英语必修二第三单元课文

Unit3Computers Reading Sendorreceiveemails COMPUTER Unit3Computers keyboard mouse monitor screen speaker hostcomputer camera 1 2 3 4 5 6 7 WhatisitinEnglish CPU centralprocessingUnit 中央处理器 WhatisitinEnglish Mainboard 主板 WhatisitinEnglish harddisc硬盘 WhatisitinEnglish displaycard显卡 DVDROMDigitalVersatileDiscReadOnlyMemory数字通用光盘 WhatisitinEnglish Thefirstcomputer ThefirstcalculatingmachinewasinventedbyPascalinFrancein1642 Intheearly1960s peoplecouldcommunicatewitheachotherthroughWorldWideWeb WhoamI Reading IbeganasacalculatingmachineinFrancein1642 AlthoughIwasyoungIcouldsimplifydifficultsums IdevelopedveryslowlyandittooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharlesBabbage AfterIwasprogrammedbyanoperatorwhousedcardswithholes Icould think logicallyandproduceananswerquickerthananyperson Atthattimeitwasconsideredatechnologicalrevolutionandthestartofmy artificialintelligence In1936myrealfather AlanTuring wroteabookabouthowIcouldbemadetoworkasa universalmachine tosolveanydifficultmathematicalproblem Fromthenon Igrewrapidlybothinsizeandinbrainpower Bythe1940sIhadgrownaslargeasaroom andIwonderedifIwouldgrowanylarger However thisrealityalsoworriedmydesigners Astimewentby Iwasmadesmaller FirstasaPC personalcomputer andthenasalaptop Ihavebeenusedinofficesandhomessincethe1970s OvertimeIhavebeenchangedquitealot Firstitwasstoredintubes thenontransistorsandlateronverysmallchips AsaresultItotallychangedmyshape AsIhavegrownolderIhavealsogrownsmaller Overtimemymemoryhasdevelopedsomuchthat likeanelephant IneverforgetanythingIhavebeentold AndmymemorybecamesolargethatevenIcouldn tbelieveit ButIwasalwayssolonelystandingtherebymyself untilintheearly1960stheygavemeafamilyconnectedbyanetwork IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb Thesechangesonlybecamepossibleasmymemoryimproved Ihavebecomeveryimportantincommunication financeandtrade Ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations IhaveevenbeenputintospacerocketsandsenttoexploretheMoonandMars Anyhow mygoalistoprovidehumanswithalifeofhighquality IamnowtrulyfilledwithhappinessthatIamadevotedfriendandhelperofthehumanrace Sincethe1970smanynewapplicationshavebeenfoundforme Paragraph1 OvertimeIhavebeenchangedquitealot calculatingmachineanalyticalmachineuniversalmachinePClaptopParagraph2 Thesechangesonlybecamepossibleasmymemoryimproved tubestransistorschipsnetworkWorldWideWebParagraph3 Smunicationsfinancetraderobotsmobilephonesmedicaloperationsspacerockets Fillintheblanks Thecomputerbeganasacalculatingmachine 1936 Thecomputerhadgrownaslargeasaroom 1960s Computerswereusedinofficesandhomes Thecomputerisadevotedfriendandhelperofthehumanrace Thecomputergrewrapidlybothinsizeandinbrainpower AlthoughIwasyoungIcouldsimplifydifficultsums simplify tomakesomethingeasytodoorunderstand IhavebeenputintospacerocketsandsenttoexplorethemoonandtheMars explore traveltoaplaceinordertoknowaboutit untilintheearly1960stheygavemeafamilyconnectedbyanetwork IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb connect bringsomethingtogether Sincethe1970smanynewapplicationshavebeenfoundforme Ihavebecomeveryimportantincommunication financeandtrade application practicaluses Whilereadingforthemainideaofaparagraph weshould Sumup 总结 thereadingskills Tofindthetopicsentenceofapapagraph wecanlookforsome tohelp Atopicsentenceisusuallyatthe oftheparagraph It sbetterforusto themeaningofsomenewwordsaccordingtothe Sumup 总结 thereadingskills detailsorkeywords beginning guess context Bettercomputer betterlife Discussion Bettercomputer betterlife Iagree don tagreewiththesaying Inmyopinion Ibelievethat because Theadvantage disadvantageis Giveyourreasons Whatmakesyouthinkso Fi