必修2unit 3 computers warming up, pre-reading and reading 学案

《必修2unit 3 computers warming up, pre-reading and reading 学案》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、Unit3ComputersWarmingUp,Pre-readingandReading备课人：谢艳艳审定人：高一英语组时间：2012-12-23Teachingaims1.Knowledgeaims(1)Getthestudentstolearntheusefulandexpressionsinthispart.(2)Letstudentstolearnabouthistoryandbasicknowledgeofcomputers.Teachingdifficultandimportantpoints1.Letthestudentslearnmoreabouthistoryandbas

2、icknowledgeofcomputers.2.Getthestudentstolearndifferentreadingskills.Teachingmethods1.Task-basedteachingandlearning2.Cooperativelearning3.DiscussionTeachingproceduresandwaysStep1.WarmingupTask1:Howmuchdoyouknowaboutcomputers?(Makeasurvey)1.WhatdoesITmean?2.Howtospeak科学技术inEnglish?3.WhatdoesPCmean?4

3、.Howtospeak人工智能inEnglish? 5.WhatdoesPDAmean?6.Howtospeak笔记本电脑inEnglish?7.WhatdoesW.W.Wmean?8.Whatcancomputersbeusedtodoinourdailylife?……Task2:Whatisit?Givesomesentencestodescribedifferentkindsofcalculatingobjectsandsomepicturesto第4页共4页helpthestudentstoguesswhatitis?①AnoldcalculatingmachineusedinChi

4、nauntilnow._______________②Itisanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems._______________③Itisbuilttosolvesomemathematicalproblems.Butitistoobig._______________④Itisacomputerwhichcansolveallkindsofproblemsandisusedwidelynow._______________⑤Itisakindofcomputerwhichcanbetak

5、enconveniently(方便)._______________Step2.pre-readingCanyouputtheseinventionsinanorderaccordingtothetimewhentheyappeared?()Analyticalmachine（分析机）()Laptop()Calculatingmachine（计算机器）()Robot／android()PC()Universalmachine（通用机器）Step3.Reading(1)SkimmingTask1..whoisthespeaker?____________Task2.Summarizethege

6、neralideaofthispassage.____________________________________Task3Findoutthetopicsentencesofeachparagraph(P19.Ex2)(2)ScanningTask1.TrueorFalse1.In1642Ibeganasacalculatingmachineandcouldsolveanymathematicalproblem.第4页共4页1.MyrealfatherwasCharlesBabbage,whowroteabookandbuildmein1936.2.AfterIgotmynewtran

7、sistorsinthe1960s,Ibecamesmallerbutclevererandquicker.3.Iwasbroughtintopeople'shomesinthe1970s.4.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.5.AlanTuringbuiltanAnalyticalMachinetosolveanymathematica