人教版高中英语必修2《unit3computersreading》教学设计

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1、Unit3ComputersReading教学设计教学目标Inthisclass,youaresupposedto...1.learnthedevelopmentofcomputer2.masterthereadingskillsofexposition（说明文）writing,suchasskimming,scanningandgettingthemainideaofthepassage3.describethecomputerinthefuture课前预习案Usefulphrases1.calculatingmachine2.simplify3.analytica

2、lmachine4.cardwithholes5.technologicalrevolution6.artificialintelligence7.universalmachine&transistor9.memorylO.network11.WorldWideWeb课中探究案Period1Fast-readingTasklReadingforimportantinformation1.Lookthroughthepassagetofindoutwhothespeakeris.2.Whichtype/styledoesthetextbelongto?A.Descrip

3、tion（描写）B.Narration（叙述）C.Exposition（说明）D.Argumentation（议论）Task2.Findthetopicsentenceofeachparagraphandunderlinethem.Para1Para2Para3Findthekeywordsineachtopicsentenceandsummarizethemainidea.ThemainideaofthepassageisTips:Atopicsentenceisusuallythesentenceorthesentenceofaparagraph.Atopicse

4、ntencesummarizes（总结）themainideaofaparagraph.Period2Detail-readingTaskl.Readthewholetext,andfinishthe3mindmaps.（细读全文完成三张思维导图）Task2.ExplorationQuestion：Howdoesthearticledevelop?C.bytimeD.byexampleA.bycomparison（对比）B.byspacePeriod3PracticeTaskl.ListeningandspeakingListentothetapeandcomplet

5、etheshortpassage(根据听力材料，完成木文缩写短篇)Overtime,Ihavebeenchangedquitealot.IbeganasacalculatingmachineinFrance.Andittooknearly200yearsbeforeI(build)asananalyticalmachine.AfterIwasprogrammedbyanoperator,Icould“think".Bythe1940s,Ihadgrownaroom.Astimewentby,Iwasmadesmaller.Thesechangesonlybecamep

6、ossibleasmymemory.FirstitwasstoredinTubes,thenontransistorsandlateronverysmall•Intheearly1960s,IwasabletosharemyknowledgeothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications(find)forme.Anyhow,mygoalistoprovidehumanswithalifeof.Task2.Mini-writing科普知识与现代技术——电脑1.近来，高智商的机器人出现了。(ari

7、se)2.有些可以打字、发信号。(type；signal)3.有些能处理一些重要事情。(dealwith)4.在某种程度上说，电脑改变了我们的生活。(inaway)5.许多学生对电脑如此着迷以至于在电脑上花费了太多的时间。(sothat)6.部分学生在考试中失败。7.但不管怎么说电脑在我们的FI常生活中起很重要的作用o(anyhow)【连句成篇】可选用非限制性定语从句，however,asaresult等将以上句了连成一篇短文Period4ConclusionWhathaveyoulearnedfromthisclass?1.Weshouldnotf