译林牛津版9B-Unit-4-welcome-to-the-Unit-教学课件--(共33张PPT)

9BUnit4LifeonMarsLearningAims:1.Tolearnthenewwordsandusefulexpressions.2.ToknowsomebasicinformationaboutMars.3.ToimaginewhatlifewouldbelikeonMars.Doyouknowtheplaceinthepicture?It’sEarth,ourhome.Earthiscoveredwithwater,soitlooksblue.By2050,ourearthwillbecome….Somanypeople/crowdedTerribletrafficItwillbecomemoreandmoreand.crowdedpollutedWhatshallwedoWhereshallweliveMaybepeoplewillbeabletotravelinspace（太空）andliveonotherplanets（行星）.DanielisthinkingaboutlivingonMarsThesunisastar(恒星).Theearthisoneoftheplanets(行星)Mars火星nineplanetsthesolarsystemMarsDoyouknowanythingaboutMars?Itlooksred.SoitisalsocalledtheRedPlanet.DoyouknowwhywecallitMars?Thesurface(表面)ofMars•火星（Mars）是太阳系八大行星之一，是太阳系由内往外数的第四颗行星，直径约为地球的一半，自转轴倾角、自转周期均与地球相近，公转一周约为地球公转时间的两倍。橘红色外表是因为地表的赤铁矿（氧化铁）。•火星基本上是沙漠行星，地表沙丘、砾石遍布没有稳定的液态水体。二氧化碳为主的大气既稀薄又寒冷，沙尘悬浮其中，每年常有尘暴发生。•火星有两个天然卫星：火卫一和火卫二，形状不规则，可能是捕获的小行星。•2013年12月公布的探测资料表明，火星上存在已干涸远古湖泊，或有生命出现证据。thesurfaceofMarsathinatmospheregravity,three-eighthsWhatlifewillbelikeonMarsinthefuture?FlytoMarsWhydowechooseMars?ThesurfaceofMarsismoresimilartothesurfaceoftheEarththananyotherplanetinoursolarsystem.MovingtoMarsHowtoflytoMars?spaceship/spacecraftspacecraftspacecraft杨利伟聂海胜费俊龙astronautsWhatdoweneedorhave?Whatdoweneedinspace?CanprovideoxygenairtanktentIt’snotnecessarytotakeatenttosleepinspaceasthereisnorainorwindinspace.putupatentcankeepyouawayfromhungrydriedfoodcanblockoutstrongsunshineandprotectyoureyesspacehelmetcanaddweighttohelpyouwalkmoreeasilyinspacewithlowgravityspecialbootssmallandlightandhaslotsofmemoryspacecanprovideenergycanprovideaplacetosleep,needtofixitonsomethingtopreventitfromfloatingairtankdriedfoodhelmetspecialbootsspecialsleepingbagnotebookcomputerpowerpacktentWhatwillyoutakeifyoucanvisitanotherplanet?Marshelmetairtankdriedfoodpowerpacksleepingbaggravityn.火星n.头盔n.氧气罐n.干粮n.电源包n.睡袋n.重力1.Peopleshouldtake___________withhimbecauseitcankeepyouawayfromhunger.3.ThereisnooxygenonMars.___________arenecessaryforastronauts.4.______________canprovideenergy.5.IfweliveonMars,weshouldwear_____________towalkonthesurface6.Wecanfix__________________tothewallstopreventfloatinginspace.driedfood2.Forastronauts,theyneed_______________tostoreinformation.notebookcomputersAirtanksApowerpackspecialbootsspacesleepingbagsFillinblanksListenandanswerthequestions.2.HowdoesEddielikelifeonMars?1.Wherearethey?TheyareonMars.Why?EddiehatesMars.Becauseofthehelmet,hecan'tgettohisfood.Doyoulikelifeinspace?Andwhy?WhataboutEddie?TheyarealsotalkingaboutlifeonMarstoo.Listen,repeatandthendorole-play.HoboandEddielivedon_____.HoboaskedEddie_______helikedthelifeonMars.Eddiesaidthathe_____it.Hobowas_________,soheaskedwhy.Eddiesaidthathecouldn’t____________hisfoodbecauseofthe________.MarshowhatedsurprisedgettohelmetFillinblanksFillinblanksHoboandEddielivedon_____.HoboaskedEddie_______helikedthelifeonMars.Eddiesaidthathe_____it.Hobowas_________,soheaskedwhy.Eddiesaidthathecouldn’t____________hisfoodbecauseofthe________.MarshowhatedsurprisedgettohelmetTheimportantexpressionsandsentences:•thinkabout思考，考虑•travelintospace到太空旅行•Howdoyoulike….?你认为…怎么样？=Whatdoyouthinkof…?•gettomyfood得到我的食物•hate=dislikehatedoingsth.•Ithought…我原以为……•DoyouprefertoliveonMars?•Why?Mars2.WecanbuildabetterworldonMars.MarsHopefully（但愿）Webelieve1.wewilltravelinspaceoneday!ImaginewhatlifewillbelikeonMarsinthefuture•1Transport6School•2House7Animals•3Freetime8Shopping•4Food9Weather•5MoneyHomework