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Unit4readingPanguseparatestheskyfromtheearthTheGoddessNuwamendedtheheavenandcreatedhumanbeingsfromtheclay(粘土).GodcreatedtheworldinsevendaysWhathaveyouseenfromthevideo?listentothetapeandmatchthemainideaofeachparagraphStage1:Thedevelopmentoftheearthexplodedwithfireandrock(3)Whatdidthewatervapourandgasesform?WaterappearedWhyiswatersoimportantforthebeginningoflife?Becausewaterallowedtheearthtodissolveharmfulgasesintooceansandseas.Stage2ThedevelopmentoflifesmallplantsappearsinwaterShellfishandallsortsoffishgreenplantsbegantogrowonlandamphibiansonlandandinthewaterreptilesappearedmammalsonlandsmallcleveranimalsBecausetheyareputtingtoomuchcarbondioxideintotheatmospherewhichpreventsheatfromescapingfromtheearthintospace.Canyoufillintheblanks?1.Insectsandamphibiansappeared.3.Theearthbecameasolidball.5.Reptilesappeared.7.Theearthwasacloudofdust9.Shellfishandotherfishappeared.11.CleveranimalswithhandsandfeetappearedGroupwork:describethevideosummary____________inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedthelivesof______________.Slowlygreenplantsgrewonlandwhichwerefollowedby__________likeinsects&________.Whentheplantsgrewinto____________appeared.Then_______developedbutdisappearedlaterwhichmadetheriseofatotallydifferentanimal______possibleandfinally_____spreadallovertheworld.1.Finishtheexercise1and2onpage632.Readthetextagainandfindoutyourdifficultpoints.1.Howwastheearthdifferentfromtheotherplanets?2.Whatmadeitpossibleforlifetobegintodevelop?3.Whatarethedifferencesbetweenreptilesandmammals?4.Howdiddinosaursdisappear?