湘教版英語九上Unit2Topic1A教案1

Unit2Topic1SectionAThemainactivitiesare1aand3a.本課重點(diǎn)活動(dòng)是1a和3a。Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwords:bee,several,waste,stream,breathe,influence2.Learntheenvironmentinthepastandatpresent.(1)It’sabeautifulplacewithflowersandgrass.(2)Thewaterissodirty.Itsmellsterrible.3.Learnaboutdifferentkindsofpollution:(1)Airpollutionmakespeoplesick.(2)Lightpollutionisharmfultooureyes.(3)Litterinfluencesthelookofourcities.4.Learn“therebesb./sth.doingsth.”structure.Ⅱ.Teachingaids教具錄音機(jī)/多媒體圖片/幻燈片/小黑板Ⅲ.Five-fingerTeachingPlan五指教學(xué)方案Step1Review第一步復(fù)習(xí)(時(shí)間:15分鐘)1.(通過對第一單元的復(fù)習(xí)引出“變化”中的被污染的西山景象，用課本中的圖畫來引出新詞匯。)T: LastUnit,Wehavelearnedsomechangesinourhometown.Whatchangeshavehappenedinyourhometown?S1: Theroadsarewider.S2: Thebuildingsarebrighterandbrighter.S3: Thelivingconditionshaveimproved…S4:…T: Yes.Manychangeshavehappenedinourhometown.Let’slookatthetwopicturesaboutWestHill.T: ArethereanychangesinPicture2?Ss: Yes.T: Let’slookatPicture1.WhatcanyouseeonWestHillinthepast?S5: Icanseesomeflowersandgrass.S6: Icanseeabutterflydancing.S7: Icanseearabbit.S8: Icanseesomehouses.S9: …T: (指著一蜜蜂)What’sit?Ss:“蜜蜂”。T: It’sabee.Andthereisabeeflying.(板書并講解。)thereis/are…doingsth.T:指著小溪)What’sit?Ss:“小河”。T:It’sastream.Andtherearesomefishswimminginthestream.(教師板書并講解stream。)T: WeknewWestHillwasabeautifulplace.LookatPicture2,whathappenedtoWestHill?S10:Therabbitdisappeared.S11:Thefishdied.S12:Thetreedied.S13:Therearenoflowers,butterflies,grassandsoon.S14:Therearesomefactories.T: Yes,thereareseveralfactories.It’snotonlyone.(教師板書并講解several。)T:指著冒的煙和排放的廢物)Theyaremakingmuchsmokeandtheyarepouringwastewaterintothestreams.Sotheyarechemicalfactories.(板書并講解。)chemicalpour…into…T: FromPictures2,weknowthechemicalfactoriesareharmfultotheanimalsandplants.(板書并講解。)beharmfultoStep2Presentation第二步呈現(xiàn)(時(shí)間:8分鐘)1.(要求學(xué)生不看書，只聽錄音，捕捉要點(diǎn)，回答問題，提高聽力水平。)T: Listentothetapecarefully,thenanswerthesequestions.(學(xué)生根據(jù)黑板上所提出的問題，聽錄音1a。)(1)CanyousaysomethingaboutWestHillinthepast？(2)WhatdidtheyseeontheWestHilltwodayslater?2.(找學(xué)生回答并核對答案。)Step3Consolidation第三步鞏固(時(shí)間:8分鐘)1.(播放錄音1a，讓學(xué)生跟讀，注意語音和語調(diào)。)T:Listentothetapeandreadafterit.Imitatethepronunciationandintonationcarefully.2.(齊讀對話，以保證全體學(xué)生參與活動(dòng)。)T:Nowlet’sreadtogether.Go!3.(分角色朗讀。教師讀括號內(nèi)的說明文字。)T:Let’sactoutthedialog.S1actJane,S2actMaria…4.(小組討論。學(xué)生完成1b內(nèi)容，老師抽查答案。)Askseveralstudentstoreadouttheanswersandmakesuretheiranswersarecorrect.5.(要求學(xué)生根據(jù)提示詞，用第三人稱復(fù)述對話。)T:Trytousethekeywordsin1btoretell1a.ExampleA:Inthepast,WestHillwasabeautifulplacewithflowersandgrass.Wecouldseebeesandbutterfliesflying.Thewaterwasverycleanandwecouldseefishswimming.Butnow,alltheflowers,grass,bees,butterfliesandfishhavegone.Why?Becausethereareseveralchemicalfactoriespouringwastewaterintothestreams.Soweshouldprotecttheenvironment.Step4Practice第四步練習(xí)(時(shí)間:10分鐘)1.(播放錄音2，讓學(xué)生聽后完成2。)T:Weknow,withoutplantsandanimals,WestHillisn’tbeautiful.Soplantsandanimalsare important.Let’slookatthelovelyanimalsinthepicturesin2.Listentothetapeandwrite downtherightorderofthepictures.(若學(xué)生沒聽懂，可再放一遍，和學(xué)生核對答案。)2.(教師指著鼻子做呼吸困難狀。)T:Theairisterrible.It’shardformetobreathe.(板書并講解breathe。)T:Thefactorybehindourschoolisveryharmful.Ithascausedairpollution.(教師用土壤污染圖片引出“soil”生詞。)T:Lookatthepicture.It’sapictureofsoilpollution.(讓學(xué)生看圖片，完成3a。)Let’slookatthepicturesin3a,matchthemwiththephrasesgiven.(教師與學(xué)生核對答案。)T:Let’slookatthepicturesagain.Whatproblemswilltheycause?(學(xué)生兩人一小組討論。)T:It’sapictureofairpollution.Whatproblemswillitcause?Group1:Itwillcausebreathingproblems.Group2:Itmakespeoplesick.(教師把引起的問題板書在圖片的旁邊/下面。)breathingproblemsmakepeoplesick(用類似的方法討論其他幾種污染的問題，教師板書關(guān)鍵詞。)(板書在圖片下面)animalsplantsdiepeoplecan’tdrink…3.(讓學(xué)生完成3b。)T:Pleaseusethephrasesin3atocomplete3bbyyourselves.(教師與學(xué)生核對答案。在此過程中讓學(xué)生猜出生詞“influence”在句中的意思。)4.(讓學(xué)生讀3b的句子，加深理解各種污染的危害。)T:Pleasereadthesentencesin3b.Step5Project第五步綜合探究活動(dòng)(時(shí)間:4分鐘)1.Guessinggames.(教師讓一學(xué)生到前臺(tái)，從所提供的有關(guān)污染的圖片中任取一張“正面”面向全體學(xué)生，背面面向自己。臺(tái)下學(xué)生描述圖片上的內(nèi)容或引起的污染問題，讓臺(tái)上的學(xué)生猜出該種污染的名稱。)T:Everyoneofyoucandescribethepicture.Andthestudentinthefrontoftheclassroomtriestotelluswhatkindofpollutionitis.ExampleA:S1:(任意抽取一張圖片)S2:It’sproducedinafactory.S3:Itsmellsterrible.S4:It’sharmfultoourlungs.S5:It’sblacksmoke.S1:Airpollution.…2.Homework:Makeasurvey.(調(diào)查你們家附近的環(huán)境狀況，并填寫表格，以增強(qiáng)學(xué)生的環(huán)境意識。)T:Nowmakeasurveytostudysomethingaroundyourhome,fillintheforms.PollutionReasonsCauseproblemsAirpollutionSoilpollutionWaterpollutionLightpollutionNoisepollutionLitter板書設(shè)計(jì)：Pollutioncausestoomanyproblems.SectionAgoforapicnic therebesb./sth.doingsth.mygoodness pour…into…airpollution have/hasgone…soilpollution beharmfulto…waterpollution Thegovernmenthasdonesomething.lightpollution usefultostopitnoisepollution breathingproblemsSectionBThemainactivitiesare1aand3.本課重點(diǎn)活動(dòng)是1a和3。Ⅰ.Teachingaimsanddemands教學(xué)目標(biāo)1.Learnsomenewwords:weak,produce,chest,army,secretary,fisherman,dead2.Learnthepresentperfecttensewithfor/since:—Howlonghaveyoubeenlikethis?—Ihavebeenlikethissincelastmonth.—XiaoLihasbeeninthearmyfor1year.—Hissecretaryhaskeptthisbooksinceseveraldaysago.—Mypetrabbithasbeendeadfor2days.3.Learnsomeexpressionsaboutexpressingcomplaint:(1)It’sdifficultformetobreathe.(2)Thebadairmakesmychesthurt.(3)Ican’tsleepwellatnight.(4)I’malwaysinabadmood.(5)Ican’tstandtheenvironmenthere.Ⅱ.Teachingaids教具多媒體圖片/幻燈片/自畫的圖片/錄音機(jī)/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.(檢查上節(jié)課的作業(yè)，讓學(xué)生匯報(bào)調(diào)查的結(jié)果。然后利用過去式介紹自己來校執(zhí)教時(shí)間，引出現(xiàn)在完成時(shí)與時(shí)間連用的句式。)T:Youknow,Iamateacher.WhendidIcometoourschool?Doyouknow?Ss:No.T:Icametoourschool7yearsago.HowlonghaveItaughtinourschool?Ss:(教師作“7”的手勢引導(dǎo)學(xué)生回答。)Sevenyears.(板書)—HowlonghaveItaughtinourschool?—For7years./Since7yearsago.T:Yes.Ihavetaughtinourschoolforsevenyears.Thatistosay,Ihavetaughtinourschoolsince7yearsago.Whendidyoucometoourschool?Ss:Twoyearsago.T:Howlonghaveyoubeenatourschool?S1:For2years/Ihavebeenatourschoolfor2years.T:Thatistosay,…S2:Ihavebeenatourschoolsince2yearsago.T:Verygood!(轉(zhuǎn)向其他學(xué)生)T:HowlonghaveyoubeenastudentofGrade9?S3:Foramonth.(教師鼓勵(lì)另一種說法。)T:Thatistosay,…S4:Sinceamonthago.T:HowlonghaveyoubeenaYoungPioneer?S5:IhavebeenaYoungPioneerfor8years.S6:For8years/Since8yearsago.(板書并講解)—Howlonghaveyoubeen…?—For8/7years/Since8/7yearsago.for+一段時(shí)間since+時(shí)間點(diǎn)sinceamonthago=sincelastmonth(讓學(xué)生觀察并引導(dǎo)他們總結(jié)出：“howlong”對時(shí)間段提問。它的答語是“for+時(shí)間段或since+時(shí)間點(diǎn)”。)2.(教師用上一課的1a引出新的詞匯，既練習(xí)了新的語法句型又引出了新的詞匯。)T:PleaselookatSectionAandread1aagain.Findtheanswertothequestion:WhendidthechildrenreachWestHill?Ss:Twodayslater.T:You’reright.Theyplannedtogoforapicnic,andtwodayslater,whenthechildrenreachedWestHill,couldtheyhaveapicnicthere?Ss:No.T:Why?Ss:Theflowers,grass,rabbits,beesandfishhavegone.Thechemicalfactoriesarepouringwastewaterintothestreams.T:(指著排放的濃煙)Andwhatisthefactorymaking?Ss:It’smakingsmoke.T:Yes,it’sproducingsmoke.It’sproducingterriblegas.(教師做捂鼻皺眉狀。)It’sdifficulttobreathe.T:Sotheterriblegascanmakepeople’schesthurt(教師做捂胸皺眉狀。)(板書并講解)produceterriblegas,chestT:Whatotherproblemswillitcause?S1:Itwillmakelotsofnoise.S2:Maybepeoplecan’tsleepwell.T:Yes,sopeoplemaybeinabadmood.Doyouliketoliveintheplaceliketoday’sWestHill?Ss:No.T:PerhapsthepeoplelivingonWestHilldon’twanttolivethere.Theymustwanttomanagetoleavethere.Why?Theycan’tstandtheenvironmentthere.(板書)managetodosth.=succeedindoingsth.can’tstandtheenvironmentT:Pollutioncausestoomanyproblems.Weshoulddosomethingtostopit.Step2Presentation第二步呈現(xiàn)(時(shí)間:5分鐘)1.(教師通過掛圖呈現(xiàn)1a的內(nèi)容。)T:Lookatthepicture.Whoaretheyinthepicture?Ss:TheyareKangkangandgranny.T:Whatotherthingscanyousee?S1:Icanseesomedeadfish.S2:Thebirdinthetreehasdied.S3:Somechemicalfactoriesareproducingterriblegas.S4:Factoriesarepouringwastewaterintotheriver.T:Soitcauseswaterpollutionandairpollution.LookatKangkangandgranny,whataretheytalkingabout?Listentothetapefirst,andthenanswerthisquestion.(教師放1a錄音，學(xué)生聽后回答問題。)T:Pleaseanswerthequestion.Haveyoufoundouttheanswer?Ss:Yes,theyaretalkingaboutpollution.T:OK,listentothetapeagainandfinishthequestionsin1b.(教師再次放錄音，讓學(xué)生搶答1b的問題。教師板書重要語言點(diǎn)。)(在學(xué)生回答第三個(gè)問題時(shí)。)T:“Shehasbeenlikethissincelastmonth.”,howtosaythissentenceinanotherway,S4?S4:Shehasbeenlikethisforonemonth.Step3Consolidation第三步鞏固(時(shí)間:11分鐘)1.(教師再放1a錄音，學(xué)生朗讀并注意語音語調(diào)。)T:Readafterthetape.Payattentiontothepronunciationandintonation.2.(學(xué)生分四組齊讀課文，看哪一組讀得最整齊、準(zhǔn)確，給他們組畫一個(gè)紅旗。)T:Whichgroupisthewinner?Ss:Group1/Group2…3.(教師要求學(xué)生借助圖片和1b的答案，復(fù)述這篇對話。)(1)T:Lookatthepictureandthekeywordsontheblackboard.Nowlet’sretellthepassagetogether.(從整體再到部分，學(xué)生不會(huì)掉隊(duì)。)(2)T:Whocanretellthepassage?(指定一些學(xué)生分別復(fù)述，檢查效果。)4.(學(xué)生兩人一小組討論2中的問題，編對話，教師必要時(shí)給予幫助。)(教師補(bǔ)充一些問題并用小黑板出示。)Doyouliveinacity/town/village?Doyoulikeyourcity/town/village?Arethereanychemicalfactoriesinyourcity/town/village?Iftherearesomechemicalfactories,aretheynearyourschool?Iftherearen’tanychemicalfactories,pleasedescribetheenvironmentofyourschool.Whatwasyourcity/town/village/schoollikeafewyearsago?Forexample:S1:Doyouliveinacity?S2:Yes.S1:Doyoulikeyourcity?S2:Inthepast,Ilikedmycity.ButnowIdon’tlikeit.S1:Why?S2:Becausetherearesomechemicalfactories.Theyhavepollutedourcity.S1:Aretheynearyourschool?S2:Yes,it’sbehindourschool.S1:Whatwasyourcitylikeafewyearsago?S2:Itwasabeautifulcity.Theairwasfresh.Andthewaterwasclean.Therewerebeautifulflowersandgrassaroundthebuildings.Andwecouldhearbirdssinginginthetreesinthemorning.S1:Wow!Pollutionissoharmfultoyourcity.Sodoours.Weshouldprotectourcity.S2:Yes,It’sourdutytoprotectourenvironment.Step4Practice第四步練習(xí)(時(shí)間:12分鐘)1.(問S2。)T:Howlonghavethefactoriespollutedyourcity?S2:Sinceafewyearsago/Forafewyears.(教師畫出類似數(shù)軸的圖。)(板書)afewyearspresentPastpollutepolluteT:Youmeanpeoplehavepollutedyourcity,likethis?S2:Yes.(教師出示一張圖片，問S2。)fishermanT:What’sthemandoing?S2:He’sfishing.T:Yes.He’safisherman.ThefishermanboughttheVCDyesterday.HowlonghashehadtheVCD?(板書句子并在had下加下畫線引起學(xué)生注意。)S2:HehasboughttheVCDsinceyesterday.(糾正并解釋終止性動(dòng)詞不能與for和since連用。)T:No,weshouldsaylikethis:HehashadtheVCDsinceyesterday.(板書)ThefishermanhashadtheVCDsinceyesterday.boughttheVCDPastyesterdaytodayT:Whatdoesshedo?S2:“秘書”。T:Yes.She’sasecretary.(板書并講解secretary。)T:Sheborrowedthisbookseveraldaysago.Howlonghasshekeptthebook?(教師板書句子指著kept引導(dǎo)學(xué)生回答。)S2:Shehaskeptthebookforseveraldays/sinceseveraldaysago.T:(指著一名戰(zhàn)士的圖片。)Nowheisasoldier.Hejoinedthearmylastyear.(板書并講解)jointhearmyT:Howlonghashebeeninthearmy?(板書)Howlonghashebeeninthearmy?(教師指著beenin引導(dǎo)學(xué)生回答。)Ss:Hehasbeeninthearmysincelastyear./foroneyear.(讓學(xué)生觀察、分析板書的例句與教師共同總結(jié)規(guī)則。句中有for+時(shí)間段/since+時(shí)間點(diǎn)。howlong的謂語動(dòng)詞需用延續(xù)性動(dòng)詞，所以我們要把短暫性的謂語動(dòng)詞變成延續(xù)性的謂語動(dòng)詞。)3.(1)(板書)l