【文档说明】Unit 4 Topic 3《China is the third nation》（SectionC）教学设计-九年级上册英语【仁爱版】.doc，共(8)页，51.500 KB，由小喜鸽上传

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Unit4Topic3SectionC教学设计Ⅰ.Materialanalysis本课是九年级第四单元第三话题的第三课时。主活动是1a和2。1a介绍了电脑在各行各业中的作用，也提醒了学生要合理地利用电脑

和网络。在这个信息爆炸的时代，学生很容易迷失方向，辨别信息的真假尤其重要。1b既可以通过提纲式结构来巩固1a的内容，也可以让学生学习在写作中运用这种方法来草拟提纲。2这个写作任务，可以让学生充分发挥想象，如果没有了电脑，生活会变成什么样子。这

从另一个角度让学生感受电脑对我们生活的重大影响。为了能让学生有足够的时间来完成这个任务，建议留作家庭作业。Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，继续学习定语从句。2.Ski

llaims:能够通过1a的pre-reading任务来预测1a的内容。能够借助1b的提纲复述1a的内容，并把这种提纲式的结构运用到写作中。能够快速找到段落的中心句、辨别论证句。3.Emotionalaims:(optional)电脑和网络是个双刃剑，在利用它来服务于生活

、学习的同时，不能沉溺于游戏游戏，并且要自觉远离不良信息的诱惑。Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:doubt,tiny,i

nside,brain,cancel,connect,nodoubt,normally,forinstance,besides,properly,beusefulin,withthehelpof,forexample

,keepsth/sb.doing,placeorders,thanksto,comeintobeing,insteadofdoingsth.Sentences:Thereisnodoubtthatcomputersareveryusefulintech

nologyandbusiness.Forexample,tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.Infactories,robo

tsarecontrolledbycomputersthatarelikehumanbrains.Grammar:Attributiveclause2.Difficultpoints：Inspace,computershavebeenu

sedtocontrolthespeedanddirectionofaspaceship.Besides,noteverythingwereadontheInternetistrueorgoodforus.Compu

tershelpusatworkandathome,buttheymustbeusedproperly.Ⅳ.Learningstrategies通过标志词，如：forinstance,forexample,besides来找到属于举例子的句子。能够根据经验

快速识别文段的中心句。能够根据pre-reading的任务来预测文章的内容。Ⅴ.Teachingaid小黑板/图片/ppt等。Ⅵ.TeachingproceduresStage(timeperiod)Interactionpatterns

TeacheractivityStudentactivityRemarks1Revision(3mins)PairworkEncouragetheSstoexchangetheirHMKwiththeirpartners

,andchecktheanswersbythemselves.T:Hi,class!Nicetoseeyouagain.Inthelastperiod,Iaskedyoutomakeupfivesentences.Haveyoudonethem?T:Fine.

Thenexchangeyoursentenceswithyourpartnersandchecktheanswersbyyourselves.Ifyoufinish,putupyourhand.ExchangeHMKwiththeirp

artnersandchecktheanswersbythemselves.Ss:Yes.S1:TheGreatWallwhich/thatwasbuiltinancientChinaisregarded对于学生出现的错误，老师要

马上指出来，以降低后面的学生犯同样错误的机率。T:Now,I’llchoosesomepairstoshowyoursentences.xxxandxxx,please.T:Anotherpair?asthes

ymbolofChinesenation.S2:Thegirlswho/thataredancinginthegymarefromClassSix.S3:…S4:…2Pre-reading(7mins)IndividualworkCla

ssactivityStep1:LettheSstickthefieldsweusecomputerin.T:Asweknow,computersarenowwidelyused.Now,turntopage101.Youcanse

emanyfieldsin1.Pleasetickthefieldsweusecomputersin.T:xxx,whichfieldshaveyouticked?T:Howaboutyou,xxx?T:Butd

oyouknowwhattheseventhwordmeans?T:Itmeans“leisure”.Doyouknow“leisure”?T:Quiteright.Now,class,followme,“entertainment”.Step2:EncouragetheSsto

giveanexampleoftheuseofthecomputersinoneofthefieldsmentionedin1.T:Thereisnodoubtthatcomputersareveryuseful.SoI’dlikeyoutogiveanexam

pleoftheuseofthecomputersinoneofthefieldsmentionedin1.Canyou,xxx?T:Goodidea!Nextone?Tickthefieldsweusecompute

rin.S1:AllS2:Me,too.S2:Sorry,Idon’tknow.S3:休闲、娱乐。Ss:entertainmentGiveanexampleoftheuseofthecomputersinoneofthefieldsm

entionedin1.S1:Ithinkcomputersareusefulineducation.Wecanusethemtosearchforhelpfulinformation.老师要利用点评的机会讲解新词：doubt,cancel。T:Yes.

IlikeshoppingontheInternet.Thegoodsarecheap,soIoftenplaceordersinTaobao.Andsometimes,ifIdon’twantthegoods,Icancanceltheorders.T:Computershavebecomeve

ryimportantinmanyareasofworkandleisure.Youcanfindmoreinformationin1a.S2:Inbusiness,wecandosomeshoppingontheInternet.S3:…S4:…3

While-reading(10mins)IndividualworkLettheSsread1a,underlinethetopicsentenceofeachparagraphanddo1b.Checktheanswers.T:Now,let’sread1a.Y

ouwilllearnaboutcomputers.Youhavetwotaskswhilereading.Oneistounderlinethetopicsentenceofeachparagraph;theotheristoc

ompletethediagramin1b.Payattentiontotheexpressionsas“forexample,forinstance,besides”.Theyareusuallyusedtogiveexamples.Whenyoufinishthetwotas

ks,pleaseraiseyourhand.T:Now,let’scheckthetopicsentencesfirst.xxx,what’sthetopicsentenceofparagraph1?T:Yes,yougotit.Paragrap

h2,who?T:Verygoodjob.Now,let’schecktheanswerstothediagram.OnestudentforoneRead1a,underlinethetopicsentenceo

feachparagraphanddo1b.Checktheanswersandfinish1b.S1:Sincecomputerswere…andleisure.S2:SincetheInternet…too.S3:Computershaveimprov

ed…,too.S4:controlthespeedanddirectionofaspaceship.S5:finddiseaseseasily不要担心没有解决新词就让学生完成任务。其实1b就是文章的大意。就

是要培养学生获取信息的能力。另外要学生注意表示举例子的词语：forexample,forinstance,besides等。point.xxx,canyoutrythefirstpoint?T:Upt

onow,Ithinkyouhavelearnedalotabouttheuseofcomputers,haven’tyou?S6:…Ss:Yes.4Post-reading(20mins)Individualwork

ClassactivityStep1:LettheSsread1aagaintofindthenewwordsandattributiveclauses.T:Now,let’sread1aagain.Youshouldcirclethenewwordsandunderlinetheattribut

iveclausesthistime.Whenyoufinish,putupyourhand.T:Therearefiveattributiveclausesinthispassage.Seehowmanyyouhavefound

.Whowantstohaveatry?T:Marvelous!Youhavefoundfourofthem.Whereisthelastone?T:It’shere!Turntopage102.Lookatthesentence“Be

sides,noteverythingwereadontheInternetistrueorgoodforus”.Infact,thereisa“that”after“everything”.Inthisclause,therela

tivepronoun“that”actsastheobjectoftheverb“read”.Inthiscase,therelativepronounisusuallyomitted.Step2:LettheSslearntheRead

1aagaintofindthenewwordsandattributiveclauses.S1:Forexample,tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.S

2:Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.S3:..S4:…Ss:Sorry,wedon’tknow.Learnthenew对于文章末尾出现的新形式的定语从句，老师可以提一下。并指出关系代词

“that”被省略了，因为它在从句中作宾语。Groupworknewwordsbywordformationorsynonyms:in+side=inside,normal(adj)+ly=normally(adv),w

ork+place=work-place,proper(adj)+ly=properly(adv),tiny=verysmall,connect=join…together,forinstance=forexample,besides=what’smor

e=moreover=inaddition.T:Now,trytoguessthemeaningofthenewwordsandthenturntothevocabularylisttolearnthepronunciation.Step3:LettheSsread1aagainan

ddiscussingroupstofindthedifficultandkeypoints.T:Wehavereadthepassagetwice.Maybesomeofyoustillhavesomeproblems.Now,read1aagainanddiscussingroupsto

findthedifficultandkeypointsaswell.Whenyoufinish,putupyourhand.T:First,let’ssolvethedifficultpoints.Whichgroup

first?T:“Thereisnodoubtthat…”isausefulpattern.Itmeans“It’scertainthat…”.WhocanputitintoChinese?T:Brilliant!That’sit.T:Anyotherquestions?T:Theyareno

texactlythewordsbywordformationorsynonyms.Read1aagainanddiscussingroupstofindthedifficultandkeypoints.S1:Howtounderstand“Therei

snodoubtthat…inbusiness?S2:毫无疑问„„S3:besides是“除了”，except也是“除了”，它们两个一样吗？S4:我的理解是“besides”是包括在内，“except”是不包括在内。当

学生找出新词后，老师要按照构词法、近义词或反义词来归类让学生学习。对于本课内的词组辨析，不一定都要在本次课内解决，也可以放一点在讲解作业时处理。如：forexample和forinstance,besides和sa

me.Lookattheexample“Whatothersportsdoyoulikebesidesfootball?”and“Ilikeallsportsexceptfootball”.Thefirstexamplemeans“Helikesfootball,too”,butthesecond

examplemeans“Hedoesn’tlikefootballatall.”Haveyougotit?T:Youareright.T:Therearemanyusefulexpressionsinthispassage.Group1,pleasespeakoutwhatyouhavefo

und.S5:inmanyareasof..,withthehelpof…,forexample,forinstance,…S6:keepsth/sb.doingsth,placeorders,comeintobeing,…S7:thanksto,insteadofd

oingsth.,atwork,…except。5Summarizingandassigninghomework(5mins)ClassactivityStep1:LettheSsretellthemaincontentof1aaccordingtothediagramin1b.T:Upto

now,wehavelearnedmuchaboutcomputers.Now,let’sretellthemaincontentof1aaccordingtothediagramin1b.Getready.Go!Step2:HMKLettheSsreadtheinstruct

ionsin2andwriteashortpassagewiththegiventitle.T:Now,computersarebecomingmoreandmoreimportantinourlife.Canyouimaginewhattheworld

wouldbelikeiftherearenocomputersoneday?ReadtheRepeatthecontentof1aaccordingtothediagramin1b.T&Ss:Inspace，computersareusedtocon

trolthespeedanddirectionofaspaceship.Inhospitals,computershelpdoctorstofinddiseaseseasily.Infactories,therobotswhicharecontrolledbycomputerscan

dosomedangerouswork….在复述课文时，老师要引导和带动学生。不要求和课文一模一样。instructionsin2andwriteashortpassagewiththetitle“OneDayWithoutComputers”afterclass.Ⅶ.Blackboarddes

ignChinaisthethirdnationthatsentapersonintospace.SectionCWordsandphrases：doubttinybraincancelin+side=insidenormal+l

y=normallyentertain+ment=entertainmentwork+place=workplaceproper+ly=properlyforinstance=forexampleGrammar：attributiveclause:关系代词做主语（不能省略）关系代词做宾语（常省

略）Sentences：Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.Forexample,tinycomputerswhichareinsidepatien

ts’bodiescankeeptheirheartsbeatingnormally.Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.Besides,noteve

rythingwereadontheInternetistrueorgoodforus.