高中英语 Book2 Unit 3 第三单元 reading：who am I课件 新人教版必修2.ppt

5 4 3 2 1 whatarethey welcometomyclass first let splayagame hugecomputer pc personalcomputer laptop notebookcomputer pda personaldigitalassistant robot similarity they recomputersindifferentstages what snext i robot intelligentrobot whoami unit3computers reading unit3computers reading justhaveafastreading findouttopicsentencesofeachparagraph overtimeihavechangedquitealot thesechangesonlybecamepossibleasmymemoryimproved sincethe1970smanynewapplicationshavebeenfoundforme let shaveamoredetailedreading readpara 1in2minsandfindoutthedevelopmenthistotyofcomputers i llgiveyousomeclues acalculatingmachine in1642 ananalyticalmachine in1822 charlesbabbage auniversalmachine in1936 alanturing ahugecomputer aslargeasaroom in1940s apersonalcomputerandalaptop andusedinofficesandhomessincethe1970s acalculatingmachine in1642 帕斯卡计算器是由布莱斯 帕斯卡 blaisepascal 发明的 帕斯卡计算器可以把一长串数字相加 在他的计算器中有一些互相联锁的齿轮 一个转过十位的齿轮会使另一个齿轮转过一位 人们可以像拨电话号码盘那样 把数字拨进去 计算结果就会出现在另一个窗口中 ananalyticalmachine in1822 分析机是由英国数学家查尔斯 巴贝奇设计的一种机械式通用计算机 它的设计逻辑却非常的先进 是大约100年后电子通用计算机的先驱 a universalmachine in1936 notarealmachine butjustamathematicalmodel ahugecomputer aslargeasaroom inthe1940s eniac para 2 technicalwords memory storageorstoragecapacityasofacomputer disk etc chip transistor tube network theworldwideweb para 2 readitbyyourselvesin1minanduseanotherminutetoputforwardaquestionforyourclassmates showtime raiseyourquestionandwinonescoreforyourgroup andofcourseyoucanalsowinonescoreforyourgroupbyansweringquestions oneperson onechance showtime well done thesechangesonlybecamepossibleasmymemoryimproved tubestransistorssmallchipsnetworkworldwideweb moreandmorepowerful para 3 findsomesupportingdetailsforthetopicsentence 1minute sincethe1970smanynewapplicationshavebeenfoundforme sincethe1970smanynewapplicationshavebeenfoundforme communicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsexploringthemoonandmars anyhow mygoalistoprovidehumanswithalifeofgoodquality name computerborn time place myrealfather mysize 1 inthepast 2 modern myhistory 1 1642 machine2 1822 machine3 1936 machine4 1940s 5 1970s and mymemory myapplications whoami 1642 france alanturing huge smallerandsmaller analytical calculating universal laptop pc tubes transistors chips communication finance robot mobilephone spacerocket medicaloperation trade hugecomputer writingskills personification 拟人 narrativeperspective first personnarrative 叙述角度 第一人称角度 chronologicalorder 时间顺序 mainideasandsupportingdetails 主旨 支撑细节 howdoweusecomputersindailylife communication entertainment information workandjob commerce financeonline communication chattingsendinge mailsexpressingideasonlinemakingnewfriends entertainment playinggameswatchingmovieslisteningtomusic information readingnewssearchingforusefulinformation suchaspriceinformation jobinformationandsoonaskingquestionsandseekingforhelp commerce financeonline shoppingonlinetransferringaccountspayingallkindsofbills suchaswater electricityfees cellphonefeesandsoonspeculatinginstocksonline workandjob