PAGEUnit3ComputersPeriod3Readingandcomprehending教學設計I.Teachingcontents：ReadingandcomprehendingII.Teachingaims：1).Tohelpstudentslearntoreadanintroductionaboutcomputer2).Tohelpstudentsbetterunderstand“thecomputerscience”3).TohelpstudentslearntousesomeimportantwordsandexpressionsMainwordsandexpressions.simplifysum;operator;logically;technological;artificial;intelligence;personal;tube;network;web;mobile;rokets;financePracticedifferentreadingskills,suchasskimming,scanning,intensivereading,extensivereading,etc.III.Keypoints&DifficultiesKeypoints:Readingcomprehendingskills.Tolearnthedevelopmentofthecomputer.TeachingDifficultiesReadingcomprehensiontothetext.IV.Teachingprocedure:Step1:Reviewthesimlpedevelopmentofcomputers:abacus→culculator→hugecomputer→PC→laptop→PDA→robotStep2:ScanningAskthestudentstolistentotherecordingofthetextandthenscanthetexttoanswerthefolloingtwoquestions:1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Step3:Skimming:Letthestudentsskimthetextandfindoutthetoicsentencesofeachparagraphs,andcompletethematchingexerciseonPPT8.Para1:OvertimeIhavebeenchangedquitealot.Para2:Thesechangesonlybecamepossibleasmymemoryimproved.Para3:Sincethe1970smanynewapplicationshavebeenfoundforme.Step4:CarefulreadingReadthepassagecarefullyandfindoutthesupportingdetailsforeachparagraphs’topic.(Askstudentsfinishthechartonpage19exercise2,teachergoaroundthemandgivehelpiftheyneed)Readthepassagecarefullyagainfinishthetimetableonpage19.(PPT13—14)Step5:DiscussionNowpleasebrainstormalistofthingsthatyou,yourschoolandyourfamilyusecomputersfor.(About1minutes)2.Pleasehaveadiscussionwithyourgroupmember:whatyouwouldhavetodoifyoucouldnotusecomputersanymore.(Studentsmayhavedifferentopinionsaboutthistopic,letthemdiscussandthensharewiththeirclassmates.)Step6:Homework.1.Finishexercise1onpage56.2.Readthetetagainaftercalssandunderlinethedifficultpoints.3.Writedownyouropinionsaboutthequestioninthediscussion.V.Blackboarddesign.Unit3ComputersReadingandcomprehending1.abacus→culculator→hugecomputer→PC→laptop→PDA→robot2.Para1:OvertimeIhavebeenchangedquitealot.Para2:T