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Unit4WordsandExpressionsMarshelmetairtankdriedfoodpowerpacksleepingbaggravityn.火星n.头盔n.氧气罐n.干粮n.电源包n.睡袋n.重力EddieandHoboarealsotalkingaboutlifeonMars.Listentotheirdialogue.Listenandanswerthequestions.2.HowdoesEddielikelifeonMars?1.Wherearethey?TheyareonMars.Why?EddiehatesMars.Becauseofthehelmet,hecan'tgettohisfood.1111SolarSystemWhereisMars?MarsDoyouknowanythingaboutMars?Whatdoesitlooklike?Itlooksred.SoitisalsocalledtheRedPlanet.火星：太阳系八大行星之一，按离太阳由近而远的次序计为第四颗，比地球小，公转周期约687天，自转周期约24小时37分。公转周期：约687天自转周期：24小时37分22秒行星直径：6794千米质量：6.4191e20吨It’smoreliketheEarththantheotherplanetsinsolarsystem.What’sthelifelikeonMars?pillsonMarsonEarthfoodpollutionnopollutiononMarsonEarthWhat’sthelifelikeonMars?breathingoxygenWemustwearspacehelmetstogooutside.onMarsonEarthWhat’sthelifelikeonMars?Doyouknowwhatthefollowingthingsare?TheyarenecessarywhenweliveonMars.airtankdriedfoodpowerpackspacehelmetspecialbootscomputersleepingbagtentReadtheconversationandanswerthequestions.1.WhydoweneedtowearspecialbootsonMars?2.WhatelsedoweneedtoliveonMars?3.WhydowehavetoeatdriedfoodonMars?4.IsthereanypollutiononMars?1.Becausethere’slessgravityonMars.2.Wemightneedsleepingbagtoo.3.Becausethereisnofruitorvegetables.4.Wedon’tknow.AmyhopesthatthereisnopollutiononMars.gravity[U](force):theforcethatattractsobjectstowardsoneanother,especiallytheforcethatmakesthingsfalltotheground1.Ican’tgettomyfood.我吃不到我的食物了。getto到达；开始；接触到WhattimedoesthistraingettoNewYork?这列火车什么时候到达纽约?HowcanIgettoHiltonHotel?我要如何才能到达希尔顿饭店?2.We’dprobablyneedtowearspecialboots.我们可能需要穿特殊的靴子。wear穿着，戴着；面露；留着（胡须等）Whenwedrovethroughthegates,sheworealookofamazement.我们驶过大门时，她流露出惊讶的神情。Shewearsverylittlemakeup.她基本上不化妆。Whenshe'sworkingshewearsherhairinaponytail.Role-play1.Roleplayingroups;2.RoleplayinfrontoftheclassWe’llseewhichgroupdoesthebest.Forexample:WhatwoulditbeliketoliveonMars?Well,there’slessoxygenonMars.Wewouldneedspacehelmetandairtank.Right,andwewouldneedspecialboots,too.Iagreewithyou.Andwewouldhavetoeatdriedfood.Ithinkdriedfoodisnotquitedelicious.Yes,buttherewouldbenopollutiononMars.Well,that’squitenice.WhatwoulditbeliketoliveonMars.Workinpairsanddiscusswithyourpartner.Usetheconversationonpage51asamodel.Homework1.Learnthenewwordsandexpressionsbyheart.2.Previewthearticle:MovingtoMars