2023學(xué)年完整公開(kāi)課版Unit4Topic2教案1

Topic2Whenwasitdeveloped?SectionAThemainactivitiesare1aand2a.本課重點(diǎn)活動(dòng)是1a和Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwordsandexpressions:toothbrush,steel,ink,recorderIwishIcouldgointospacesomeday.Ihopeyourdreamwillcometrue.What’sitmadefrom?It’smadeof/from…2.Goonlearningthesimplepastpassivevoice:(1)—Whenwasitdeveloped?—Around2022.(2)ItwasdevelopedintheBeijingRen’aiEducationInstitute.3.Talkaboutnewtechnologyandinventions.Ⅱ.Teachingaids教具CD/錄音機(jī)/磁帶/鋼尺/牙刷/紙/毛巾/火箭模型/墨水/小黑板Ⅲ.Five-fingerTeachingplan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時(shí)間:12分鐘)1.(提著一個(gè)貼有“MAGICBOX(魔盒)”的箱子走上講臺(tái)，里面放有紙、鋼尺、牙刷、CD、毛巾、墨水、火箭模型等實(shí)物和一些事物的圖片。此部分用于復(fù)習(xí)一般現(xiàn)在時(shí)的被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)和用法，為導(dǎo)入新課做準(zhǔn)備。)T: Ihaveamagicbox.Doyouwanttoknowwhat’sinit?Ss: Yes.T: OK.(先摸出尺子。)What’sthisinEnglish?Ss: Aruler.T: Yes,it’saruler.It’susedformeasuringanddrawing.Doyouknowwhatitismadeof,S1?(讓他/她摸一摸。)S1: It’smadeof“鋼鐵”.（同學(xué)們可能笑。）T: Well,it’smadeofsteel.(板書(shū)steel，領(lǐng)讀并要求掌握。重復(fù)It’smadeofsteel。)steeln.(摸出牙刷。)HowdoyousaythisinEnglish,S2?S2: Sorry,Idon’tknow.T: OK,itisatoothbrush.(板書(shū)toothbrush，領(lǐng)讀并要求掌握。)toothbrushn.(作刷牙的動(dòng)作。)It’susedforbrushingteeth.What’sitmadeof,S2?S2: It’smadeofplastic.T: Verygood!You’reright.(摸出墨水。)What’sthisinEnglish,S1?S3: Sorry,Idon’tknow.T: It’sabottleofink.(板書(shū)ink，領(lǐng)讀并要求掌握。)inkn.Doyouknowwhatitisusedfor?S3: It’susedforwriting.T: Youshouldsayit’susedforwritingin.(強(qiáng)調(diào))2.(走到S4的課桌前，輕敲其課桌。)T:What’sthisinEnglish,S4?S4: It’sadesk.T: What’sitmadeof?S4: It’smadeofwood.(走到講桌前，從魔盒中摸出一張紙，作神秘狀。)T: HowdoyousaythisinEnglish,S5?S5: It’sapieceofpaper.T: Canyoutellmeitsmaterial?(讓其摸一摸，看一看。)S5: Sorry,Ican’t.T: Itellyouitismadefromwood.(慢！重音放在from。)(引導(dǎo)學(xué)生總結(jié)bemadeof與bemadefrom的區(qū)別。板書(shū)并解釋。)bemadeof+材料：表示原材料容易看出。bemadefrom+材料：表示原材料經(jīng)過(guò)化學(xué)變化，不易看出。Step2Presentation第二步呈現(xiàn)(時(shí)間:7分鐘)1.(從魔盒中摸出火箭模型。)T: Isitanicemodel?Ss: Yes.T: It’samodelrocket.Doyouwanttoknowwhomadeitandwhatarocketisusedfor?OK,let’sbeginournewlesson.(板書(shū)、釋義。)rocketn.2.(讓學(xué)生不要打開(kāi)課本，聽(tīng)1a，回答下列問(wèn)題。)T: Don’topenyourbooks.Listentothetapecarefullyandtrytofindouttheanswerstothequestions.(出示小黑板。)(1)WhyisJaneunhappy?(2)Whomadethemodelrocket?(3)Whatisthemodelrocketmadeof?(4)Whatisarocketusedfor?3.(讓學(xué)生打開(kāi)課本，找出重難點(diǎn)句。教師出示小黑板。)I’mnotallowedtodosth.IwishIcouldgointospacesomeday.(解釋此句使用了虛擬語(yǔ)氣，在此只要求了解。)Ihopeyourdreamwillcometrue.Step3Consolidation第三步鞏固(時(shí)間:8分鐘)1.(讓學(xué)生打開(kāi)課本，再聽(tīng)1a錄音，學(xué)生跟讀，感受純正的語(yǔ)音語(yǔ)調(diào)。)T:Openthebooks,listentothetapeandreadafterit.Payattentiontothepronunciationandintonation.2.(讓學(xué)生找出對(duì)話中的關(guān)鍵詞，教師板書(shū)。然后讓學(xué)生根據(jù)關(guān)鍵詞兩人對(duì)話復(fù)述1a。)T:Boysandgirls,let’sfindoutthekeywordstogether,OK?板書(shū)Jane→unhappy/notallowed/bebadforKangkang→amodelrocket/bemadeofwoodbeusedfor/satellitesorspaceships/wish3.(讓學(xué)生認(rèn)真閱讀1b中的例子，然后讓他們仿照例子編對(duì)話，完成1b。)T: In1b,wecanseetwodialogs.Readthemcarefullyandpayattentiontothesentencepatterns,“bemadeof”,“bemadefrom”and“beusedfordoingsth.”.Makesimilarconversationsinpairs.Step4Practice第四步練習(xí)(時(shí)間:13分鐘)1.(引導(dǎo)學(xué)生進(jìn)入2a的學(xué)習(xí)，教師播放2a錄音并提出以下問(wèn)題。從魔盒中拿出CD。)T:Today,wewilllearnsomethingaboutaCD.Listentothetapecarefullyandfindouttheanswerstothequestions:(1)What’sthiskindofCDusedfor?(2)Whenwasitdeveloped?(學(xué)生所給答案可能如下：)(1)It’susedforhelpingustoimproveourEnglish.(2)Itwasdevelopedaround2022.(板書(shū)，領(lǐng)讀并要求掌握。)recordern.(板書(shū)并適當(dāng)解釋。)was/were+過(guò)去分詞1.—Whenwasitdeveloped?—Itwasdeveloped…2.—Wherewasitdeveloped?—Itwasdevelopedin…2.(讓學(xué)生閱讀對(duì)話2a，找出關(guān)鍵詞，為下一步活動(dòng)做準(zhǔn)備。)T:Read2a,andunderlinethekeywords.(板書(shū))learnEnglish,aCDhelpustoimproveourEnglish,developaround2022,BeijingRen’aiEducationInstitute,recorder3.(指導(dǎo)學(xué)生利用黑板上的關(guān)鍵詞復(fù)述2a對(duì)話，鞏固wasmadeof/in過(guò)去式被動(dòng)語(yǔ)態(tài)的句型。)T: Whowouldliketoretell2a?S2,please?S2:KangkangislearningEnglishwithaCD.It’sverynice.It’susedforhelpingustoimproveourEnglish.Itwasdevelopedaround2022.ItwasdevelopedintheBeijingRen’aiEducationInstitute.It’smoreusefulthanarecorder.T:Verygood!4.(指導(dǎo)學(xué)生完成2b。師生互動(dòng)，提高口語(yǔ)表達(dá)能力。)Example:T:HowdoyousayitinEnglish?Ss:Digitalcamera.T:Whenwasitdeveloped?Ss:Itwasdevelopedin1975.T:Wherewasitdeveloped?Ss:ItwasdevelopedinAmerica.T:What’situsedfor?Ss:It’susedfortakingphotos.T:Doyouunderstand?Practisethedialogswithyourpartner.Let’sbegin.Step5Project第五步綜合探究活動(dòng)(時(shí)間:5分鐘)1.(收集各種發(fā)明的圖片，如傳真機(jī)、汽車、火車等等，學(xué)生可以在談?wù)撟约焊信d趣的發(fā)明中不斷地使用wasdevelopedin/bemadeof/beusedfor這些目標(biāo)語(yǔ)言。)2.Homework:T:Pleasewritedownashortpassageaboutyourfavoriteinventioninyourexercisebooks.板書(shū)設(shè)計(jì)：Whenwasitdeveloped?SectionA —Whenwasitdeveloped?bemadeof —Itwasdeveloped…bemadefrom —Wherewasitdeveloped? —Itwasdevelopedin…SectionBThemainactivitiesare1aand3a.本課重點(diǎn)活動(dòng)是1a和3aⅠ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwords:clone,experiment2.Goonlearningthesimplepastpassivevoice:(1)Whenwasitinvented?(2)Itwasinventedin1879.3.Learnsomeinformationabouttheclonetechnology.Ⅱ.Teachingaids教具錄音機(jī)/多媒體課件或圖片Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時(shí)間:13分鐘)1.(做一個(gè)鏈?zhǔn)接螒?，以小組為單位，就上一節(jié)課學(xué)過(guò)的計(jì)算機(jī)、MP3、CD、手機(jī)、數(shù)碼相機(jī)或?qū)W習(xí)用具等進(jìn)行對(duì)話，用bemadeof/bemadein/bedevelopedfrom/beusedfor進(jìn)行操練。讓每一小組的第一個(gè)同學(xué)回過(guò)頭去問(wèn)下一位同學(xué)，依次接著往下問(wèn)。)T:Boysandgirls.Let’splayagame.Askquestionsonebyone.S1:HowdoyousayitinEnglish?(出示鋼筆)S2:Apen.S2:What’sitmadeof?S3:It’smadeofsteelandplastic.S3:Whenwasitdeveloped?S4:Itwasdevelopedin2022.S4:What’situsedfor?S5:It’susedforwritingwith.T: Doyouunderstand?Ss:Yes.T:OK.Let’sbegin.2.(出示圖片，導(dǎo)入新課。)T:Youdidverywell.Therearemanyimportanttechnologiesandinventionsintheworldtoday.Lookathere.(展示燈泡圖形。)It’salightbulb.(板書(shū)lightbulb。)Doyouknowaboutit?Ss:Yes,alittle.T:OK,whoinventedit?Ss:ThomasEdison.T:Whenwasthelightbulbinvented?Doyouknow?Ss:No.T:Itwasinventedin1879.OK,let’sbeginournewlesson.Wewilllearnsomethingmoreaboutothertechnologiesandinventions.Andlookatthispicture.(出示收音機(jī)的圖片。)Whoinventedtheradio?Doyouknow?Ss:Sorry,wedon’tknow.T:ItwasinventedbyGuglielmoMarconi.(展示圖片的發(fā)明者的名字和年份。)T:Andwhenwasitinvented?Ss:Itwasinventedin1895.T:Verygood.Andlookatthispicture.(展示一幅飛機(jī)的圖片。)Whoinventedit?(同時(shí)展出圖片的發(fā)明者和年份。)Ss:ItwasinventedbyWilburandOrvilleWright.T:Andwhenwasitinvented?Ss:Itwasinventedin1903.3.T:Wehavetalkedaboutsomanyinventions,buthaveyoueverheardofclone?(教師釋義并領(lǐng)讀clone。)cloneSs:Yes,ofcourse.T:That’sverygood.Sowhat’sthenameofthefirstclonedsheep?Ss:Dolly.T:Whenandwherewasitcreated?Ss:ItwascreatedinScotlandafewyearsago.T:Whatisusedincloning?Ss:DNA.T:Whatotherthingshasmancloned?Ss:Rabbits,cows,mice,pigsandsomeotheranimals.Step2Presentation第二步呈現(xiàn)(時(shí)間:10分鐘)1.(播放1a錄音，學(xué)生跟讀，讓學(xué)生填好表格。完成1b。)InventionInventorYearLightbulbGuglielmoMarconi1903(由兩個(gè)學(xué)生到黑板上把表格填好，教師核對(duì)答案。)2.(指導(dǎo)學(xué)生閱讀3a，板書(shū)文中的關(guān)鍵詞和短語(yǔ)，為下一環(huán)節(jié)的課文復(fù)述作準(zhǔn)備。)T: Wehavetalkedaboutsomanyinventions.Nowwearegoingtolearnsomethingnewaboutagreattechnology.DoyouknowDolly?Ss: Yes,ofcourse.T: It’sthenameofthefirstclonedsheep.Cloningisafamousexperimentthroughouttheworld.(板書(shū)，解釋并要求掌握。)experimentn.Cloningisafamousexperimentthroughouttheworld.DoyouwanttoknowmoreaboutDolly?OK,read3acarefullyin5minutes,andthenfinish3b.(核對(duì)答案為(1)F,(2)T,(3)F,(4)F)3.(讓學(xué)生聽(tīng)3a并跟讀，畫(huà)出重點(diǎn)單詞和詞組，教師板書(shū)。)T:Pleaselistento3aandreadafterit.Findoutthenewwordsandimportantphrases.(板書(shū))clone,experiment,sofar,besimilarto(學(xué)生聽(tīng)完錄音后，與教師板書(shū)的內(nèi)容對(duì)照，并朗讀課文3a，教師講解本課重要詞組。)Step3Consolidation第三步鞏固(時(shí)間:10分鐘)1.(引導(dǎo)學(xué)生看黑板上表格中的信息，講述三項(xiàng)發(fā)明的情況，鞏固1a。鼓勵(lì)學(xué)生使用本課的目標(biāo)語(yǔ)言：一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)。)T:Now,lookatthechartontheblackboardandtrytosaysomethingabouttheinventionswelearnedjustnow.S1:ThelightbulbwasinventedbyThomasEdisonin1879.S2:TheradiowasinventedbyGuglielmoMarconiin1895.S3:TheairplanewasinventedbyWilburandOrvilleWright.Itwasinventedin1903.T:Welldone!NowsupposeyouareJaneandMichael.You’revisitingtheScienceTalkaboutthethreeinventionsaswelearnedjustnow.Thenactitout.Getreadyforitin3minutes,OK?(讓學(xué)生自編自演對(duì)話。)2.(指導(dǎo)學(xué)生看黑板上另一板塊3a中的關(guān)鍵詞，用這些關(guān)鍵詞來(lái)復(fù)述3a，讓學(xué)生用3分鐘時(shí)間做準(zhǔn)備，然后用接龍的方式進(jìn)行復(fù)述。教師利用黑板上的中心詞進(jìn)行提醒。)theclonedsheep,created,Scotland,anexperiment,someotheranimals,DNA,livingthings,everypartofyourbody,similar,thesameasT:Justnow,we’velearnedsomethingaboutcloning.Lookatthewordsontheblackboard.Canyousaysomethingabout“clone”?S3:Dolly,aclonedsheep.T:Yeah.It’swell-known.S5:Cloningisknownasagreatexperimentallovertheworld.T:Good!S7:ShewascreatedinScotlandafewyearsago.S8:Sofar,manhasclonedrabbits,sheep,cows,mice,pigsandsomeotheranimals.(讓剛才搶答問(wèn)題的學(xué)生重復(fù)一遍自己所說(shuō)的那句話，教師不再提示關(guān)鍵詞，讓學(xué)生按同樣的方式繼續(xù)進(jìn)行接龍。為激發(fā)學(xué)生的興趣，可分組競(jìng)賽，看哪組復(fù)述的句子又快，又多，又準(zhǔn)確。)(精心組織學(xué)生復(fù)述課文，同時(shí)反復(fù)提示本課目標(biāo)語(yǔ)言：becreated,beinvented。在黑板上記錄每組的競(jìng)賽結(jié)果，對(duì)勝者進(jìn)行掌聲鼓勵(lì)。)Group1√√√√√Group2√√√√√Step4Practice第四步練習(xí)(時(shí)間:7分鐘)1.T:Boysandgirls,doyouwanttoknowsomethingaboutmoreinventions?Let’slistentothetapecarefullyandcomplete2onpage87.(播放2錄音，然后檢查部分學(xué)生答案，視情況需要，可再播放一遍錄音。然后就聽(tīng)力內(nèi)容提問(wèn)。)T:Whowasthecarinventedby?Ss:KarlBenz.T:Whenwasitinvented?Ss:In…T:Whataboutthetelephone?Ss:ItwasinventedbyAlexanderGrahamBellin…T:WhatdidJohnBairdinvent?Ss:Heinventedthetelevision…T:Whendidheinventit?Ss:Heinventeditin…(讓學(xué)生分成三組分別討論這三項(xiàng)發(fā)明，并用自己的話復(fù)述2中的部分內(nèi)容。)T:Now,pleasetalkabouttheinventionsinyourownwords.Group1,pleasetellussomethingaboutthecar.G1:Thecar…T:Now,Group2,wouldyouliketotalkaboutthetelephoneorthetelevision?G2:We’dliketotalkabout…T:Group3.It’syourturntotalkabout...2.(用多媒體展示一些圖片，并要求學(xué)生用過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)造句。鞏固本課的語(yǔ)言點(diǎn)。完成4。)T:Makeupsentencesaccordingtotheexampleandpractisemore.Forexample:(展示電腦圖片)ComputerswereinventedinAmericain1946.(展示神州六號(hào)發(fā)射圖)Ss:ShenzhouⅥwaslaunchedintospaceinChinain2022.(展示由導(dǎo)演戈?duì)枴の仲e斯基執(zhí)導(dǎo)的《加勒比海盜》)Ss:ThefilmwasdirectedbyGoreVerbinskiin2022.(展示收音機(jī)圖片)Ss:Itwasinventedin1895.….Step5Project第五步綜合探究活動(dòng)(時(shí)間:5分鐘)Homework:Pleasewriteashortpassage.Youcanchooseanewtechnologyoragreatinvention.Saysomethingaboutausefulinventionaroundyou,orsomethingyouwanttoinventinthefuture.You’dbettertelluswhatyouthinkofit.(家庭作業(yè)：寫一篇短文，說(shuō)說(shuō)某一項(xiàng)新技術(shù)，大發(fā)明或說(shuō)說(shuō)你身邊的某一項(xiàng)很實(shí)用的發(fā)明，甚至可以談?wù)撃阕约旱陌l(fā)明設(shè)想。最好說(shuō)出你的想法。)板書(shū)設(shè)計(jì)：Whenwasitdeveloped?SectionBsofarbesimilarto…Cloningisafamousexperimentthroughouttheworld.SectionCThemainactivityis1a.本課重點(diǎn)活動(dòng)是1aⅠ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwordsandexpressions:servant,forcertain,housework,makeacontributiontoNooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.2.Discusstheadvantagesanddisadvantagesofrobots.Ⅱ.Teachingaids教具錄音機(jī)/單詞卡片/寫有單詞釋義的卡片/多媒體課件/一些機(jī)器人的圖片(或教學(xué)掛圖)/幻燈片Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時(shí)間:13分鐘)1.(出示幻燈片，同學(xué)們根據(jù)幻燈片的圖表，用過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)做對(duì)話練習(xí)。)InventionInventorYearcarKarlBenz1885radioGuglielmoMarconi1895lightbulbThomasEdison1879T:Boysandgirls,wehavelearnedmanyinventionsduringthelastperiod.Lookatthetableandmakedialogslikethis:A:Whenwasthecarinvented?B:Itwasinventedin1885.A:Whowasthecarinventedby?B:ItwasinventedbyKarlBenz.T: OK!I’llasktwostudentstoaskandanswerquestionsabouttheradio.S1:Whenwastheradioinvented?S2:Itwasinventedin1895.S1:Whowastheradioinventedby?S2:ItwasinventedbyGuglielmoMarconi.(再找兩組同學(xué)做類似對(duì)話。)2.(師生互動(dòng)，導(dǎo)入新課。)T:Wehavelearnedmanyinventionssuchascomputers,digitalcameras,TVsets,lightbulbs.Whichinventiondoyoulikebest?Canyoutellme?S3:Computers.S4:Cars.S5:…T:Whydoyoulikecomputersbest,S3?S3:BecauseIcanlearnalotonthecomputers.Playingcomputergamesisveryexciting.T:Whichinventionwouldyouliketoown,S6?S6:I’dliketoownadictionary.ItcanhelpmelearnEnglishwell.T:Verygood.Anyoneelse?S7:I’dliketoownacar.It’sveryconvenient.S8:Whichinventionwouldyouliketoown,Mr./Miss…?T:IfeelverytiredafterworkandIdon’tfeellikedoinganyhouseworkatthattime.SoI’dliketoownarobot.Doyouknowrobots?(教師釋義并板書(shū)，要求掌握housework。)houseworkn.Ss:Yes.Butwhy?T:I’dlikearobottohelpmedoalotofhousework.Itcancookforme.Itcancleanthehouseforme.Incoldwinter,itcanwashclothesforme.Ha!It’sjustlikeaservant.It’sdangerousformetocleantheoutsideofthewindows.OK,lettherobotdoit.(板書(shū)并要求掌握生詞servant。)servantn.Ss:That’sveryinteresting.T:Yes.Studyhard,andmaybeyoucaninventsomethingusefuloneday.3.(多媒體展示機(jī)器人，教師介紹導(dǎo)出本課的重點(diǎn)句型。)T:Look!Thisisarobot.Itreatitasmyservant.Willitbefriendlyorunfriendly?Nooneknowsforcertain.Sofar,robotshaven’tcausedusanyproblems.(板書(shū)并解釋)forcertainRobotshaven’tcausedusanyproblems.T:Theyworkforuslikeservantsallthetimeandhelpusdodangerousanddifficultwork.(板書(shū))Theyhelpusdodangerousanddifficultwork.T:Withthedevelopmentofourtechnology,mayberobotswillthinkandactforthemselves.Theywillnolongerwanttobeourservants,butourmasters.Doyouthinkitisverydangerous?Maybetherewillbeawarbetweenrobotsandhumanbeings.Step2Presentation第二步呈現(xiàn)(時(shí)間:10分鐘)1.(播放錄音，讓學(xué)生在文中畫(huà)出關(guān)鍵詞和短語(yǔ)。)T:Boysandgirls,we’velearnedsomethingaboutrobots.Andtodaywe’lllearnapassageaboutrobots.Firstlistentothetapecarefullyandfindoutthekeywordsandexpressions.Trytoretellthetext.future,certain,friendly,problems,servants,help,development,perhaps,however,nolonger,warn,if,lucky,treat,war2.(讓學(xué)生閱讀1a,分小組討論1c中的話題。)T:Readthepassagebyyourselvesanddiscussthefollowingquestionsinpairs.(1)Doyouthinkthatrobotswillbepartofourlivesinthefuture?(2)Robotsaremeanttobeourservants,aren’tthey?(3)Doyouthinkrobotscanthinkoractforthemselves?(4)Whydoesthetitlehaveaquestionmark?(為集中學(xué)生注意力，節(jié)約有限的課堂時(shí)間，把整個(gè)班級(jí)分成四個(gè)小組，每個(gè)小組要選擇并討論其中一個(gè)話題。給學(xué)生五分鐘時(shí)間閱讀短文和準(zhǔn)備討論的話題。)T:Group1,what’syourtopic?G1:Question1.T:Doyouthinkthatrobotswillbepartofourlivesinthefuture?G1:Yes,wethinkso.Theycanhelpusdosomedangerousandhardwork.Theyworkfastandtheyarenevertired.T:Group2,whatdidyoutalkabout?G2:WetalkedaboutQuestion3.Wedon’tthinkrobotscanthinkoractforthemselves.Humanbeingscreatedrobots.Sowecancontrolthem.Robotscanworkforhumanbeings,andtheydon’tcomplain.Theycan’tthinkforthemselves.T:Maybe.Nowit’syourturn,Group3.What’syouropinion?G3:Wedon’tthinkrobotsaremeanttobeourservants.Theyareimportant.Theycandoalotofworkforus.Butwemustn’ttreatthemasourservants.Theyshouldbeourfriends.Wecantalkwiththem.T:Yes,Iagreewithyou.Andwhatdoyouthinkofthetitle,Group4?Whydoesthetitleneedaquestionmark?G4:Becausethewriterisnotsurewhetherrobotswillbeourservantsinthefuture.(orthewriterdoesn’tthinkthatrobotswillbeourservants.)Step3Consolidation第三步鞏固(時(shí)間:8分鐘)1.T:Readthewordsyouunderlinedjustnow.Makesureofknowingwhattheymean.Now,let’shaveacompetitionamonggroups.Let’smakesentenceswiththesewords.Don’tlookatyourbooksandmakesomesentencesaboutrobots.Youcanusethesamesentencesasthepassageifyouremember.(讓學(xué)生用教師提示的關(guān)鍵詞進(jìn)行造句競(jìng)賽，為活躍課堂氣氛，可以將班級(jí)分為三大組，并把競(jìng)賽結(jié)果記錄在黑板上，最后必須進(jìn)行總結(jié)和鼓勵(lì)，充分調(diào)動(dòng)全體學(xué)生的積極性。)T:Future.Ss:Whatwillourfuturebelike?T:Certain.Ss:Nooneknowsforcertain.T:Friendly.Ss:Willrobotsbefriendlyorunfriendly?(完成一段后，再讓剛才發(fā)言的同學(xué)在沒(méi)有老師提示關(guān)鍵詞的情況下，快速說(shuō)出自己的那個(gè)句子，將一段完整的短文復(fù)述完畢。教師總結(jié)這一小段的競(jìng)賽情況并板書(shū)。)T:IthinkGroup1andGroup2areveryactive.Group3,youneedtoworkhard.I’msureyou’lldobetternexttime.Group1Group2Group32.(出示幻燈片，讓學(xué)生完成下面對(duì)機(jī)器人的介紹，鞏固對(duì)文中出現(xiàn)的關(guān)鍵詞和短語(yǔ)的掌握。)T:Pleasekeepyourbooksclosed.Fillintheblanksaccordingto1a.Sofar,robotshaven’tusanyproblems.Theyworkforuslikeallthetime.Theyhelpusdoandwork.Peopleareatthedevelopmentofrobots.Inafewyears,perhapsrobotswillthinkandforthemselves.However,robotscanthinkforthemselves,problemsmay.Perhapstherewillbeabetweenhumanbeingsandrobots.T:Openyourbooksandread1aagain.Checktheanswersbyyourselves.Step4Practice第四步練習(xí)(時(shí)間:8分鐘)1.(出示自制單詞卡片和寫有單詞釋義的卡片，做找朋友的游戲。A組同學(xué)持有單詞卡，B組同學(xué)持有單詞釋義的卡片，讓A組同學(xué)說(shuō)出自己的單詞，B組同學(xué)拿出單詞釋義卡找朋友。完成1b。)A組warncauseservantcertainB組Tomakesomethinghappenorappear.Apersonwhoispaidtodohouseworkforafamily.Totellsomebodythatsomethingbadordangerousmayhappensothattheycanpreventit.Sureandconfident,withoutanydoubts.2.(播放2錄音，讓學(xué)生完成2。)T:Let’slistentothetape,andfinish2byyourself.We’lllistentothepassagetwice.(板書(shū)，講解。)contributionn.makeacontributionto+n./doingsth.(聽(tīng)完后，核對(duì)答案。)答案：1.morethan2.invention3.health4.examine5.used6.should(為了使學(xué)生加深對(duì)所聽(tīng)內(nèi)容的理解，提兩個(gè)問(wèn)題讓學(xué)生回答。)T:Whatarex-raysusedfor?Ss:Theyareusedforexaminingpatients’bodies.T:Whyshoulditbeusedproperly?Ss:Becauseithassomebadeffectsonourhealth.Step5Project第五步綜合探究活動(dòng)(時(shí)間:6分鐘)(根據(jù)3中的要求，讓學(xué)生設(shè)計(jì)一個(gè)新發(fā)明，并畫(huà)出來(lái)。完成3。)T:LookatKangkang’sinventionandtheinformation.Discussingroupsanddesignyourowninvention.Thendrawapictureofit.(學(xué)生準(zhǔn)備好以后，選出其中三個(gè)準(zhǔn)備較好的學(xué)生，要求他們談?wù)撟约旱脑O(shè)計(jì)。)T:Whowouldliketoshowyourdesign?(也可用相互提問(wèn)的方式擴(kuò)大練習(xí)范圍，讓全體學(xué)生都有機(jī)會(huì)參與探究活動(dòng)，利用所學(xué)的語(yǔ)言和信息進(jìn)行交流。)板書(shū)設(shè)計(jì)：Whenwasitdeveloped?SectionCforcertainmakeacontributiontoSofar,robotshaven’tcausedusanyproblems.Theyhelpusdodangerousanddifficultwork.SectionDThemainactivitiesare1aand3.本課重點(diǎn)活動(dòng)是1Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnnewphrasesandusefulexpressions:aslongas,runaway,inshortInshort,thisrobotisveryusefultous.2.Sumupthesimplepastpassivevoice.3.Talkaboutnewtechnologiesandinventions.Ⅱ.Teachingaids教具講解GPS的有聲多媒體課件(沒(méi)條件的就用小黑板事先寫好)/標(biāo)有發(fā)明物的卡片/錄音機(jī)Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時(shí)間:13分鐘)1.(師生互動(dòng)，帶學(xué)生一起復(fù)習(xí)歸納本話題的語(yǔ)法及語(yǔ)言點(diǎn)。激發(fā)學(xué)生的興趣，培養(yǎng)學(xué)生的口語(yǔ)表達(dá)能力。)T:Howareyou,boysandgirls?Ss:Fine,thankyou.Andyou?Ss:Yes,welearnedthelightbulb,thecar,thecellphone…T:Veryclever.Butwhocantellmewhenthelightbulbwasinvented?Andwhoinventedit?S1:Itwasinventedin1879.S2:I’mnotsure,butitwasinventedbyThomasEdison.T:Doyouremembertheplar?Ss:Yes.T:Whenwasitinvented?Ss:Around2022.T:Wherewasitinvented?Ss:I’mnotsure.MaybeitwasinventedinKangkang’shome.T:OK,verygood.(板書(shū))Whenwasitinvented?Around2022.Wherewasitinvented?Itwasinvented…(出示手機(jī)的卡片)T:Whenwasthecellphoneinvented?S3:Itwasinventedin1973.T:Wherewasitinvented?S4:ItwasinventedinAmerica.2.(緊承上面的話題，以手機(jī)為切入點(diǎn)，導(dǎo)入新課。)T: Cellphonesarewidelyusedallovertheworld.It’sreportedthatover93%offamiliesincitiesowncellphones,butcellphonesarelosteasily.Haveyouwatchedthemovie“AWorldWithoutThieves”?Ss:Yes.T:Inthemovie,alotofcellphoneswerestolenby“LiuDehua”.Nowadays,oneofthenewtechnologiescanbeusedtofindthelostcellphoneseasily.Isitamazing?OK,let’sread1candthinkaboutthequestion:Whycouldthepolicecatchthethiefeasily?(板書(shū)并解釋)runaway逃跑，失控(一分鐘后)Haveyoufinishedreading?Doyouwanttoknowtheanswer?Well,let’sbeginthenewlesson.Step2Presentation第二步呈現(xiàn)(時(shí)間:10分鐘)1.(播放多媒體，簡(jiǎn)介GPS，讓學(xué)生了解其意義，展示GPS的背景知識(shí)。)T:Lookatthescreen.GPSisshortfortheGlobalPositioningSystem.(板書(shū))globaladj.全球的，世界的GPS=theGlobalPositioningSystemGPSislikeman-made“stars”.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.Theearlyexplorersusedthestarsaslandmarkstoknowwheretheywereandinwhichdirectiontheyweregoing.Butthismethodworkedwellatnightaslongastheweatherwasgood.(板書(shū)并解釋。)landmarkn.aslongas…只要Thismethodworkedwellatnightaslongastheweatherwasgood.2.(讓學(xué)生打開(kāi)課本，播放錄音。要求學(xué)生認(rèn)真聽(tīng)錄音的同時(shí)，注意劃出關(guān)鍵詞。教師板書(shū)。)T:Boysandgirls,justnowItalkedsomethingaboutGPS.Nowlet’slistentothetapetolearnapassageaboutGPS,andunderlinethekeywords.(板書(shū))question,explorers,landmarks,findout,direction,aslongas,problem,like,use,shape3.(讓學(xué)生閱讀1a，然后討論下列問(wèn)題，四人一組。完成1b。)Questions:1.Whatwouldyoudoifyoulostyourwayinaforest?2.Howdidtheearlyexplorersknowwheretheywere?3.WhatisGPS?Isitusefultous?4.WhatdoyouthinkGPSwillbeusedforinthefuture?(學(xué)生討論完后，小組長(zhǎng)要整理好答案匯報(bào)。教師抽查部分小組的答案，再歸納總結(jié)。)Step3Consolidation第三步鞏固(時(shí)間:8分鐘)1.(根據(jù)板書(shū)的關(guān)鍵詞來(lái)復(fù)述1a，分男、女兩組競(jìng)賽方式，激發(fā)學(xué)生的興趣，熟悉所學(xué)的知識(shí)。)T:Boysandgirls,let’sbeginourcompetition.question.Girls:Thatwasabigquestionwhenwefirstexploredourworldlongago.T:explorers.Boys:Theearlyexplorersfoundthatthestarsintheskyweregoodlandmarks.T:findout.Girls:Usingthestars,theycouldfindoutwheretheywereandinwhichdirectiontheywere going.T:aslongas.Boys:Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.T:problem.Girls: Butitdidn’tworksowellduringtherestofthetime.Thiswasaproblem.T:like.Boys:GPSislikeman-made“stars”.T:use.Girls:Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.T:shape.Boys:GPScanalsobeusedtostudytheshapeoftheearth.T:OK,youdidverywell.Boysandgirlsarebothexcellent.2.(歸納總結(jié)，回應(yīng)呈現(xiàn)部分。)T:Now,wehaveknownGPSverywell.Ithinkyouhavefoundouttheanswertothequestion.S5,couldyoutellmewhythepolicecancatch