英语人教版九年级全册The mooncakes are lelicious.ppt

Unit4Astronomy thescienceofthestars Reading Readparagraph1 andanswerthefollowingquestions 1 Howdidwatercomeintobeingontheearth 2 Whatisthesignificanceofthepresenceofwaterontheearth Theexplosionoftheearthproducedwatervapour whichturnedintowaterwhentheearthcooleddown Itallowedtheearthtodissolveharmfulgasesintooceansandseas Reading II skimming 3m 自主学习 Puttheorderofdevelopmentoflifeintoatimeline insectsandamphibiansappearasolidballreptilesappearacloudofdustshellfishandotherfishappeardinosaursappearsmallplantsgrowonthewaterplantsbegintogrowondrylandpresenceofwatermammals includinghumans appear D B I G E H A C F J 反馈练习 Stage1 Thedevelopmentoftheearth 1 AftertheBigBang whatwastheearthlike acloudofdust asolidglobe 合作探究 explodedwithfireandrock producedwatervapourandgases 2 Whathappenednext 合作探究 Waterappeared 4 Whatappearedastheearthcooleddown waterisimportantforthebeginningoflifeontheearth 合作探究 Whyiswatersoimportantforthebeginningoflife Becausewaterallowedtheearthtodissolveharmfulgasesandacidsintooceansandseas 合作探究 Stage2Thedevelopmentoflife smallplantsappearsinwater 1 Whatlifedevelopedafterwaterappeared 自主学习 Shellfishandallsortsoffish 2 Whatlifedevelopedinwaternext 自主学习 greenplantsbegantogrowonland insectsappeared 3 Whataboutthelifeonland 自主学习 amphibiansonlandandinthewater forests 4 Whatlifedevelopednextonland 自主学习 reptilesappeared dinosaurdeveloped 5 Whatlifedevelopedafterforestsappeared 自主学习 mammalsonland 6 Whatlifedevelopedafterdinosaurs 自主学习 smallcleveranimals 7 Whatlifedevelopedaftermammals 自主学习 Whataretheydoingontheearth 合作探究 Becausetheyareputtingtoomuchcarbondioxideintotheatmosphere whichpreventsheatfromescapingfromtheearthintospace Theearthmaybecometoohottoliveon 1 Insectsandamphibiansappeared 3 Theearthbecameasolidball 5 Reptilesappeared 7 Theearthwasacloudofdust9 Shellfishandotherfishappeared 11 Cleveranimalswithhandsandfeetappeared 2 Dinosaursappeared 4 Smallplantsgrewonthewater 6 Plantsbegantogrowondryland 8 Waterappearedontheearth10 Theuniversebeganwitha BigBand 12 Mammalsappeared 8 3 10 9 11 5 1 7 4 12 6 2 Canyouputtheorderofdevelopmentoflifeintoatimeline 直击高考 Ex 2onP27 7 Concludethemainideaofeachparagraph 1 Awidely aboutthe oftheuniverse 2 Theformationofthe 3 The ofwaterforlife 4 Thedevelopmentof and ontheearth 5 Thearrivalof andtheir ontheearth Thetextmainlytellsusthe oftheearthandthe oflifeonit 8 ThemainideaofReading1 Ex 1onP27 theory origin earth importance plants animals humans influence effect formation development 直击高考 Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve Whatotherpuzzlesarehiddeninthepassage Discussion Ex 5onP27 Howdoestheuniverse earth form Whydidtheearthcooldown Whydidwaterdisappe