Unit3_Computers_教案

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1、Unit3ComputersPeriod1&2,WarmingUp,Pre-reading,andReadingTeachingaims1.Knowledgeaims(1)Getthestudentstolearntheusefulandexpressionsinthispart.(2)Letstudentstolearnabouthistoryandbasicknowledgeofcomputers.1.AbilityaimsDevelopstudents'readingabilitiesandletthe

2、mlearndifferentreadingskills.3.Emotionaims:Arousestudents'greatinterestinlearningcomputersandletthemlearntousethecomputersintheirdailylives.Teachingdifficultandimportantpoints1.Letthestudentslearnmoreabouthistoryandbasicknowledgeofcomputers.2.Getthestudents

3、tolearndifferentreadingskills.Teachingmethods1.Task-basedteachingandlearning2.Cooperativelearning3.DiscussionTeachingproceduresandwaysStep1.WarmingupTask1:Howmuchdoyouknowaboutcomputers?(Makeasurvey)1.WhatdoesITmean?Informationtechnology2.Howtospeak科学技术inEn

4、glish?Scienceandtechnology3.WhatdoesPCmean?Personalcomputer 4.Howtospeak人工智能inEnglish?Artificialintelligence 5.WhatdoesPDAmean? Personaldigitalassistant6.Howtospeak笔记本电脑inEnglish?Notebookcomputer/laptop 7.WhatdoesW.W.Wmean?Worldwideweb8.Whatcancomputersbeus

5、edtodoinourdailylife?……Task2:Whatisit?Givesomesentencestodescribedifferentkindsofcalculatingobjectsandsomepicturestohelpthestudentstoguesswhatitis?①AnoldcalculatingmachineusedinChinauntilnow.Anabacus②Itisanewcalculatingmachinewhichcansolvealargenumberofmath

6、ematicalproblems.Acalculator③Itisbuilttosolvesomemathematicalproblems.Butitistoobig.Ahugecomputer④Itisacomputerwhichcansolveallkindsofproblemsandisusedwidelynow.APC/desktop⑤Itisakindofcomputerwhichcanbetakenconveniently(方便).Alaptop/notebookcomputerStep2.pre

7、-readingCanyouputtheseinventionsinanorderaccordingtothetimewhentheyappeared?()Analyticalmachine（分析机）()Laptop()Calculatingmachine（计算机器）()Robot／android()PC()Universalmachine（通用机器）Step3.Reading(1)SkimmingTask1.Findoutthetopicsentencesofeachparagraph(P19.Ex2)Ta

8、sk2.Summarizethegeneralideaofthispassage.(2)ScanningTask1.TrueorFalse1.In1642Ibeganasacalculatingmachineandcouldsolveanymathematicalproblem.(F:solveanycalculatingproblem)2.MyrealfatherwasCharlesBabbage