导学案Unit3Computers

1、Unit3Computers导学案ReadingByJinLidanStep1.EnjoyavideoEnjoyavideoaboutthedanceofrobots.Step2.Playagame1. WhatisthefullnameofPC?2. WhatisIT?3. WhatisW.W.W?4. Ariddle（谜语）ItwasborninChina.Manypeopleuseditforcalculatinginthepast.Ithasawoodenframe（框架）withbeads.5. WhatisPDA?6. Ariddle（谜语）Itisamachinethatwork

2、sautomatically.Itcandoalotoftasksbutdoesn'tfeeltired,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.Step3.Learningtips阅读FGG原则：FindGuessGet找到猜到得到1. Findthetopicsentence.找中心句）2. Guessthemeaningofthewords.（1）Accordingtotherootoftheword根据词根猜词义（2）Accordingtothecontext根据上下

3、文猜测词义把握文章细节与基调，阅读理解胜利在握！Step4:Skimming1. What'sthemainideaofthispassage_?A. ThedevelopmentofcomputersB. ThedevelopmentanduseofcomputersC. Amachinewhichissimple-mindedD. Computersmayreplacehumanbeings2. Whatisthewritingorderofthispassage?A. functionB.SizeC.time3. Matchthemainideasandtheparagraphs

4、.Para1:Thesechangesonlybecamepossibleasmymemoryimproved.Para2:Sincethe1970smanynewapplicationshavebeenfoundforme.Para3:OvertimeIhavebeenchangedquitealot.Step5.ScanningI. Readparagraph1(1)Fillintheblanks.DevelopmentEarlydaysNameFunctionpoorstrongAmachineSimplifydifficultsumsAnThinklogicallyandproduce

5、ananswerquicklymachineASolvedifficultmathematicalproblemmachine(2)Whenwasthecomputerthebiggest?A.In1642.B.In1936.C.Inthe1940s.D.Inthe1970s.2. Readparagraph2(1) Whydidthecomputertotallychangeitsshape?A. Becausethecomputercoulddomanythings.B. Becausethecomputercouldsimplifysums.C. Becauseitsmemoryimpr

6、oved.D. Becausethecomputerneverforgotanything.(2) Whenwerethecomputersconnectedtooneanother?A.Intheearly1960s.B.Inthe1970s.C.Inthe1940s.D.Intheyearof1936.3. Readparagraph3.Accordingtothelastparagraph,whichwerenotmentionedintheuseofthecomputer?A.MobilephonesB.RocketsC.BikesD.RobotsStep6.ExerciseSumma

7、ryofthetext.Ibeganasacalculatingmachinein1642.WhenIwasyoung,Iwasgoodat(simplify)difficultsums.Ittooknearly2hundredyearsbeforeIcouldthink(logical)andproduce(quick)answersthananyperson.Atthattime,Iwascalleda(technology)revolution.In1936,I(build)asauniversalmachine.Fromthenon,Igrew(rapid)bothinsizeandb

8、rainpower.Inthe1960s,Ihaveafamily(connect)byanetwork.Fromthenon,IwasabletosharemyknowledgeothersthroughtheWWW.Afterthat,Ihadmanynew(application).Now,Iama(devote)friendofthehumanrace.Step7Competitionandcompositio(选做)1. Competition:Whataretheadvantagesanddisadvantagesofcomputers?Whogivemoreexampleswil

9、lbethewinner!2. Composition基础写作随着时间的推移，电脑已经成为现代化生活的一部分。我们可以利用网络申请工作，收发信息，买卖商品等。从某种意义上说，网络改变了我们传统的生活方式。但是，网络的使用中也出现了很多问题。家长应该以某种方式阻止孩子玩儿网络游戏，以防孩子上瘾。不管怎样，它的优点还是多于不足。我认为，只有我们正确利用好网络这个工具，我们的生活才能越来越好。Astimegoesby(随着时间流逝)，peoplenowhaveeasyaccesstotheInternetwhichplaysanincreasinglyimporantroleinourdailyli

10、fe.Inaway(在某种程度上)，ithaschangedourtraditionallifestyle,becausewecandoanumberofthingsontheInternetnow,suchas(例如)applyingforjobs,sendingandgettinginformationaswellas(和)sellingandbuyingitems.However(然而)，problemsalsoarisewhenweusetheInternet.Parentsshouldkeeptheirchildrenfromplayingcomputergamessomehow(不管以什么方式)becausetheyarelikelytobeaddictedtoit.Anyway,theadvantagesoftheInt