Unit4_Astronomy_the_science_of_the_stars-reading

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1、Astronomy:thescienceofthestarsWheredowecomefrom?Orwecansay:Whoareourancestors?Pre-readingBigBangAsolidballAtmosphereTheearthItwasfullofwater.Originalcells.Thecellsinthewaterbegantoseparate.waterPlantsinthewaterShellfishandfishPlantsonlandInsectsandamphibiansReptilesDinosaursMammalsManhadevol

2、vedfromapes.Doyouknoweachreligionorculturehasitsownideasaboutthebeginningoftheuniverse?PanguseparatestheskyfromtheearthOtherlegendsaboutthebeginningofuniverseDay1:GodspokeandseparatedlightfromdarknesscreatingDayandNightDay2:GodspokeandseparatedthewatercreatingskyandoceanDay3:Godspokeandcreat

3、eddryland上帝创世说：Day4:Godspokeandcreatedthesun,moonandstarsDay5:GodspokeandcreatedlivingcreaturesintheairandseaDay6:GodspokeandcreatedthelandanimalsandmanDay7:GodrestedandblessedthisdaycallingitHolyIndiaBrahma(婆罗门)isthegodfirstrepresentedintheHinduTriad.Heisthecreatoroftheuniverseandalllivingb

4、eingsaresaidtohaveevolvedfromhim.Whatisthepassageabout?ReadingIt’saboutthedevelopmentoftheearth.Whatwasthereontheearthbeforelifecouldbegin?2.Whydoscientiststhinktherehasneverbeenlifeonthemoon?3.Whydidanimalsfirstappearintheseas?4.Whydidgreenplantshelplifetodevelop?5.Whyweremammalsdifferentfr

5、omotheranimals?Fastreading1.Whatwasthereontheearthbeforelifecouldbegin?Watervapour,carbondioxide,oxygen,nitrogenandothergases.2.Whydoscientiststhinktherehasneverbeenlifeonthemoon?Becausethereisnowateronthemoon.3.Whydidanimalsfirstappearintheseas?Becausewaterallowedtheearthtodissolveharmfulga

6、sesintotheoceansandseas.4.Whydidgreenplantshelplifetodevelop?Becausegreenplantscantakecarbondioxidefromtheatmosphereandfilltheairwithoxygen.5.Whyweremammalsdifferentfromotheranimals?Theyweredifferentbecausetheyproducedtheiryoungfromwithintheirbodies.Carefulreading1.Howdidwatercomeintobeingon

7、theearth?2.What’sthesignificanceofthepresenceofwaterontheearth?Theexplosionoftheearthproducedwatervapor,whichturnedintowaterwhentheearthcooleddown.Itallowedtheearthtodissolveharmfulgasesintooceansandseas.1whywastheearthdifferentfromotherplanets?AI