高中英语Unit3 computer reading 课件人教新课标必修2.ppt

underlinethecorrectoptiontoformcompoundwords example searcha engineb motorc disk searchengine whatdoyouknowaboutcomputer forexample canyounamesomepartsofcomputer keyboard mouse modem m udem scanner printer speaker cd dvd rom只读存储器 monitor lcdmonitor cpu中央处理器 harddisc硬盘 chips 主板 motherboard floppydisc usbflashdisc cd dvd vcd mp3player howdoesitchange earliestcomputer analyticalmachine nowadayscomputer whoami fastreading 1 whoami whowasthefirstpersontomaketheearliestcomputer a alanturingb charlesbabbagec charlesturing 3 whenwasthe universalmachine built a in1822b in1642c 1936 computer b c mainidea thisisashorthistoryofthe ofcomputers development topicsentences para1overtimeihavebeenchangedquitealot para2thesechangesonlybecamepossibleasmymemoryimproved para3sincethe1970smanynewapplicationshavebeenfoundforme changesinsize 1 earlier 2 inthepast 3 modern notverybig huge smallerandthinner apc analyticalmachine calculatingmachine laptop universalmachine robot 1 2 3 4 5 6 changesinfounction changesintime thecomputerbeganasacalculatingmachine 1822 alanturingwroteabooktodescribehowcomputerscouldbemadetoworkandbuilta universalmachine 1960s computersconnectpeopleallovertheworldtogether manynewapplicationshavebeenfound tasklistening ibeganasa machinein1642infrance in1822iwasbuiltasan machine thenin1936alanturingwroteabookandbuilta machine astheyearshave ihavebeenmade thereweretimeswhenmysize changed andmymemorybecame large icouldn tbelieveit inthe1960stheygavemeafamily byanetwork iwasableto withothersthroughtheworldwideweb sincethe1970smanynewapplications forme calculating analytical universal goneby smaller totally that connected havebeenfound sharemyknowledge so listentothetapeandfillintheblanks whatdoyouthinkisthetoneofthewriting exposition itiswritteninthefirstperson computer i nternet s earch k eyboard c lick e mail b log bg illates e pal letusrelax whatcanyouusecomputerstodo computerandinternet typemyhomework drawpictures playgames communicatewithmyfriends gatherinformationformylessons listentomusic watchmovies howdoyouusecomputersandtheinternet yes no ioftenuseacomputerto isometimesuseitto andineveruseitto somethingtothinkabout withthedevelopmentofcomputertechnology theinternethadbecomemoreandmorepopularamongstudents however justasasayinggoes acoinhastwosides theinternetbringsbothadvantagesanddisadvantagestostudents workwithyourpartnerstolistsomeadvantagesanddisadvantagesoftheinternet advantages disadvantages advantagescommunicatewithfriends allovertheworld listentothemusicseefilms watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings disadvantagessomepeopleespeciallytheteenagersabandon 沉迷于 themselvestothecomputergamesandchattingontheinternet asaresult theyhavelittletimetostudy somepeopleus