人教版高中英语必修二教案：Unit 3 Computers Period 3 Reading and comprehending.doc

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1、Unit3ComputersPeriod3Readingandcomprehending教学设计I.Teachingcontents：ReadingandcomprehendingII.Teachingaims：1).Tohelpstudentslearntoreadanintroductionaboutcomputer2).Tohelpstudentsbetterunderstand“thecomputerscience”3).Tohelpstudentslearntousesomeimportan

2、twordsandexpressions4）Mainwordsandexpressions.simplifysum;operator;logically;technological;artificial;intelligence;personal;tube;network;web;mobile;rokets;finance5）Practicedifferentreadingskills,suchasskimming,scanning,intensivereading,extensivereading,

3、etc.III.Keypoints&DifficultiesKeypoints:1.Readingcomprehendingskills.2.Tolearnthedevelopmentofthecomputer.TeachingDifficultiesReadingcomprehensiontothetext.IV.Teachingprocedure:Step1:Reviewthesimlpedevelopmentofcomputers:abacus→culculator→hugecomputer→P

4、C→laptop→PDA→robotStep2:ScanningAskthestudentstolistentotherecordingofthetextandthenscanthetexttoanswerthefolloingtwoquestions:1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.

5、Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Step3:Skimming:Letthestudentsskimthetextandfindoutthetoicsentencesofeachparagraphs,andcompletethematchingexerciseonPPT8.Para1:OvertimeIhavebeenchangedquitealot.Para2:Thesechangesonlybecamepos

6、sibleasmymemoryimproved.Para3:Sincethe1970smanynewapplicationshavebeenfoundforme.Step4:Carefulreading1.Readthepassagecarefullyandfindoutthesupportingdetailsforeachparagraphs’topic.(Askstudentsfinishthechartonpage19exercise2,teachergoaroundthemandgivehel

7、piftheyneed)2.Readthepassagecarefullyagainfinishthetimetableonpage19.(PPT13—14)Step5:Discussion1.Nowpleasebrainstormalistofthingsthatyou,yourschoolandyourfamilyusecomputersfor.(About1minutes)2.Pleasehaveadiscussionwithyourgroupmember:whatyouwouldhavetod

8、oifyoucouldnotusecomputersanymore.(Studentsmayhavedifferentopinionsaboutthistopic,letthemdiscussandthensharewiththeirclassmates.)Step6:Homework.1.Finishexercise1onpage56.2.Readthetetagainaftercalssandunderlinethedifficultpoints.3