仁愛版九年級(jí)上冊(cè)英語教案：Unit 2 Topic 3 Section D

Topic3Whatcanwedoathometoprotecttheenvironment?

SectionD

I.Materialanalysis

本課是第二單元第三話題的第四課時(shí)。主要活動(dòng)是閱讀文段和ProjectoGrammar和Functions讓學(xué)生總結(jié)本話題的語法重點(diǎn)（并列句）和重要的句子

（包括英語習(xí)語）。短文介紹了森林的重要作用、森林遭到破壞的情況及義務(wù)植樹人的艱難付出。Project部分采用調(diào)查問卷的形式來尋找本班“最環(huán)保的人”。

這個(gè)活動(dòng)很有教育意義，可以讓學(xué)生增強(qiáng)環(huán)保意識(shí)，爭(zhēng)做一個(gè)堅(jiān)定的環(huán)保人士。

II.Teachingaims

1.Knowledgeaims：

掌握本課的重點(diǎn)詞匯和短語，歸納并列句的用法。

2.Skillaims:

掌握常見的并列句，并能在寫作或口語交際中運(yùn)用。

在Project中，能夠根據(jù)問卷要點(diǎn)整理成文。

3.Emotionalaims:（optional）

增強(qiáng)環(huán)保意識(shí)，爭(zhēng)做一個(gè)堅(jiān)定的環(huán)保人。

4.Cultureawareness:(optional)

了解世界范圍內(nèi)人們的環(huán)保行動(dòng)。

III.Thekeypointsanddifficultpoints

l.Keypoints:

Wordsandphrases:dry,remove,place,cutdown,sothat,eventhough

Sentences:Theweathermaybeveryhotanddryoritmaybeverycoldandwet.

Theycarryheavybagsofsmalltrees,andworkinginthemountainscanbedangerous.

Eventhoughtreeplantingisverydifficult,theylovetheirwork.

Grammar:compoundsentence

2.Difficultpoints：

Forestswerecutdowntoprovidewoodtobuildhouses.

Thereareoftenmanyinsectsthatbitetheseplantersontheirlegs,armsandfaceswhiletheywork.

Eventhoughtreeplantingisverydifficult,theylovetheirwork.

IV.Learningstrategies

在Grammar部分，能夠和老師一起總結(jié)歸納并列句的用法，使之內(nèi)化為自己的知識(shí)。

能夠利用問題來預(yù)測(cè)短文的內(nèi)容。

V?Teachingaids

亞馬孫熱帶雨林的視頻或圖片/亞馬孫熱帶雨林遭到破壞的視頻或圖片/教學(xué)新詞的圖片/PPT等。

VI.Teachingprocedures

StageInteraction

TeacheractivityStudentactivityRemarks

(timeperiod)patterns

IndividualworkStep1:EncouragetheSstoreadtheirhomeworkReadtheirpassagesassignedinSection

assignedinSectionC.C

T:Hi,boysandgirls!LetsbeginourclasswithyourSI:Windcanproducealotofenergy.

homework.WhowouldliketoshareyourPeopleusewindtotravelonthesea.

homework?xxx,howaboutyou?Theyputalargepieceofclothonthe

boat,andthenthewindwillmakethe

Revision

1boatmove.InthenorthpartofChina,

(10mins)

inthecountryside,farmersusuallyuse

windtocleantheircorns.Inspring,

childrenusewindtoflytheirkites.

Peoplealsousewindtoproducepower.

Now,therearemanycountriesbuilding

windpowerstations.

S2:Sunlightcanproducealotof

energy....

S3:Wavescanproducealotof

energy...

S4:...

CompleteGrammarandFunctions

Individualwork

Step2:LettheSscompletetheblanksinGrammar

andFunctions.

T:Wow,verygoodwriting!Nowpleaseopenyour

bookandturntopage49.Pleasefillintheblanksin

GrammarandFunctions.Whenyoufinish,raiseSI:Ok.And,while,or,but.

yourhand.

T:Now,xxx,willyoupleasetellusyourtheanswersSs:Yes.

toGrammar?S2:Greener,shutoff,easier,louder,

T:Doyouthinkso,class?reach.

T:WhowouldliketoshareyourtheanswerstoSs:Yes.

Functions?

ClassactivityT:Issheright?Sumupthecompoundsentencesand

Step3:LettheSssumupthecompoundsentencesexpressionsofgivingsuggestions.

andexpressionsofgivingsuggestions.SI:and,but,while,or

T:Inthistopic,wehavelearnedcompoundS2:however,so

sentencesandgivingsuggestions.Now,letssumup.S3:notonly...butalso,afterall

CouldyoutellmetheconjunctionsusedtocombineS4:for,since,as

compoundsentences?S5:besides,whatsmore,whatsworse

S6:should,shouldntmust...

T:Wonderful!Youcannamesomanyconjunctions.IS7:hadbetter,hadbetternot,don

hopeyouwillrememberthemandusetheminS8:oughtto...

writingandspeaking.Next,letssumupexpressions

ofgivingsuggestions.Whatdoyouusuallyuseto

givesuggestions?

ClassactivityStep1:PresentashortvideoabouttheAmazonLearnsomenewwordsandleadtola最好是播放一小段亞馬孫熱

Pre-reading

2rainforeststolearnsomenewwordsandleadto1a.帶雨林的視頻，圖片沒有震撼

(10mins)

T:WhatdopeoplecalltheAmazonrainforests?Ss:地球之肺。力。

T:Yes.Doyouknowwhypeoplecallitlikethis?

T:Soitdoes.ItremovescarbondioxideandmakesSs:因?yàn)樗樟舜罅康亩趸疾?/p>

oxygen.Doyouwanttolivethere?釋放氧氣。

T:No?Why?Ss:No.

T:Whatyousaidisright.Therearemanykindsof

insectsthere.Iftheybiteyou,youmayloseyourlife.S1:太潮濕了。

Step2:PresentanothershortvideoabouttheS2:有各種各樣的有毒生物。如:蛇,

destructionoftherainforeststoleadtothenecessity蜘蛛等等。

ofplantingtrees.

T:Whathaveyouseen?Learnaboutthedestructionofthe

T:Yes,inordertogetmoneyorfarmland,peoplecutrainforeststoleadtothenecessityof

downthetreesintherainforests.Asaresult,theplantingtrees.

worldclimatemaychangeandmanybirdsandSs:大量的雨林被毀掉了。

animalsmaybeindanger.Luckily,manypeople

havetakenmeasurestodosomething.Thevolunteer

plantersaroundtheworldareplantingnewtreesto

replacedestroyedarea.

IndividualworkLettheSsreadlaandanswerthequestionsonpageReadlaandanswerthequestionson讓學(xué)生先讀P50的問題，帶著

50.page50.問題閱讀效率更高。

T:Haveyoueverplantedtreesinthemountains?Ss:No.

T:Nowjustimaginewhatproblemsyoumayhaveif

youareoneoftheplanters.SI:Verytired.

S2:Veryhungry.

T:IfyouwanttoknowwhatdijficultiestheS3:很渴。

volunteershavetoface,thenreadthepassage.ButS4:...

While-reading

3beforereading,pleasereadthequestionsonpage50

(6mins)

andtrytofindtheanswerstoQItoQ3.Whenyou

finish,pleaseraiseyourhand.

T:xxx,haveyoufoundtheanswertoQI?

S5:Forestsremovecarbondioxideand

T:Goodjob!Q2,howaboutyou,xxx?makeoxygen,likethelungsofhuman

T:Yes.Q3,whoknows?beings.

S6:Badweather,insects,dangerous.

S7:Forbirdsandanimals.

IndividualworkStepl:LettheSsreadthepassage,andfindtheReadthepassage,andfindthe對(duì)于文章中的過去時(shí)的被動(dòng)

compoundsentencesandotherdifficultpoints.compoundsentencesandotherdifficult語態(tài)和定語從句，只要學(xué)生理

T:Youhavelearnedthemaincontentofthepassage.points.解意思即可，不要講太多。老

Next,we'llsolvethedifficultpoints.Now,readthe師也可以用漢語解釋更節(jié)約

passageagain,andfindthedifficultpointsaswell時(shí)間。

ascompoundsentences.Ifyoufinish,putupyour

hand.

Post-readingT:First,letscheckthecompoundsentences,xxx,

4

(10mins)haveyoufoundsomeyet?SI:Yes.Theweathermaybeveryhot

anddryoritmaybeverycoldandwet.

S2:Theycarryheavybagsofsmall

trees,andworkinginthemountains

canbedangerous.

T:Welldone!Whohasanyquestions?S3:Whatdoes"(werecutdownin

T:...Paralmean?

T:...S4:Howtounderstandthe

word''that"inthesentence(<Thereare

oftenmanyinsectsthat...theywork”?

T:Attentionplease!InEnglish,wecan'tuse

“though/eventhoughand"but"atthesametime.老師要提醒學(xué)生though,even

Soyoucan'tseetheword"but"in"Eventhoughthough與but不能同時(shí)連用。

treeplantingisverydifficult,theylovetheirwork：也要講一下，當(dāng)"while”表示

Besides,sometimesweuse“while“tomakeupan“當(dāng)…的時(shí)候“連接的是時(shí)間

adverbialclauseoftime.Forexample,thesentence狀語從句，不是并列句。

"(Thereareoften...andfaceswhiletheywork.

Step2:LettheSsdiscussQ4andQ5.DiscussQ4andQ5.

GroupworkT:Wehavenfinishedthequestionsonpage50.

Now,discussQ4and5,andthenmakeareport.

T:Group1,whatareyourideasaboutQ4?

SI:Ifwedon'tplantnewtrees,the

forestswillbecomesmallerand

smaller.Withouttrees,thewindandthe

waterwilltaketheearthaway,andthe

oxygenintheairwillbecomelessand

less.

T:Whatyousaidisabsolutelyright.Then,wouldS2:Ifwedoniplantnewtrees,...

youliketobeatreeplanterwhenyougrowup?S3:Maybe,itshardtosay.Ithinkthe

companiesandgovernmentshoulddo

something.Because,Ihavenotimeand

Ihavetoworktomakemoney.Ithink

onTree-PlantingDay,everyoneshould

stopworkingandgotoplanttreesin

themountains.

T:Thatsoundswonderful.S4:...

GroupworkStepl:LettheSscompletethequestionnaireinCompletethequestionnaireinProject

Project,andaddupthetotalscores.andaddupthetotalscores.

Finishing

T:Doyouthinkyouareagreenerperson?Now,

5project

answerthequestionsinProject,andaddupthetotal

(7mins)

scores,andthenseehowgreenyouare.Ifyoufinish,

putupyourhand.

GroupworkStep2:LettheSscomparetheirscoreswiththeirComparetheirscoreswiththeirgroup

groupmembersandfindthegreenestandgivemembersandfindthegreenestandgive

reasons.reasons.

T:Nowcompareyourresultwithyourgroup

members'andfindwhoisthegreenestinyour

group.Whenyouarereporting,youshouldtellus

whyheisthegreenest.

T:Areyoureadytoreport?Ss:Yes.

T:OK.Group2,whoisthegreenestinyourgroup?SI:xxxisthegreenestinourgroup.He

oftenrecyclesnewspapersandcans.He

goestoschoolonfoot.Henevereats

fastfoodandhealwaysreusesplastic