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1.理论,学说2.猛烈的3.及时,终于4.不像5.有害的6.下蛋7.存在,生存8.产生,分娩9.轮到某人10.阻止11.谜;使迷惑12.astronomy13.solarsystem14.religion15.BigBang16.atom17.billion18.globe19.global20.carbondioxide21.nitrogen22.vapour23.atmosphere24.unlike25.fundamental26.presence27.dissolve28.acid29.chainreaction30.multiply31.oxygen32.dinosaurs33.mammal34.Thus1.理论,学说2.猛烈的3.及时,终于4.不像5.有害的6.下蛋7.存在,生存8.产生,分娩9.轮到某人10.阻止11.谜;使迷惑12.astronomy13.solarsystem14.religion15.BigBang16.atom17.billion18.globe1.theory2.violent3.intime4.unlike5.harmful6.givebirthto7.layeggs(laidlaid)8.exist9.inone’sturn10.prevent…from11.puzzle12.天文学13.太阳系14.宗教;宗教信仰15.宇宙大爆炸16.原子17.十亿万亿;18.球体;地球仪19.global20.carbondioxide21.nitrogen22.vapour23.atmosphere24.unlike25.fundamental26.presence27.dissolve28.acid29.chainreaction30.multiply31.oxygen32.dinosaurs33.mammal34.Thus全球性的;全世界的二氧化碳氮水蒸气大气层;氛围不像基本的,基础的出席,到场溶解;解散酸连锁反应乘;增加氧气恐龙哺乳动物因此;于是Unit4Astronomy:thescienceofthestarsPre-readingEnjoyamovieandgettheanswer:Whathappenedtotheuniversemanyyearsago?A“BigBang”HowlifebeganontheearthPrediction1)Predictinwhatorderthereadingisorganized.2)Predictwhatthereadingwillbeabout.fireandrock;water;theatmospheretheoriginoflifeontheearththedevelopmentoflifeontheearthTimeorderPara1AtheoryabouthowtheuniversewasformedA“BigBang”ScanningThe“BigBang”threwmatterinalldirections.Afterthat,?atomsbegantoformandcombinetocreatestarsandotherbodies.A______abouthowtheuniversewasformedtheory?ReadPara2andfindoutwhathappenedtoearthindifferenttime:SeveralbillionyearsafterthebigBang--Between4.5and3.8billionyearsago--acloudofdustasolidglobecarbon,nitrogen,watervapourandothergasesatmospherewaterThe__________oftheearthformationIntimeAstheearthcooleddown--ScanningPara3①What’sthesignificance(意义)ofthepresenceofwaterontheearth?Thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.The_________________ofwaterforlife.importance/significance地球上长期有水存在,使地球得以把有害气体和酸性物质溶解在海洋里。ScanningReadPara4manymillionsofyearslaterfirst:next:later:smallplantsinwatershellfishandfishgreenplantsonlandlandanimalsinsectsamphibiansforestsreptilesdinosaursmammalsThe__________ofplantsandanimals.developmentScanningPlantsAnimalsTimePara.5①InsomefilmslikeJurassicPark,manydinosaursandpeoplearetogether.Isitpossible?Why?toomuchcarbondioxide,preventsfrom.Asaresult,toohottoliveon.②Whatproblemiscausedbyhumanbeings?Ithinkitisimpossible.Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.The_________________ofhumansandtheireffectsontheeartharrival/appearanceScanningPuttheorderofdevelopmentoflifeintoatimeline.(P.27Ex.2)1.Insectsandamphibiansappeared2.Dinosaursappeared3.Asolidball4.Smallplantsgrewonthewater5.Reptilesappeared6.Plantsgrewontheland7.Acloudofdust8.Waterappeared9.Shellfishandotherfishappeared10.A“BigBang”11.Cleveranimalsappeared12.Mammalsappeared8.Insectsandamphibiansappeared10.Dinosaursappeared3.Asolidball5.Smallplantsgrewonthewater9.Reptilesappeared7.Plantsgrewontheland2.Acloudofdust4.Waterappeared6.Shellfishandotherfishappeared1.A“BigBang”12.Cleveranimalsappeared11.Mammalsappeared13Imagine:Whatwillhappentotheearthnext?Discussion36-55.CABDBBCADBDBDAACBDDACBADACBCAABBACD76.Somekeystoabetternight’ssleep11.Keepthefaceoftheclockinyourbedroomturnedaway,anddon’tfindoutwhattimeitiswhenyouawakeninthenight.78.sleepinglateonweekends79.Doingexerciseregularlyeverydayatleastsixhoursbeforebedtime80.洗澡可以温暖你,使你放松,并使你感觉到困意
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