2023學(xué)年完整公開課版Unit4Topic3SectionC教案

SectionCThemainactivitiesare1aand3a.本課重點(diǎn)活動是1a和3a。Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnthenewwordandphrase:storm,baseon2.Reviewthepassivevoice.3.LearnsomethingmoreaboutMars.Ⅱ.Teachingaids教具錄音機(jī)/音樂磁帶/地理課堂教學(xué)掛圖之八大行星/聽力任務(wù)幻燈片/多媒體Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時間:10分鐘)1.(讓學(xué)生聽一段音樂，電影科幻片《時間機(jī)器》的主題曲，為導(dǎo)入科幻電影打基礎(chǔ)，也激發(fā)了學(xué)生的興趣。)T:Boysandgirls.Doyoulikelisteningtomusic?Ss:Yes.T:OK.Let’slistentoapieceofmusicfromthefilmTheTimeMachine.Ithinkitisverybeautiful.(聽完音樂后)T:Isitbeautiful?Ss:Yes,welikeitverymuch.T:Ifyoulikeit,afterclassyoucansearchitontheInternet.AndyoucanalsoseethefictionfilmTheTimeMachine.Youwilllearnmoreaboutit.2.(利用八大行星圖,復(fù)習(xí)上節(jié)課內(nèi)容。)T:Boysandgirls,lookatthepicture.Let’ssaysomethingaboutit.Canthemoonbevisited?Ss:Yes,itcan.T:Yes,menhavealreadybeenthere.Cantheearthbevisited?Ss:Yes.(全體笑)Weliveontheearth.(鼓勵學(xué)生互相用含有不同情態(tài)動詞的被動語態(tài)句式問與答。)T:Boysandgirls,askandanswerquestionsinpairslikethis.OK?Ss:Yes.T:NowI’mgoingtochoosepairstoaskandanswer.T:ThereisgoingtobeaninternationaljourneytoexploreMarsoneday.(指著掛圖上的火星說。)T:Marsisatadistanceofabout228millionkilometers.(板書)atadistanceof…(解釋該詞組，給出例句。)Forexample:1.Putthestoneatadistanceofabout20metersfromthedoor.2.Followhimatadistance.(鼓勵學(xué)生造句，糾正其中錯誤，確定多數(shù)學(xué)生能理解和運(yùn)用。)T:Boysandgirls,canyoumakesentenceswith“atadistance”?S1:Letmetry.Thestarsareshiningatadistance.S2:…T:LookatMars.Itssurfaceisred.Itisdifferentfromthesurfaceoftheearth,andthegravityonitisaboutonethirdasstrongasitisontheearth.(教師釋義并領(lǐng)讀gravity。)T:TheaironMarshasonly0.13%oxygen.(引導(dǎo)學(xué)生猜測詞意，并領(lǐng)讀。)(教師解釋0.13%讀作zeropointonethreepercent)T:Somestarscannotbeseeninthesky.Butifyouusetelescope,morestarscanbeseen.Step2Presentation第二步呈現(xiàn)(時間:8分鐘)1.(讓學(xué)生聽錄音1a，并設(shè)置聽力任務(wù)，幻燈片出示聽力任務(wù)。)T:Boysandgirls,let’slistentothetape.Andanswerthequestionsonthescreen.1.Whatdoesitlooklike?2.Canpeoplelivethereeasily?(聽完后，讓學(xué)生回答問題，教師核對答案，有必要可再放一遍。)1.Itlookslikearedandorangeball.2.No,theycan’t.2.(讓學(xué)生讀1a,找出文中的疑難和關(guān)鍵詞，并畫出來。培養(yǎng)學(xué)生自主學(xué)習(xí)的能力。)3.(教師講解所畫出的疑難點(diǎn)，并板書學(xué)生找出的關(guān)鍵詞。)T:Haveyoufinishedalready?S1,please.S1:Itisreportedthat…,takepartin,looklike…S2:Goaround,asbigas…T:OK.Youdidverywell.(板書)reported,takepartin,looklike,goesaround,asbigas,brightred,aredandorangeball,beautiful,strongstorms,thegravity,asstrongas,thetemperature,theair,eightmonths,searchfor(讓學(xué)生再讀1a，為下一步做新準(zhǔn)備。)Step3Consolidation第三步鞏固(時間:12分鐘)1.(學(xué)生根據(jù)板書的關(guān)鍵詞復(fù)述1a，加深理解，提高表達(dá)能力。)T:Pleaseretellthepassageaccordingtothekeywordsontheblackboard.Iwillsaythekeyword,youmakesentencestogether,OK?Ss:OK.T:ReportedSs:ItwasreportedthatChinaplanstotakepartinaninternationalflighttoexploreMars.T:Good.Looklike.Ss:WhatdoesMarslooklike?T:Goesaround.Ss:Marsgoesaroundthesunatadistanceofabout228millionkilometers.T:Asbigas.Ss:Itisaquarterasbigastheearth.T:Aredandorangeball.Ss:Marslookslikearedandorangeball.T:Great,next.Thegravity.Ss:ThegravityonthesurfaceofMarsisaboutonethirdasstrongasitisontheearth.T:Thetemperature.Ss:ThetemperatureonMarsisbetween-140℃and20T:Eightmonths.Ss:IttakesaspaceshipfromearthabouteightmonthstoreachMarswhenthetwoplanetsareclosesttoeachother.T:Searchfor.Ss:ScientistsaresearchingformoreinformationaboutMarseachyear.T:Excellent.Youdidagoodjob.2.(完成1b練習(xí)。)T:Boysandgirls,read1aagain,andfindoutinformationaboutMars.Color:_________Shape:_________Climate:_________Distancefromthesun:_____________________________________________(核對答案。)Color:redandorange.Shape:Itlookslikeaball.Climate:Duringspringandsummer,strongstormscancoverthewholesufaceofMars.ThetemperatureonMarsisbetween-140℃and20Distancefromthesun:about228millionkilometers.Step4Practice第四步練習(xí)(時間:10分鐘)1.(兩人一組討論2中的問題，并安排兩或三組同學(xué)匯報。培養(yǎng)學(xué)生自主學(xué)習(xí)和創(chuàng)新能力。)T:Welearnedalotfrom1aaboutMarsjustnow,pleasediscussthefollowingcrazyquestionswithyourpartner.Thenaskandanswerinpairs.AfterthatI’llasktwoorthreegroupstogiveusareport.1.DoesMarshavegoodclimateforplants?2.IsMarsausefulplacetodryfruit?3.IsMarsagoodplaceforhumanbeingstoliveon?4.IsMarsacomfortableplaceforheavypeople?T:Boysandgirls.Haveyoufinishedyourdiscussion?S1andS2,please?S1:S2,mayIaskyousomequestionsaboutMars?S2:OK/Sure.S1:DoesMarshaveagoodclimateforplants?S2:Haha!That’simpossible.S1:Why?S2:BecausethetemperatureonMarsisbetween-140℃and20S1:Oh,Isee.IsMarsausefulplacetodryfruit?S2:No,Idon’tthinkso.S1:IsMarsagoodplaceforhumanbeingstoliveon?S2:No,becauseitistoocoldforpeopletoliveon.S1:Thelastquestion.IsMarsacomfortableplaceforheavypeople?S1:Yes,Ithinkso.(再讓一組同學(xué)討論，教師對這兩組同學(xué)的表現(xiàn)作個比較，并鼓勵贊揚(yáng)。)T:OK.Bothofthetwopairsareexcellent.ButS1andS2didbetterthistime.Congratulations!S3andS4,pleaseworkharder.2.(多媒體展示3a中的立體科幻片的片頭及其簡介。讓學(xué)生們更加了解這些影片。)T:Boysandgirls.Doyoulikewatchingmovies?Ss:Sure.T:OK.Let’slookatthescreen.HereI’dliketorecommendthreefilmstoyou.Thefirstoneiscalled“TheTimeMachine”.Thefilmisbasedonthesciencefictionnovel.Ascientistandinventordecidestoprovethattimetravelispossible.Hewantstochangethepast.Atthebeginningofthislesson,welistenedtothemusic,doyoustillremember?Ss:Yes,themusicsoundsgreat.T:OK,ifyouhaveachancetoseethefilm,youcantakeit.Nextfilmis..Haveyoueverheardofit?S1andS2:Yes.S3:No.T:Thefilmisveryfamous.It’saboutoneofthealiensanda10-year-oldboy.Theybegintocommunicateandstartadifferentkindoffriendship.Manypeopleweremovedbytheirdeepfriendship.Ithinkit’sawonderfulmoviethatyoucan’tmiss.ThelastfilmiscalledSpaceWalk.Thereissomethinginspacethatwedon’tknowabout.SpaceWalkisasciencefictionfilmabouttheyearof2100.That’sallformyintroduction.Pleaseopenyourbooks.Readandunderstand3a.(板書)bebasedon,invent(v.)——inventor(n.)3.(完成3b。)T:Youcandiscussingroupsandlistmor