高中英语 Unit 4 Astronomy the science of the stars Reading2课件 新人教版必修3.ppt
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Unit4 thescienceofthestars solarsystem太阳系 Sun Venus Mercury Mars Jupiter Saturn Earth Pluto Neptune Uranus ButscientistsnowthinkPlutoistoosmalltobecalledaplanet Thenamesofeightplanets MercuryVenusEarthMarsJupiterSaturnUranusNeptune 1 水星2 金星3 地球4 火星5 木星6 土星7 天王星8 海王星 Nuwamadehumans Panguseparatestheskyfromtheearth Otherlegendsaboutthebeginningofuniverse ReadingHOWLIFEBEGANONTHEEARTH Skimming What sthemainideaofthepassage Thetextmainlytellsusthe oftheearthandthe oflifeonit formation development Concludethemainideaofeachparagraph 1 Awidely aboutthe oftheuniverse 2 Theformationofthe 3 The ofwaterforlife 4 Thedevelopmentof and ontheearth 5 Thearrivalof andtheir ontheearth theory origin earth importance plants animals humans influence effect Scanning 1 Whatistheoriginalearth satmospheremadeupof 2 Whatisthefundamentaltothedevelopmentoflife andwhy 3 Whichkindoflife beingfirstappearedontheearth plantsoranimals Intensivereading Readthepassagequicklytoanswerthefollowingquestions carbon nitrogen watervapour andothergases 2 whatisfundamentaltothedevelopmentoflife Water Becauseitallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas 1 Whatistheoriginalearth satmospheremadeupof 3 Whichkindoflife beingfirstappearedontheearth plantsoranimals Why Atfirst smallplantsbegantoappearonthesurfaceofthewater andtheyproduceoxygen whichencouragedthelaterdevelopmentofearlyshellfishandallsortsoffish Canyoufillintheblanks 2 3 45 6 78910 1smallplantsinwater shellfishandallsortsoffish insects reptiles amphibians mammals dinosaurs humans plants animals Greenplantsonland forests Letsreviewtheevolutionoflifeontheearth 1 BigBang Howdidtheearthcomeintobeing Wehaveonlyoneearth Wearemakingtheworldbetter Wearemakingtheworldworse A B Discussion developednewmethodsofgrowingfood 1 Whathumansdeveloped developednewmethodsofhunting developednewmethodsofmovingaround 2 Buttheyarenottakingcareoftheearthverywell Whatproblemarehumanscausing puttingcarbondioxideintotheatmosphere theearthmaybecometoohot Let stakepartintheactivitiestosavetheearth Usethefollowingwordsorphrasestohelpyou prevent from harmfulglobalwarmingcarbondioxideinturndependonasaresultatmosphere HomeworkFinishtheexercisesonpage28Writeashortpassageabouthowtheearthcameintobeing- 配套讲稿:
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