高一英语 book2 unit3 computers学案 人教新目标

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1、Book2Unit3Computers编写：孙学莲审核:张传国编写时间:2012.12.10使用时间：2012.12.11主任：教师寄语:Knowledgeispower.Learningaims:1.Tolearnthehistoryofthecomputer.2.Togetawholeunderstandingofthereading.3.Togetagoodknowledgeofthelonganddifficultsentencesinthereading.WhoamI?StepI.Lead-inStepII.Fastr

2、eadingLookthroughthetextquicklyandanswerthefollowingquestions.1.whoisthespeaker?2.What’sthemainideaofthepassage?It’stheofcomputers.StepIII.Carefulreading1.Readthepassageagainandfindthetopicsentenceofeachparagraph.Paragraph1:Paragraph2:Paragraph3:2.Whichsentencecanber

3、eplacedinthepassagebythefollowing?Later,IbecomesocleverthatIcanremembereverythingyoutoldme.Summary(atopicsentence)1.(what)2.(where)StepIV.Readandgraspthesewordsquickly.1.universaladj.宇宙的2.calculatevt.计算3.analyticaladj.分析的4.simplifyvt.简化5.technologicaladj.科技的6.revolut

4、ionn.革命7.artificialadj.人造的8.intelligencen.智力9.mathematicaladj.数学的10.transistorn.晶体11.totallyadv.完全地12.applicationn.应用13.financen.金融、经济14.explorev.探索15.anyhowadv.探测StepV.DetailedreadingReadthepassageagainandfillinthetable.1642  1822TheAnalyticalMachinewasmadebyCharles

5、Babbage.1936 1940s Thefirstfamilyofcomputerswasconnectedbyanetwork.1970s now StepVI.Importantsentences1.OvertimeIhavebeenchangedquitealot现在完成时的被动形式：2.Astimewentby,Iwasmadesmaller.Astimewentby=With3.AndmymemorybecamesolargethatIcouldn’tbelieveit!so++that….so+many(few,

6、much,little)+n.+thatsuch++that….[完成句子]Tom很诚实从来不说谎.Tomis______________boythathenevertellsalie.Tomis______________boythathenevertellsalie.StepVII.Discussion1.(Brainstorm)Doyouknowinwhatwayscomputersareusedtoday?(Workoutalistandcompareitwithyourpartner.)2.Whatwillthecom

7、puterbelikeinthefuture?Designyourowncomputeranddescribeitinthefollowingways:①Whatdoesitlooklike?②Whatmaterialsisitmadeof?③Whatcanitdoforyou?StepVIII．Retellthewholepaasage.Fillintheblanksaccordingtowhatwehavelearned.Ibeganasa____________in1642inFrance.In1822Iwasbuilta

8、san___________.Thenin1936AlanTuringwroteabookandbuilta____________.Astime_________,Iwasmade____.Thesechangesbecamepossibleasmy_____