation

andintonation.

2.(让学生三人一组表演这个对话,稍后检查活动成果。)

T:Pleaseworkingroupsofthree.Afterawhile,I'11askseveralgroups

toactoutthisdialog.

G1:…

G2:…

3.(让学生看lb的图片,完成1b。)

T:Let'slookatthepictureinlb.Makenotesoftrees,functions

accordingtolabyyourselves.

(学生完成后,让学生一个接一个地把答案读出来。)

T:Pleasereadyournotesonebyone.

SI:•••

Step4Practice第四步练习(时间:10分钟)

教师展示一幅水被污染的图片,呈现2中的新词汇。让学生懂得怎样保护和

节约水资源。

1.T:Nowweknowthatalotofwatercanbesavedbyforests.Whyshould

wesavewater?

Ss:Becauseitisveryimportant.

T:That,sright.Withoutwater,we'11die.Soweshouldprotectwater.

(展示一条被工厂污染的河的图片,引出2中的新词汇。)

T:Lookatthepicture.Canpeopledrinkthewaterintheriver?

Ss:No.

T:Why?

Ss:Becausethewateristoodirty.

T:Whatcausesit?

Ss:Factoriesarepouringwastewaterintotheriver.

T:Yes.Whatcanwedotostopit?

SI:Pulldownthefactories.

S2:Writetothenewspaper.

S3:--

T:Yes.Wecanstopfactoriespouringwastewaterintoriversbycutting

offtheirwatersupply.Andwecanalsopasslawsagainstit.

(板书并要求学生掌握。)

law

T:Whatotherwaysofprotectingandsavingwaterdoyouknow?For

example,remembertoturnthetapoffwhenyouleave.

(板书turnoff,要求学生掌握;板书tap,要求学生理解。)

tap

turnoffturnon

2.T:Now,read2anddiscussingroupsoffour.

(小组代表报告,教师板书总结。)

Step5Project第五步综合探究活动(时间:7分钟)

综合运用本课的语言项目,探讨水资源保护的相关问题;课后写一篇有关

“保护和节约水资源”的短文,进一步增强学生的环保意识。

1.(让学生讨论如下问题,为写作做准备。)

T:OK.Weknowwaterisveryimportanttohumanbeings.Nowpleasetalk

aboutthefollowingquestions:

(1)Whyshouldwesavewater?

⑵What'stheimportanceofwater?

⑶What'stheimportanceofsavingwater?

(4)Howshouldwesavewater?

(讨论完后汇报结果。教师将关键词板书,以利于学生写作。)

2.Homework:

(1)Findoutmoreinformationaboutwater.

(2)WriteashortpassagewiththetitleuProtectingandSavingWater”.

板书设计:

Alltheseproblemsareveryserious.

SectionB

cutdownIcouldn'tseeanything,andmyfacehurtwhileIwas

changeintodesertwalkingdownthestreetjustnow.

humanbeingTreescanstopthewindfromblowingtheearthaway.

although…/…but••,Passlawsagainstwaterpollution.

turnoffRemembertoturnthetapoffwhenyouleave.

prevent…from…二stop…from…

SectionC

Themainactivityisla.本课重点活动是la。

I.Teachingaimsanddemands教学目标

1.Learnsomenewwordsandphrases:

onearth,period,millionsof,takeaway,rise,level,referto

2.Learnsomeusefulsentences:

(1)Whenitrainsorwhenthewindblows,theearthistakenaway.

(2)Theheatfromthesuncan'tescapesothetemperatureisrising.

3.Learntotalkabouttheharmofpollution:

(1)Forestshavebecomedeserts,somoreandmoresortsofanimalsand

plantsaredisappearing.

(2)Asaresult,manyriversandlakesarenowdead.

(3)Toomuchharmfulradiationfromthesunpassesthroughtheholeand

reachestheearthdirectly.

(4)Itcausestheleveloftheoceanstoriseandtheclimateofthe

earthtochange.

4.Developthestudents,senseofenvironmentalprotection.

II.Teachingaids教具

图片/小黑板

III.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:4分钟)

通过检查作业,引导学生开拓思维,提出保护环境和水资源的具体措施,复

习不定代词和副词。为学习新词汇作准备。

(检查作业,并找学生汇报结果,引导学生如何保护水资源。)

T:Howdoyouprotectourenvironmentandsavewater?

SI:Everyoneshouldplantmoretrees.

S2:Weshoulddoeverythingwecantosavewater.

S3:Everybodyshouldknowtheimportanceofforests.

S4:Passlawsagainstwaterpollution.

S5:Collectandreusewastewater.

Step2Presentation第二步呈现(时间:18分钟)

教师通过日常对话,借助la中的图片,创设情景,导入新课,呈现新的词汇。

1.(教师由日常对话,引出本课话题,呈现部分新词汇。)

T:Wha

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