2023學(xué)年完整公開課版Unit4Topic3SectionA教案

Unit4Topic3SectionAThemainactivitiesare1aand2a.本課重點活動是1a和2a。Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnthenewword:research2.Helpthestudentstolearntheusageofpassivevoice.3.TalkaboutflyingtoMarsandtheouterspaceandsomethingaboutthealiens.4.Helpstudentstolearnexpressingpossibilityandimpossibility.Ⅱ.Teachingaids教具錄音機/一個破損的MP3Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時間:14分鐘)1.(復(fù)習(xí)一般過去時的被動語態(tài)。)T:Goodmorning.Boysandgirls!(突然面色表情由晴轉(zhuǎn)陰。)WhathappenedtomyMP3?Itwasbroken.(把壞的MP3給同學(xué)們看，面帶心痛神色。)WhowasmyMP3brokenby?(轉(zhuǎn)向全體同學(xué)。)Wasitbrokenbyyou,S1?(對前排的一個同學(xué)提問。)(同學(xué)們笑，然后開始猜測，教師引導(dǎo)學(xué)生用英語表達。)S2:Wasitbrokenbyyourself,Miss/Mr.…？T:No.S3:Wasitbrokenbyyourdaughter?T:Exactly.Itwasbrokenbymydaughter.(板書)was/were+.2.(引導(dǎo)學(xué)生談?wù)撉懊鎸W(xué)過的發(fā)明物的情況如克隆及機器人等。鼓勵更多的同學(xué)開口用學(xué)過的句型來表達，提高學(xué)生的口語表達能力。)T:We’velearnedcloning.NowI’dlikesomestudentstosaysomethingaboutcloning.S4:TheclonedsheepcalledDollywascreatedinScotlandafewyearsago.S5:Cloningisknownasagreatexperimentallovertheworld.(加重語氣讀被動語態(tài)部分。)S6:Sofarscientistshaveclonedrabbits,sheep,cows,mice,pigsandsomeotheranimals.S7:ThereisDNAinmostlivingthings.DNAisthesameineverypartofyourbody.T:Great.I’mverygladthatyoudidsowell.IhopeeveryoneofyoucanhaveachancetospeakEnglishinourclass.3.(教師引導(dǎo)學(xué)生談?wù)動钪妫瑢?dǎo)入新課及語法。)T:Thesearemanyusefulinventions.Theyhavechangedourlife.Withthedevelopmentofourtechnology,therewillbemoreandmoreusefulinventions.YangLiweihasflownintothespacesuccessfully.MaybepeoplewillflytoMarsoneday.Doyouthinkitismagical?Ss:Yes,that’sveryexciting.S8:IwanttobeanastronautlikeYangLiwei.S9:FlytoMars?CanwedothesamethingonMarsasontheearth?T:Yes,we’llbeabletodoanythingthatcanbedoneontheearth.(板書并解釋。)We’llbeabletodoanythingthatcanbedoneontheearth.↓modalverb+be+.T:Doyouthinktherearealiensinspace?S10:Idon’tthinkalienscanbefoundinspace.S11:Iwon’tbelievetherearealiensuntilIseethemwithmyowneyes.(板書)seesomebody/somethingwithone’sowneyesT:OK,Ithinkscientistswilldoexperimenttoresearch.Soscientificresearchshouldbedonecarefully.(教師釋義并領(lǐng)讀生詞research,scientific。)T:Boysandgirls.Ifyoucanbeanastronautoneday,maybeyoucandomoreresearchaboutspace.Butyoushouldstudyhardnowtomakeyourdreamcometrue.Step2Presentation第二步呈現(xiàn)(時間:8分鐘)1.(播放1a錄音,讓學(xué)生帶著問題聽,提高學(xué)生的聽力能力。)T:Boysandgirls.Let’slistentothedialogandanswerthequestions.(板書)1.WhataretheygoingtodothisSaturdayevening?2.Isitamovieaboutaliens?3.WhatcanpeopledoonMarsinthatmovie?T:Boysandgirls.Canyouanswerthequestions?(與學(xué)生核對答案。)2.(打開課本，將學(xué)生分成兩部分朗讀1a，讓學(xué)生畫出關(guān)鍵詞，再讀一遍后,完成1b。)T:Openyourbooks.Group1andGroup2actJane.Group3andGroup4actMichael.Readthedialog.Afterreading,findoutthekeywordsinit.Readonceagainandfinish1b.(板書)movie,lifeinspace,exciting,travelby,visitplanets,liveonMars,liveinspace,houses,there,schools,hospitalsandcities,canbedone,can’twait(核對1b的答案。)3.(讓學(xué)生找出對話中的新語法句型modalverb+be+，進行操練。)T:Wehavelearned“is/are+.andwas/were+.”.Pleasefindoutsentencewith:modalverb+be+.(教師強調(diào)帶有情態(tài)動詞的被動語態(tài)結(jié)構(gòu)。)T:Ss:OK.T:Weshouldcleanourclassroomeveryday.Ss:Ourclassroomshouldbecleanedbyuseveryday.T:Wemustfinishourhomeworkontime.Ss:Ourhomeworkmustbefinishedontime.T:Imayputmybookinyourbag.Ss:Mybookmaybeputinyourbag.T:Excellent.Youdidagoodjob.Step3Consolidation第三步鞏固(時間:9分鐘)1.(讓學(xué)生表演1a。)T:Boysandgirls.Canyouactoutthedialog?Ss:Yes.(學(xué)生表演后，教師給予鼓勵表揚。)2.(放2a錄音，讓學(xué)生帶著問題去聽。)T:WeknowJaneandMichaelweregoingtoseeawonderfulmovie.Afterseeingthemovie,whataretheytalkingabout?Nowlet’slistentothetapeandanswerthequestions.(板書)1.Howmanypeoplearethereinthedialog?2.Whataretheytalkingabout?3.WhatdoestheAmericanscientistthinkaboutaliens?(核對答案)3.(分組朗讀2a，完成2b。再讀對話后找學(xué)生復(fù)述。)T:BoysactMichael,girlsactJane,pleasereadthedialogloudly.Afterreading,pleasefinish2b.(核對答案)T:Read2aagain.Thenretellthedialog.Step4Practice第四步練習(xí)(時間:9分鐘)1.(對話1a和2a意思是相連的，安排學(xué)生兩人對話并表演，準(zhǔn)備五分鐘，至少3組同學(xué)表演。)T:Boysandgirls,Dialog1aandDialog2acanbeactedouttogether.Nowpleaseprepareforitforfiveminutes,thenactitoutinpairs.(學(xué)生表演完后教師點評，鼓勵并表揚。)2.(教師提供對話中的關(guān)鍵詞，讓學(xué)生完成復(fù)述任務(wù)。)T:Now,Isaythekeywordsinthetwodialogs.Canyouretellthedialogs?Ss:Let’shaveatry.T:awonderfulmovie.Ss:TherewillbeawonderfulmoviethisSaturdayevening.T:lifeinspace.Ss:It’samovieaboutlifeinspace.T:travelbyspaceship.Ss:Allthepeopletravelbyspaceshipinthemovie.T:liveinspace.Ss:Michaelthinkstheywillliveinspaceoneday.T:houses,schools,hospitalsandcities.Ss:Therewillbehouses,schools,hospitalsandcities.T:beableto.Ss:Wewillbeabletodoanythingthatcanbedoneontheearth.T:aliens.Ss:DoesMichaelbelievetherearealiens?T:scientiststhink.Ss:Somescientiststhinktherearealiens.OneAmericanscientistthinkstheyhavealreadybeenontheearth.T:inorderto.Ss:TheyarereadingontheInternetinordertolearnabouthumanculture.T:won’t…until.Ss:Janewon’tbelievetherearealiensuntilsheseesthemwithherowneyes.T:Great.Youdidverywell.Afterclassyoushouldrecitethetwodialogs.OK?Ss:OK.3.(學(xué)生完成2c，掌握情態(tài)動詞+被動語態(tài)。)T:Boysandgirls.Finish2c.Matchthetwocolumnstomakesentences.Payattentiontothenewgrammer:“Modalverb+be+.”。(核對答案)(1)Humansmaybeclonedbyscientistssomeday.(2)Moresatellitesmustbesentintospace.(3)Scientificresearchshouldbedonecarefully.(4)Otherplanetsmaybevisitedinthefuture.(5)Alienshavenotbeenseenbymanypeople.Step5Project第五步綜合探究活動(時間:5分鐘)1.(聽歌闖關(guān)。)T:Boysandgirls.Doyoulikesongs?I’llplayasong.GirlSingingintheWreckage(《廢墟中歌唱的姑娘》).T:Doyoulikeit?Ss:Yes,wedo.T:Butwearegoingtowritedownthelyrics.Ifyoucanwrite,youshouldsay,“Thissentencecanbewritten.OK?”S