仁爱版九年级上册英语教案：Unit 2 Topic 3 Section D

Topic3Whatcanwedoathometoprotecttheenvironment?

SectionD

I.Materialanalysis

本课是第二单元第三话题的第四课时。主要活动是阅读文段和ProjectoGrammar和Functions让学生总结本话题的语法重点（并列句）和重要的句子

（包括英语习语）。短文介绍了森林的重要作用、森林遭到破坏的情况及义务植树人的艰难付出。Project部分采用调查问卷的形式来寻找本班“最环保的人”。

这个活动很有教育意义，可以让学生增强环保意识，争做一个坚定的环保人士。

II.Teachingaims

1.Knowledgeaims：

掌握本课的重点词汇和短语，归纳并列句的用法。

2.Skillaims:

掌握常见的并列句，并能在写作或口语交际中运用。

在Project中，能够根据问卷要点整理成文。

3.Emotionalaims:（optional）

增强环保意识，争做一个坚定的环保人。

4.Cultureawareness:(optional)

了解世界范围内人们的环保行动。

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，能够和老师一起总结归纳并列句的用法，使之内化为自己的知识。

能够利用问题来预测短文的内容。

V・Teachingaids

亚马孙热带雨林的视频或图片/亚马孙热带雨林遭到破坏的视频或图片/教学新词的图片/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最好是播放一小段亚马孙热

Pre-reading

2rainforeststolearnsomenewwordsandleadto1a.带雨林的视频，图片没有震撼

(10mins)

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

T:Yes.Doyouknowwhypeoplecallitlikethis?

T:Soitdoes.ItremovescarbondioxideandmakesSs:因为它吸收了大量的二氧化碳并

oxygen.Doyouwanttolivethere?释放氧气。

T:No?Why?Ss:No.

T:Whatyousaidisright.Therearemanykindsof

insectsthere.Iftheybiteyou,youmayloseyourlife.S1:太潮湿了。

Step2:PresentanothershortvideoabouttheS2:有各种各样的有毒生物。如:蛇,

destructionoftherainforeststoleadtothenecessity蜘蛛等等。

ofplantingtrees.

T:Whathaveyouseen?Learnaboutthedestructionofthe

T:Yes,inordertogetmoneyorfarmland,peoplecutrainforeststoleadtothenecessityof

downthetreesintherainforests.Asaresult,theplantingtrees.

worldclimatemaychangeandmanybirdsandSs:大量的雨林被毁掉了。

animalsmaybeindanger.Luckily,manypeople

havetakenmeasurestodosomething.Thevolunteer

plantersaroundtheworldareplantingnewtreesto

replacedestroyedarea.

IndividualworkLettheSsreadlaandanswerthequestionsonpageReadlaandanswerthequestionson让学生先读P50的问题，带着

50.page50.问题阅读效率更高。

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对于文章中的过去时的被动

compoundsentencesandotherdifficultpoints.compoundsentencesandotherdifficult语态和定语从句，只要学生理

T:Youhavelearnedthemaincontentofthepassage.points.解意思即可，不要讲太多。老

Next,we'llsolvethedifficultpoints.Now,readthe师也可以用汉语解释更节约

passageagain,andfindthedifficultpointsaswell时间。

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.老师要提醒学生though,even

Soyoucan'tseetheword"but"in"Eventhoughthough与but不能同时连用。

treeplantingisverydifficult,theylovetheirwork：也要讲一下，当"while”表示

Besides,sometimesweuse“while“tomakeupan“当…的时候“连接的是时间

adverbialclauseoftime.Forexample,thesentence状语从句，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