廣東省中山市高中英語 Unit 4 Astronomy the science of the stars How did life begin on the earth課件 新人教版必修3.ppt_第1頁
廣東省中山市高中英語 Unit 4 Astronomy the science of the stars How did life begin on the earth課件 新人教版必修3.ppt_第2頁
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welcometomyclass readingandspeaking m3u4howlifebeganontheearth thesolarsystem 1111 onwhichplanetaretherelivesatpresent earth howdidlifebeginontheearth guessingwords pleaseguessthewordsorexpressionsaccordingtothepictures bigbang forests smallplants dinasors amphibians landplants mammals asolidglobe cleveranimalswithhandsandfeet fish insects shellfish afterwatchingit pleaseworkinpairstonumberthepicturesonthehandoutaccordingtotheordertheyappearinthevideo 1 bigbang forests smallplants water dinosaurs insectsandamphibians landplants mammals asolidglobe cleveranimalswithhandsandfeet acloudofdust shellfishandfish 1 afterwatchingit pleasenumberthepicturesonthehandoutaccordingtotheordertheyappearinthevideo 1 bigbang forests smallplants water dinosaurs insectsandamphibians landplants mammals asolidglobe cleveranimalswithhandsandfeet acloudofdust shellfishandfish 1 12 11 10 9 8 7 6 5 4 3 2 goals tounderstandbetterthetheoryabouttheoriginoftheuniverseandthedevelopmentoflifeontheearth the bigbang theory todub 給 配音 thevideoonthedevelopmentoflifeontheearth task1 what sthewritingstyleofthetext a narrative記敘文b explanation說明文c essay散文 111111111111111111111111111 pleasetakeaquicklookatthetext anddothetwotasks skimming task2 howdoyoudividethetextintotwoparts theformationoftheearth thedevelopmentoflife para1 2 3 para4 5 readpart1andmakechoices 1 whatformedtheearth satmosphere a carbondioxide oxygen b carbondioxide oxygen poisonousgas c watervapour carbondioxide oxygen nitrogen d watervapour carbondioxide oxygen nitrogenandothergases 2 whywastheearthdifferentfromotherplants a itproducedalotofheat b waterremainedonthesurfaceoftheearth c waterdisappeared d itwastheoldestplanets scanning readpart2andmakechoices 3 whywasitnecessaryforplantstogrowbeforeanimals a animalsneedplantstoprotectthemformthesun b plantsprovidedoxygenforanimalstobreathe c animalscouldhidefromhuntersinforests d itwaseasierforplantstogrow 4 whatproblemiscausedbyhumanbeings a theyexisteverywhereontheplants b theycauseglobalwarmingc theyfindnewmethodsofgrowingcrops d theyenjoyhuntingandfishing workingroupstopresentdubbing task1 usethesentencesinthetexttodescribethesnapshotsfromthevideowewatchedatthebeginningtask2 workingroupstoputasoundtrackintothevideo dubbing post reading groupwork describedthevideo 1 bigbang 9 forests 5 smallplants 4 water 9 dinosaurs 8 insectsandamphibians 7 landplants 10 mammals 3 asolidglobe 11 cleveranimalswithhandsandfeet 2 acloudofdust 6 shellfishandfish 1 surftheinternetanddoaresearchonthestoriesathomeandabroadabouthowlifebeganontheear

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