SectionBThemainactivitiesare1aand3a.本課重點活動是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/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)(時間:13分鐘)1.(做一個鏈?zhǔn)接螒?，以小組為單位，就上一節(jié)課學(xué)過的計算機、MP3、CD、手機、數(shù)碼相機或?qū)W習(xí)用具等進行對話，用bemadeof/bemadein/bedevelopedfrom/beusedfor進行操練。讓每一小組的第一個同學(xué)回過頭去問下一位同學(xué)，依次接著往下問。)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.(展示一幅飛機的圖片。)Whoinventedit?(同時展出圖片的發(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(由兩個學(xué)生到黑板上把表格填好，教師核對答案。)2.(指導(dǎo)學(xué)生閱讀3a，板書文中的關(guān)鍵詞和短語，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，解釋并要求掌握。)experimentn.Cloningisafamousexperimentthroughouttheworld.DoyouwanttoknowmoreaboutDolly?OK,read3acarefullyin5minutes,andthenfinish3b.(核對答案為(1)F,(2)T,(3)F,(4)F)3.(讓學(xué)生聽3a并跟讀，畫出重點單詞和詞組，教師板書。)T:Pleaselistento3aandreadafterit.Findoutthenewwordsandimportantphrases.(板書)clone,experiment,sofar,besimilarto(學(xué)生聽完錄音后，與教師板書的內(nèi)容對照，并朗讀課文3a，教師講解本課重要詞組。)Step3Consolidation第三步鞏固(時間:10分鐘)1.(引導(dǎo)學(xué)生看黑板上表格中的信息，講述三項發(fā)明的情況，鞏固1a。鼓勵學(xué)生使用本課的目標(biāo)語言：一般過去時的被動語態(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)鍵詞來復(fù)述3a，讓學(xué)生用3分鐘時間做準(zhǔn)備，然后用接龍的方式進行復(fù)述。教師利用黑板上的中心詞進行提醒。)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.(讓剛才搶答問題的學(xué)生重復(fù)一遍自己所說的那句話，教師不再提示關(guān)鍵詞，讓學(xué)生按同樣的方式繼續(xù)進行接龍。為激發(fā)學(xué)生的興趣，可分組競賽，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，同時反復(fù)提示本課目標(biāo)語言：becreated,beinvented。在黑板上記錄每組的競賽結(jié)果，對勝者進行掌聲鼓勵。)Group1√√√√√Group2√√√√√Step4Practice第四步練習(xí)(時間: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。然后就聽力內(nèi)容提問。)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)生用過去時的被動語態(tài)造句。鞏固本課的語言點。完成4。)T:Makeupsentencesaccordingtotheexampleandpractisemore.Forexample:(展示電腦圖片)ComputerswereinventedinAmericain1946.(展示神州六號發(fā)射圖)Ss:ShenzhouⅥwaslaunchedintospaceinChinain2022.(展示由導(dǎo)演戈爾·沃賓斯基執(zhí)導(dǎo)的《加勒比海盜》)Ss:ThefilmwasdirectedbyGoreVerbinskiin2022.(展示收音機圖片)Ss:Itwasinventedin1895.….Step5Project第五步綜合探究活動(時間:5分鐘)Homework:Pleasewriteashortpassage.Youcanchooseanewtechnologyoragreatinvention.Saysomethingabouta