高中英语必修三第四单元阅读课课件人教版新

1.复习单词（温故而知新）2.阅读课文(理解生命发展过程），掌握阅读技巧(中心归纳题，细节考查题，排序题，回答问题等。)3.情感教育（学会做人、学会学习、学会合作、学会生存）3.练习作业（巩固提高）本课学习目标Para.1Para.2Para.3Para.4Para.5A________abouthowtheuniversewasformedThe__________oftheearthTheimportanceof______forlifeThe_______________ofplantsandanimalsThearrivalof_________andtheireffectsontheearththeoryformationwaterdevelopmenthumansHowlifebeganontheearthBeforelifeappeared.Differentlivesdeveloped.第二段落:Notetaking:keywords•①acloudofdust•②asolidglobe•③fireandrock•④carbon,nitrogen,watervapourandothergases•⑤atmosphere•⑥water1.2.3.4.5.6.smallplantsOnsurfaceofwaterEarlyshellfishandallsortsoffishgreenplantsonlandlandanimalsinsects(onland)amphibian(onlandandinwater)Mammals---cleveranimalsforestsreptiles(hugeanimal--dinosaurs)第四五段落发展过程:Accordingtothepictures,haveatrytoretellthedevelopmentoflife.Supposeyouweretheearth,whatwouldyouadvisehumanstodo?Writealettertothehumanbeing.讨论思考任务三：总结与巩固：•Retelltheevolutionoflifeontheearth,usingthefollowingchart.（利用下图复述地球生命的演化）Afterthe“BigBang”,theearthbeingjustacloudofenergeticdust.thearrivalofsmallplantsinthewatergreenplantsbeginningtoappearonlandSmallcleveranimalsappearingandspreadingallovertheearth