高中英语Unit3computers课件新人教版必修2

Ⅰ1.算术题，总数,金额n._______________2.(电脑)操作员,接线员n._______________3.人造的,假的adj._______________4.n._______________5.侄女,n._______________6.目标,n._______________7.无论如何,adv._______________8.n._______________9.类型,n.&v._______________10.n._______________11.网络,n._______________12.n._______________sumoperatorartificialabacusniecegoalanyhowvirustypecoachnetworkrevolutionLet’sgooversomewordsandphrasesⅡ.1.v.）_____________n.）_____________n.）_____________2.v.）_____________；n.）_____________adj.）_____________3.n.）_____________；智能的,adj.）______________4.私人的,adj.）_____________；亲自地；adv.）_____________5.运用,申请（v.）_____________；运用,申请（n.）_____________n.）_____________calculatecalculatorcalculationsimplifysimplificationsimplifiedintelligenceintelligentpersonalpersonallyapplyapplicationapplicant6.金融,财经（n.）_____________；金融的,财经的（adj.）_____________7.逻辑,思维方式（n.）_____________；合逻辑的（adj.）____________；合逻辑地（adv.）_____________；不合逻辑的（adj.）_____________8.出现（v.）_____________；出现,外貌（n.）_____________；消失（v.）_____________9.探索,探究（v.）_____________；探索,探究（n.）_____________；探索的,探究的（adj.）_____________exploratoryfinancefinanciallogiclogicallogicallyillogicalappearappearancedisappearexploreexplorationⅢ．1.在某种程度上_______________2.依……看；据……认为_______________3.从……时候起_______________4.结果_______________5.处理；安排；对付_______________6.如此…一致_______________7.毕竟_______________8.看守,监视_______________9.在……帮助下_______________inawayinone，sopinionfrom...onasaresultdealwithSo…thatafterallwatchoverwiththehelpofDoyouthinkthecomputerreallyhelpstoyourstudy?Why?•Ithinkthat…•Inmyopinion…•Ibelievethat…•Iagreebecause…•Idisagreebecause…Givinganopinion:Makegooduseofitbutnevergettrappedbyit.ConclusionThereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.Atoy?Ahandbag?Riddles(谜语):Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语):Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorRiddles(谜语):Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?Riddles(谜语):abacushugecomputerPCcalculatorlaptopPDAWhat’snext?Whatdotheytellyouaboutthedevelopmentofcomputers?robotHomework:•1.dosomeprevisiononthereading•2.Ex1,2onPage19AhugecomputerAPCPalmtopHowmuchdoyouknowaboutacomputer???GivetheEnglishnameofthefollowingpicturesofthecomputercomponents(组件)WhatisitinEnglish??Mainboard(主板)WhatisitinEnglish??CPU(centralprocessingUnit)中央处理器WhatisitinEnglish??harddiscWhatisitinEnglish??Keyboard(键盘)WhatisitinEnglish??monitorscreenWhatisitinEnglish??mouse鼠标DVDROMLookattheseinventions.Canyouputtheminanorderaccordingtothetimewhentheyappeared?Afterreadingthepassage,checktoseeifyouwereright.()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachine123456TIPSSomewordsontheInternet:netizen网民Netsurf网络漫游computervirus计算机病毒cyber计算机的，网络的browse浏览cyberspace网络空间scroll滚动显屏accesscharge接入费cursor光标BBS公告板服务hacker黑客chatroom聊天室click点击cyberbar网吧Task3Lookatthetimelinebelow.FillintheblankswithInformationformthereadingabove.1642:___________________________________________:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:__________________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:______________________________________________Now:_____________________________________________Thecomputerbeganasacalculatingmachine.1822AlanTuringwroteabooktodescribehowcomputerscouldbemade.1960sComputerswerebroughtintopeople’shomes.Computersconnectpeopleallovertheworldtogether.Paragraph1Paragraph2Paragraph3TopicsentenceSupport-ingdetailscalculatingmachinetubescommunicationsfinanceanalyticalmachineuniversalmachinePClaptoptransistorschipsnetworkWorldWideWebtraderobotsmobilephonesmedicaloperationsspacerobotsOvertimeIhavebeenchangedquitealot.Thesechangesonly…asmymemoryimproved.Sincethe1970smanynewapplications…forme.Completethechartbelow2abacushugecomputerPCcalculatorlaptopPDAWhat’snext?Whatdotheytellyouaboutthedevelopmentofcomputers?robotHomework1.预习unit3的ANDY---THEANDROID2.复习第一二单元.Computerscanbeusedas…..typewriterprojectorvideogameplayerdrawingboard☻Ithinkthat…☻Inmyopinion,…☻Ibelievethat…☻Iagreebecause…☻Idisagreebecause…GivinganopinionReasoningDiscussion:Isitveryimportanttolearncomputerskillsforus?Whyorwhynot?DiscussionIsitveryimportanttolearncomputerskillsforus?Whyorwhynot?Usethefollowingexpressioninyourdiscussion.Ithinkthat……Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?Youaregivenachancetodesignacomputerforyourself.Drawapictureaboutitanddescribe(描述)whatfunctionsithas.Youwillbeaskedtointroduce(介绍)yourcomputer.(appearance&functions)