2019春九年级英语下册 Unit 4 Life on Mars（第1课时）Welcome to t

Unit4LifeonMarsComicstrip&Welcometotheunit译林版牛津初中英语九下Learningaims•1.Gettoknowtheitemsneededinspace.•2.Talkaboutlifeinspecialplaces.•3.Discusstheadvantagesanddisadvantages•oflifeonMars.TravellingBrainstorm•Ourhome•EarthNeighbours•SolarsystemMars•Marsisthefourthplanetfrom•thesun.Marscanbehot,but•sometimesitcanbeverycold.•Althoughthetemperaturecanbe35℃,itcanalsobeaslowas-143℃.Waterisalsoaproblem.Aboutthreebillionyearsago,therewaswateronMars.•However,itisfrozenandhasbecomeicenow.•Travelintospace•Spacehelmet•Specialboots•SpacesuitsListenandcomplete•I’venever______________travellingintospace.•Me________.•Howdoyoulike_____________________?•I________it.•I______youlikeMars.thoughtaboutneitherlifeonMarshatethoughtWhatdoesEddiethinkoflifeonMars?ExciteddisappointedangryReadandanswerRole-playVividlyClearlyCreativelySharingtime•Talkaboutyourowntravellingexperiences.•I’venever…•Meneither.•Howdoyoulike…?Whatshouldhetakewithhim?airtanktentdriedfoodspacehelmetWhatdotheyworkforhim?specialbootscomputerpowerpacksleepingbagWhatdotheyworkforus?Airtank:canprovideoxygenComputer:canbeusedtorecorddailylifeinspaceDriedfood:cankeepawayfromhungerPowerpack:canprovideenergySleepingbag:canprovideaplacetosleep,preventitfromfloatingSpacehelmet:canblockoutstrongsunshineandprotectyoureyesSpecialboots:canaddweighttohelpwalkmoreeasilyinspacewithlowgravityIfwewereonMars,Whatwouldlifebelike?LifeonMarsenvironmentThereis___________onMars.Therewouldbe_________.foodThereisno____________,sowehavetoeat___________.ListenandtakenotesWhatwoulditbeliketoliveonMars?Well,there’slessoxygenonMars.Wewouldneedspacehelmetandairtank.Right,andwewouldneedspecialboots,too.Iagreewithyou.Andwewouldhavetoeatdriedfood.Ithinkdriedfoodisnotquitedelicious.Yes,buttherewouldbenopollutiononMars.Well,that’squitenice.MakeupsimilardialoguesGroupworkDisadvantagesLifeonMarsAdvantagesDiscussion•Anyway,LifeonMarsisnoteasy,•whynotmakeourownplanetbetter?•Pleasemakealistofyouradvice.Homework•1.RecitePartBinWelcometotheunit.•2.MakeaposterofProtectingtheearthingroupoffour.•3.PreviewReadingAinyourworksheet.