山东省临朐县实验中学高一英语 Book2 Unit3 Computers课件 人教新目标.ppt

unit3computers period2reading robot1 rmvb earliestcomputer nowadayscomputer howdoesitchange whoami skimming 1 whoisthespeaker 2 what sthepassageabout it saboutthehistoryofcomputer readthepassageagain findthetopicsentenceofeachparagraphandthesupportingdetails paragraph1 overtimeihavebeenchangedquitealot 1 calculatingmachine2 analyticalmachine3 universalmachine4 laptop skimming q1 howdidthecomputerworkasananalyticalmachine thecomputerfollowedinstructionsfromcardswithholes paragraph2 thesechangesonlybecamepossiblework5 worldwideweb paragraph3 sincethe1970smanynewmunications2 finance3 trade4 robots5 mobilephones6 medicaloperations7 spacerockets8 providingalifeofhighquality 2 whichsentencecanbereplaced 代替 inthepassagebythefollowing later ibecomesocleverthaticanremembereverythingyoutoldme overtimemymemoryhasdevelopedsomuchthat likeanelephant ineverforgetanythingihavebeentold summaryatopicsentencesetsoutthemainideaofaparagraph atopicsentenceisusuallythefirstorlastsentenceofaparagraph time thecomputerbeganasacalculatingmachine 1822 alanturingwroteabooktodescribehowcomputerscouldbemadetoworkandbuilta universalmachine computershadnewtransistorsandbecamesmallandthin 1960s computerswerebroughtintopeople shomes computersconnectpeopleallovertheworldtogether whatistheorderofthetext q3 howdidcomputerchangeinitssize intelligence speed function andhowaboutpeople sopinion size intelligence speed function people sopinion smaller quicker cleverer dealingwith communicatingwith clever useful calculating simple minded trueorfalse alanturingbuiltananalyticalmachinetosolveanymathematicalproblems peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing thecomputerbegantoservethehumanracesinceitwasbroughtintopeople shomes sincethe1970s thecomputerwasusedbypeoplearoundtheworldthroughtheinternet 5 thelargerthecomputeris themorememoryithas f t f t f auniversalmachine itsbirth ibecamesmallandthinbutigotclevererandcleverer quickerandquicker andmymemorybecamesolargethaticouldn tbelieveit correctthewrongsentences fillintheblanks ibeganasa in1642infrance in1822iwasbuiltasan thenin1936alanturingwroteabookandbuilta astheyearshave ihavebeenmade butigot inthe1960stheygavemeafamily nowpeoplecallittheinternet iwas inthe1970s soibecamepc sincemybirthihavetrulybeenbuilttoservethehumanrace calculatingmachine analyticalmachine universalmachine goneby smallerandsmaller clevererandcleverer quickerandquicker connectedbyanetwork broughtintopeople shomes in1642 acalculatingmachinewasusedinfrance thenin1822 theanalyticalmachinewasmadebycharlesbabbage itcouldfollowinstructionsfromcardswithholes in1963 alanturing therealfatherofcomputers wroteabooktodescribehowcomputerscouldbemadetowokandbuilta universalmachine tosolveanymathematicalproblem later peoplediscoveredthecomputerhad artificialintelligence inthe1960s thecomputerhot changesofthecomputer hisnewtransistors itssizewastotallychangesatthattime andintheearly1960s thefirstfamilyofcomputerswereconnectedtoeachother in1970scomputershavebroughtintopeople shomes nowcomputershavebeenusedbybillionsofpeopletodealwithinformationandcommunicatewitheachotheraroundtheworldbytheinternet debate havebadeffectonstudy awasteofmoney awasteoftime learn communicate entertainment improve advantageswecancommunicatewithfriendslistentothemusicseefilms watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings disadvantagessomepeopleespeciallytheteenagersabandon 沉迷于 themselvestothecomputergamesandchattingontheinternet asaresult theyhavelittletimetostudy somepeopleusethecomputerwrongly thereisnodoubtthatcomputerhastwosides too ifwemakegooduseofit itwillmakeourlivesmorecolorfulandconvenient butdon tloseyourselfinplayingcomputers justremember keepfit studywellandworkhard alanturing calculatingmachine pc desktop notebook analyticalmachine universalmachine artificialintelligence internet completingthechartbelow charlesbabbage the father inventor thehistor