Reading:HOWLIFEBEGANONTHEEARTHTeachingPlanI.Teachingaims:1.Knowledgeaim：Toteachthestudentssomenewwordsandexpressionsabouttheoriginoftheearthandlife.2.Abilityaim：Toimprovethestudents'abilitiesofobtainingandhandlinginformationbyreadinginEnglish.3.Emotionalaim：Toteachthestudentstoloveandprotectourearth.II.Importantanddifficultpoints：1.Importantpoint：Toimprovethestudents'abilitiesofobtainingandhandlinginformationbyreadinginEnglish.2.Difficultpoint:Howtoimprovethestudents'abilitiesofobtainingandhandlinginformationbyreadinginEnglish.III.Teachingapproach:task-basedteachingapproach;inquiryteachingmethod;etc.IV.Teachingprocedures:StepI.Leadin:LeadinthetopicbyaskingthestudentstodescribetheMTV(EarthSong)theywatchedbeforeclass.Tostarthetopicandarousethestudents'interest.StepII.Warming-upWarmupbyaquizgameofknowledgeoftheearth.Togetthestudentstoknowsomeknowledgeoftheearthand功能鍵：課堂互動功能。學生搶答，激發學生學習興趣StepIII.Pre-readingLeadthestudentstolearnthenewwordsandphrasesbyshowingthempictures.Togetthestudentsfamiliarwithnewwordsandphraseswhichwillappearinthereadingmaterial.StepIV.While-reading1.SkimmingThestudentsskimthetextandmatchthemainideaswiththeparagraphs.Totrainthestudentstogetthemainideabyskimming.2.ScanningThestudentsscanthetextandgeneralize:1.)Howdidtheearthform?2.)Howdidlifebegananddevelopontheearth.Tomakethestudentspracticescanningwithpurposefordetailedinformation,usingsomereadingstrategies.3.CarefulreadingThestudentsreadthetextcarefullyandputtheorderofdevelopmentoflifeintoatimeline.Toencouragethestudentstopracticereadingforkeyinformation.批注功能：教師直接可在白板上批注、講解。使講解更加形象直觀。StepV.Post-reading1.Discussion:(Groupwork)Thestudentsdiscussingroupstolistthecausesofglobalwarming.2.SpeechMakeaspeechonwhatweshoulddofortheearth.Toencouragethestudentstoresearchandarousethestudents'awarenessofenvironmentprotection.拍照功能：選取典型小組成果進行拍照講解，讓所有學生參與課堂。StepVI.SummaryTheteachersummarizesthelesson.StepVII.HomeworkDevelopthespeechintoapassageonwhatweshoulddofortheearthToarousethestudents'awarenessofenvironmentprotectionanddeveloptheirabilityofwriting.SupplementaryExercisesinclassI.Skimthetextandmatchthemainideaswiththeparagraphs:Para1.A.ThearrivalofhumansandtheireffectontheearthPara2.B.AwidelyacceptedtheoryabouttheformationoftheuniversePara3.C.ThedevelopmentofplantsandanimalsontheearthPara4.D.Theformationoftheearth.Para5.E.Theimportanceofwaterforlife.KEYS:1-B2-D3-E4-C5-AII.Readthetextandputtheorderofdevelopmentoflifeintoatimeline.1.Insectsandamphibiansappeared.2.Dinosaursappeared.3.Theearthbecameasoilball.4.Smallplantsgrewonthewater.5.Reptilesappeared.6.Plantsbegantogrowonthedryland.7.Theearthwasacloudofdust.8.Waterappearedontheearth.9.Shellfishandotherfi