LifeonMars单元全课时课件10份9BU1reading.ppt

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1、Unit1ReadingLifeonanotherplanetIt’sbecomingmoreandmoreWhat’slifelikeontheearth?crowded（拥挤的）polluted（被污染的）(怀着希望地),wecanbuildabetterworldonanotherplanet.HopefullyMarsisnearesttousinthesolarsystem.MaybemovingtoMarsisagoodchoice.HowcanwegotoMars?spacecraftspaceshuttlesHowcanwelivethere?Specialplants

2、thatwillproducefoodwateroxygen(氧气)Whocanhelpusdomanythings?robotsWewillfloatbecauseofgravity(重力).settlers移居者AfterwemovetoMars,wewillbecalledspecialbootsvariousdesignsCheckthemeaningtothewords:(P6A)1.planet2.spacecraft3.develop4.gravity5.settlers6.robots7.pillsa.smallroundpiecesofmedicineb.apower

3、thatkeepsusfromfloatingintheairc.avehicledesignedfortravelinspaced.growandimprovee.peoplewhogotoliveinanewplacef.alargebodyinspacethatmovesaroundastar,e.g.,thesung.machinesthatcandotasksunderthecontrolofcomputers.fcdbegaReadthepassagequicklytofindouttheanswer:WilllifeonMarsbebetterthanlifeonEart

4、h?skimming1.WhydoweneedtomovetoMars?2.WhencanweliveonMars?Becausetheearthisbecomingmoreandmorecrowdedandpolluted.Bytheyear2100.paragraph1scanningReadparagraph2-4Whatwilllifebelike?transportfood,water,airgravityTransport:atpresentHowdowegetthere?Howlongdoesittake?2100Howwillwegetthere?Howlongwill

5、ittake?Whatwilllifebelike?readparagraph2HowcanwegettotheMars?(2)In_________and____________T________shouldbemuchbetter.ransportAtpresent,ourspacecraftaretoos____toc____largenumbersofpeople.By2100,thespaceshuttlescantravelath___thespeedofl_____.lowarryalfightspacecraftspaceshuttlesfood,water,air:W

6、hatwillscientistsdevelop?Whatwilltheplantsproduce?Willtheplantsproduceenoughwater?Whatwilllifebelike?readparagraph3Gravity:Whyisitabigproblem?Whyisitverydangerous?Topreventthis,whatshouldpeopledo?Whatwilllifebelike?Readparagraph4Howwillthebootsbecome?Whatwillthelifebelike?(3,4)Food,waterandairGr

7、avityH_____needfood,waterandairtosurvive.S_______shouldd________plantsthatcangrowonMars.TheplantswillP_______thefoodandoxygen.1.ThegravityonMarsonlyaboutthreee______(3/8)ofthegravityonEarth.2.Wecouldjumpe______andf__________