初一牛津教案(第2单元)

1Chapter2ofJunior7B.ProtectingourenvironmentLessonPlanTeachingaimsanddemands:1.Languageknowledgea.newwordsandexpressionsb.Throughreadingthetext,knowabouttreesc.Learntocompleteaposterd.Learnthepresentcontinuoustensetotalkaboutthingshappeningnowandthefuture.2.Abilitiesfocus:a.fast-readingformainideab.guessingthemeaningsofnewwordsfromthecontextc.learntowriteanewspaperreport3.Communicationfunction:a.Learntointerviewsb.aboutatopic.b.Askthestudentstosaysomethingaboutfightingagainstpollution.Mainanddifficultpoints:1.Ssshouldbeabletodescribetheusesoftrees.2.Ssareexpectedtowriteaposteroranewspaperreportabouttreesorhowtofightagainstpollution.3.Ssareexpectedtoimprovetheirreadingandspeakingabilities.Teachingaids:PPTandtaperecorderPeriodsneeded:10Teachingprocedures:Period1-3(Reading):PollutionfightersPeriod1.Step1Warming-upandlead-in1.Freetalk:Doyouthinkthatwehaveabeautifulworldnow?(ppt4-10)2.Knowsomethingabouttrees.“Howmuchdoyouknowabouttrees?”Asksomestudentstotalkaboutit.Possibleanswers:a.Treesmakestreetsmorebeautiful.b.Treesmakestreetslessnoisy.c.Treesmakeourairpurer.d.Treesmakeouraircooler.e.Treesmakeoxygentokeepusaliveandhealthy.f.Treesproduceusefulthingslikefruitandpaper.g.Treeshelpusfightpollution.2“Aretreesimportanttous?Whatcanwegetfromtrees?”Alsoasksomestudentstotalkaboutit.Use--pencils,chopsticks,tables,chairs,paperEat--fruit,nutsDrink--tea(leaves),coffee(beans)Wear--flowers,shoes(rubber)3.Lookatthepictureofthecartoonshowninppt.Letthestudentsunderstandthehumor.Step2Pre-readingA.Whatdoyouknowabout…?(ppt16-19)1.Howlongdotheylive?Matchtheitemsontheleftwiththeagesontheright.•Amicei75years•Bpinetreesii14years•Ccatsiii25years•Ddolphinsiv1200ears•Epeoplev2years2.Pollutionmeanstheprocessofmakingthingsdirtyandunhealthy.Whichtypeofpollutiondotreeshelpfight?A:airpollutionB:waterpollutionC:noisepollutionD:alloftheabove3.Whichofthefollowingcomefromtrees?A:applesB:beansC:cottonD:oilE:teaF:rubber4.Thebest-knownflowersinShenzhenareazaleas.Thesesweet-smellingflowersareknownastheflowersofShenzhencity.Whichpictureshowsazaleas?B.LookandthinkLookatthetitle,theintroductionandthepictures.ThensaywhetherthefollowingstatementsareT(True)orF(False).F1.The“pollutionfighters”areprobablyscientists.F2.Fewusefulthingscomefromtrees.F3.Treesgiveoutharmfulgases.T4.Treescanpassinformationtooneanother.Step3While-readinga.Listentothetapeaboutthewholepassage.Anddealwithsomevocabulary.1.against(prep.)disagreeing;opposingPetertookpartinacampaignagainstsmoking.2.beinterestedin:takeaninterestinMaryisinterestedincollectingcoins.3.breathe(v.):takeinairAllanimalsneedtobreathetolive.4.burn(v.):damagesth.byfireHeburnttheletterafterreadingit.5.chemical(n.):somethingproducedbyorusedinchemistry3Thefarmersusedchemicalstokilltheinsects.6.collect(v.):bringthingstogetherTomcollectedsomeinformationforhishomework.7.communicatewith:giveandreceiveinformation,messages,signals,etc.Inthepast,peoplewouldoftencommunicatewitheachotherusingletters.8.cool(v.):makesomethingbecomecoolIputsomeiceintotheglasstocoolthewaterinside.9.cutdown:cutsomethingtomakeitfalldownTheycutdownthetreestobuildawoodencottage.10.destroy(v.):damagesomethingsobadlythatitnolongerexistsorworksHiscarwasdestroyedinacarcrash.11.end(n.):thepartofsomethingthatisfurtherawayfromitscentreTurnleftattheendofthecorridor.12.indanger:inadangeroussituationManyanimalsareindangerbecausehuntersarekillingthemordestroyingtheirhomes.13.interview(v.):talkwithsomeoneandaskhimorherquestionsaboutsomething.Bobinterviewedthewriterabouthisnewnovel.14.join(v.):connectthingstogetherTheChannelTunneljoinsFranceandtheUK.15.natural(adj.):existinginnatureSomedesertcountrieshavefewnaturalresources.16.project(n.):apieceofworkthatinvolvesacarefulstudyofaparticularsubjectIttookmetwomonthstofinishthatscienceproject.17.warn(v.):saythatsomethingbadordangerousmayhappenItriedtowarnhimtokeepawayfromthatdog,buthewouldnotlisten.b.askstudentstoreviewthenewwordsexplainedjustnow.Thendosomeexercisestoconsolidatethem.AskstudentstodothevocabularyExercisesC1andC2.Guessingwordmeaningsfromthecontext.a.ExplaintheinstructionsinPartC.b.SsworkinpairstofinishC1&C2.Step4SummarizeStep5Homework1.Recitethenewwordsandexpressions(frompollutiontoinsect)andpreparefortomorrow’sdictation.2.Prepareforthereadingpassage.4Period2Step1Reviewa.DictationDictatethenewwordsandexpressions(15newwordsandexpressions)b.Fillintheblankswithnewwordswelearn1.Abigfire_____downthehouseyesterday.2.Treescanfightair_______.Theyare_____airconditioners.3.Peoplecutdownand_____largeamountsofforestseveryyear.4.Treescan_____theirneighboursabout_______attacks.5.Wedon’tknowhowtrees_____withoneanother.6.Insummer,treescan_____usfromthehotsun.Completeeachsentencewiththeproperformofthewordsinthebox.pollutiondestroydangerproductnature1.Noisealso________ourenvironment.2.Peopleare__________forestsbecausetheyareloggingtoomanytrees.3.Itis__________todrivesofast.4.Wildanimalslivehappilyinthe________environment.5.Thiskindofmaterialcan_________poisonous(有害的)chemicals.Step2Goonwithwhile-reading1.LeadSstoreadthewhole