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1、SectionC/ / / / / / / / / .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。n .Teachingaims1.
2、Knowledgeaims :掌握本课的重点词汇和短语，继续学习定语从句。2.Skillaims: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。田.Thekeypointsanddifficultpoints1 .Keypoints:Wordsandphrases:doubt,tiny,inside,brain,can
3、cel,connect,nodoubt,normally,forinstance,b esides,properly,beusefulin,withthehelpof,forexample,keepsth/sb.doing,placeorders,than ksto,comeintobeing,insteadofdoingsth.Sentences:Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.Forexample,tinycomputerswhichareinsidepatients bodiescankeep
4、theirheartsbeatingnormall y. Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains. Grammar:Attributiveclause2 .Difficultpoints ：Inspace,computershavebeenusedtocontrolthespeedanddirectionofaspaceship.Besides,noteverythingwereadontheInternetistrueorgoodforus.Computershelpusatworkandathome,
5、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(timeperi od)Interac tion pattern sTeacheractivityStudentactivityRemarksEncouragetheSstoexchangetheirHMK
6、withtheirpartners,andchecktheanswersbythemselves.T:Hi,class!Nicetoseeyouaga1Revisio n (3mins)Pairworkin.Inthelastperiod,Iaskedy outomakeupfivesentences.Ha veyoudonethem?T:Fine.Thenexchangeyoursen tenceswithyourpartnersandc hecktheanswersbyyourselves .Ifyoufinish,putupyourhand.T: Now,I llchoosesomepa
7、irsExchangeHMKwiththeirpa rtnersandchecktheanswe rsbythemselves.Ss:Yes.S1:TheGreatWallwhich/t hatwasbuiltinancientCh inaisregardedasthesymb olofChinesenation.S2:Thegirlswho/thatare dancinginthegymarefromClassSix.S3:-S4:-对于学生由现的 错误，老师要马上 指由来，以降低后 面的学生犯同样 错误的机率。toshowyoursentences.xxxandxxx,please.T:A
8、notherpair?2Pre-read ing (7mins)Individ ualworkClassac tivityStep1:LettheSstickthefield sweusecomputerin.T:Asweknow,computersarenow widelyused.Now,turntopage1 01.Youcanseemanyfieldsin1. Pleasetickthefieldsweuseco mputersin.T:xxx,whichfieldshaveyouti cked?T:Howaboutyou,xxx?T:ButdoyouknowwhatthesevenT
9、ickthefieldsweusecomp uterin.S1:AllS2:Me,too.S2:Sorry,Idon tknow.S3:休闲、娱乐。Ss:entertainmentGiveanexampleoftheuseo fthecomputersinoneofth efieldsmentionedin1.老师要利用点评的机会讲解新词：doubt,cancel 。thwordmeans?T:Itmeans“leisure ” .Doyouknow“leisure ” ?T:Quiteright.Now,class,fol lowme, “entertainment ” .Step2:Enc
10、ouragetheSstogive anexampleoftheuseofthecomp utersinoneofthefieldsmenti onedin1.T:Thereisnodoubtthatcomput ersareveryuseful.So I dlik eyoutogiveanexampleoftheusS1:Ithinkcomputersareu sefulineducation.Wecan usethemtosearchforhelp fulinformation.S2:Inbusiness,wecandos omeshoppingontheIntern et.S3:-S4:
11、eofthecomputersinoneofthef ieldsmentionedin1.Canyou,x xx?T:Goodidea!Nextone?T:Yes.IlikeshoppingontheIn ternet.Thegoodsarecheap,so loftenplace ordersinTaobao.Andsometime s,ifIdon twantthegoods,Ic an cancel the orders.T:Computershavebecomeveryi mportantinmanyareasofworka ndleisure.Youcanfindmorein for
12、mationin1a.Whilereading (10mins )IndividualworkLettheSsread1a,underlineth etopicsentenceofeachparagr aphanddolb.Checktheanswers.T: Now,let s read1a.Youwill learnaboutcomputers.Youhav etwotaskswhilereading.Onei stounderlinethetopicsenten ceofeachparagraph;theother istocompletethediagramin1b .Payatten
13、tiontotheexpressi onsas “forexample,forinsta nce,besides ” .Theyareusual lyusedtogiveexamples.WhenyRead1a,underlinethetop icsentenceofeachparagr aphanddo1b.Checktheans wersandfinish1b.S1:Sincecomputerswere andleisure.S2:SincetheInternet t oo.S3:Computershaveimprov ed ,too.S4:controlthespeedandd irec
14、tionofaspaceship.S5:finddiseaseseasily不要担心没有解 决新词就让学生 完成任务。其实1b 就是文学的人息。就是要培养学生 认取信息的能力。另外要学生注意 表示举例子的词 语：forexample,fori nstance,besides 等。3oufinishthetwotasks,please raiseyourhand.T:Now,let scheckthetopics entencesfirst.x xx,what s t hetopicsentenceofparagraph 1?T:Yes,yougotit.Paragraph2, who?T:Ve
15、rygoodjo b.Now,let s ch ecktheanswerstothediagram. Onestudentforonepoint.xxx, canyoutrythefirstpoint? T:Uptonow,Ithinkyouhavelea rnedalotabouttheuseofcompuS6:Ss:Yes.ters ,haven tyou?4Postreading (20mins )Individ ualworkClassac tivityGroupworkStep1:LettheSsread1aagaint ofindthenewwordsandattribu tive
16、clauses.T:Now,let sread1aagain.Yo ushouldcirclethenewwordsan dunderlinetheattributivecl ausesthistime.Whenyoufinis h,putupyourhand.T:Therearefiveattributivec lausesinthispassage.Seehow manyyouhavefound.Whowantst ohaveatry?Read1aagaintofindthene wwordsandattributivecl auses.S1:Forexample,tinycomp ute
17、rswhichareinsidepat ients bodiescankeepth eirheartsbeatingnormal ly.S2:Infactories,robotsa recontrolledbycomputer sthatarelikehumanbrain s.S3:.对于文章末尾由现的新形式的定 语从句，老帅可以 提一下。并指由关 系代词“ that ”被 省略了，因为它在 从句中作宾语。当学生找由新词T:Marvelous!Youhavefoundfo urofthem.Whereisthelastone ?T:It s here!Turntopage102. Lookat
18、thesentence “ Besides ,noteverythingwereadontheI nternetistrueorgoodforus”.Infact,thereisa“that ” after “everything ” .Inthiscl ause,therelativepronounthat actsastheobjectofthev erb “read” .Inthiscase,the relativepronounisusua11yom itted.S4:Ss:Sorry,wedon tknow.Learnthenewwordsbyword formationorsyno
19、nyms.Read1aagainanddiscussi ngroupstofindthediffic ultandkeypoints.S1:Howtounderstand “Th ereisnodoubtthat inbu后，老帅要按照构 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,besStep2:LettheSslearnthenewwo rdsbywordformationorsynonym s:in+side=inside,normal(adj )+l
20、y=normally(adv),work+pl ace=work-place,proper(adj) +ly=properly(adv),tiny=ver ysmall,connect=join toget her,forinstance=forexample ,besides=what smore=moreo ver=inaddition. T:Now,trytoguessthemeaning ofthenewwordsandthenturnto thevocabularylisttolearnth epronunciation.siness?S2:毫无疑问S3:besides 是“除了”，
21、 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。S5:inmanyareasof.,wit hthehelpof ,forexampl e,forinstance, S6:keepsth/sb.doingsthides 和 except 。Step3:LettheSsread1aagaina nddiscussingroupstofindthe difficultandkeypoints. T:Wehavereadthepassagetwic e.Maybesomeofyoustillhaves omeprob
22、lems.Now,read1aagai nanddiscussingroupstofindt hedifficultandkeypointsasw ell.Whenyoufinish,putupyou rhand.T:First,let ssolvethediff icultpoints.Whichgroupfirs t?T: “Thereisnodoubtthat ”,placeorders,comeintob eing,S7:thanksto,insteadofd oingsth.,atwork, isausefulpattern.Itmeans”It scertainthat ”.Who
23、ca nputitintoChinese?T:Brilliant!That sit.T:Anyotherquestions? T:Theyarenotexactlythesame .Lookattheexample “ Whatoth ersportsdoyoulikebesidesfo otball? ” and “I likeallspor tsexceptfootball ” .Thefirs texamplemeans “ Helikesfoot ball,too ” ,butthe secondexa mplemeans “Hedoesn tlikef ootballat all.
24、Haveyougotit?T:Youareright.T:Therearemanyusefulexpres sionsinthispassage.Group1, pleasespeakoutwhatyouhavef ound.5Summariz ingandas signingh omework( 5mins)ClassactivityStep1:LettheSsrete11themai ncontentof1aaccordingtothe diagramin1b.T:Uptonow,wehavelearnedmuc haboutcomputers.Now,let s retellthemai
25、ncontentof1aac cordingtothediagramin1b.Ge tready.Go!Repeatthecontentof1aac cordingtothediagramin1 b.T&Ss:Inspace , computersareusedtocont rolthespeedanddirectio nofaspaceship.Inhospit als,computershelpdocto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。Step2:HMK LettheSsreadtheinstruction sin2andwriteashortpassagew
26、 iththegiventitle.T:Now,computersarebecoming moreandmoreimportantinourl ife.Canyouimaginewhatthewo rldwouldbelikeifthereareno computersoneday?Readtheins tructionsin2andwriteashort passagewiththetitle“ OneDayWithoutComputers “ afterclrstofinddiseaseseasily.Infactories,therobotswhicharecontrolledbyco
27、mputerscandosomedangerouswork .ass.VH .BlackboarddesignChinaisthethirdnationthatsentapersonintospace.SectionCWordsandphrases : doubttiny braincancel in+side=inside normal+ly=normally entertain+ment=entertainment work+place=workplace proper+ly=properly forinstance=forexampleGrammarattributiveclause:关
28、系代词做主语（不能省略）关系代词做宾语（常省略）Sentences :Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.Forexample,tinycomputerswhichareinsidepatientsbodiescankeeptheirheartsbeatingnormall y.Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.Besides,noteverythingwereadontheInternetistrueorgoodforus.