unit3whatwereyoudoingwhentheufoarriveTeachinggoals:1.Words:barbershop,well,bathroom,accident,earth,silence,playground,around,strange,kitchen,modern,follow,shirt.2.when,while引导的时间状语从句。3.学习过去进行时态。4.利用知识谈论过去发生的事情。5.复习过去式,学会讲故事。6.了解一些自然科学知识和社会科学知识。Importantanddifficultpoints:1.when,while引导的时间状语从句。2.学习过去进行时态。Teachingaids:atape-recorder,cards.Period5Teachingprocedures:Step1Leadingin1.Greetingsandfree-talk.2.Checkthehomework.Step2Pre-taskSBPage24,Groupwork.1.ArrangetheSsinsmallgroups.Askthemtolookatthepicturesandtalkabouttheevents.Encouragestudentstosayhowhistoricaleventsaffectedtheirlives.2.TelltheSstohelpeachotherwithvocabularytheymightneedanddon’tknow.Step3While-task1.Readingstrategy:Thetitlecanbehelpfulforyoutounderstandatext.Itisalsoagoodideatoreadthefirstsentenceofeachparagraphbeforereading.2.Readthetitle,whichgivesanindicationofthecontentofthereading.Thinkofonequestiontheythinkmightbeansweredinthereading.3.Playtherecording,Sslisten.4.AskSstoreadthestoryouttotheclass.5.AskSstocommentonwhethertheirquestionsinthepreviewingstagewereanswered.Step4Post-taskSBPage25,3a.Readthefoureventsandmatchthemtothecorrectdates.Whenfinished,askSstoswaptheirbookwithapartnerforcorrection.Homework:Writeaboutaneventthatyourememberwell.Givedatesandsaywhyyourememberit,andwhatyouweredoingatthetimewhenyouheardthenews.教学后记: