人教版高中英語必修二課件Unit3Reading

1、高中英語課件（madeofdingshangtuwen）人教課標高一必修2Unit3Heavy!Difficult!Hard!Tired!Easy!Fast!Free!monitorkeyboardmousespeakermodemscannerprinterUSBflashdischarddiscLabeleachpart.124356monitorscreenCD-ROMmousekeyboardharddisk1.Lookatthesepictures.Inpairsdiscusswhattheyhaveincommon.2.Whatdotheytellyouaboutthedevelo

2、pmentofcomputers?3.Whatdoyouthinkwillbethenextdevelopment?Whatsnext?1.Whoisthespeakerinthisstory?Acomputer.2.Writedownthreesentencesfromthestorytosupportyouridea.1)IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2)Myrealfather,AlanTuring,3)Iwasalwayslonelystandingtherebymyself,untilinearly1960stheyga

3、vemeafamilyconnectedbyanetwork.Skimthetextandputthefollowinginventionsinanorderaccordingtothetimewhentheyappeared.()analyticalmachine()calculatingmachine()PC()laptop()robot()universalmachine2145631.Wherewereyouin1642?InFrance.2.Whathappenedtoyouafternearlytwohundredyears?IwasbuiltasanAnalyticalMachi

4、nebyBabbage.3.Whatwereyoucalledin1936?Auniversalmachine.4.Whathappenedtoyouinthe1970s?Ihavebeenusedinofficesandhomes.Para.1Para.2Para.3TopicsentenceOvertimeIhavebeenchangedquitealot.ThesechangesonlybecamepossibleasmymemoryimprovedSincethe1970smanynewapplicatio-nshavebeenfoundforme.Task3Comprehending

5、Ex.2Para.1Para.2Para.3Support-ingdetailsCalculatingmachineAnalyticalmachineUniversalmachinePClaptopTubesTransistorsChipsNetworkWorldWideWebCommunicationsFinanceTradeRobotsMobilephonesMedicaloperationsSpacerocketsProvidingalifeofhighquality16421822TheanalyticalmachinewasmadebyCharlesBabbage.1936Theco

6、mputerbeganasacalculatingmachine.Thecomputergrewrapidlybothinsizeandinbrainpower.1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowComputershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.DevelopmentEarlydaysNameFunctionPoorStr

7、ongA_machineSimplifydifficultsumsAn_machineThinklogicallyandproduceananswerquicklyA_machineSolvedifficult_calculatinganalyticaluniversalmathematicalproblemsDevelopmentNetworktimes_storedinTubesLargeSmall_Smallchips_NarrowWideFinance_RobotsMobilephones_SpacerocketsMedicaloperationsMemoryTransistorsAp

8、plicationsCommunicationTradeParagraph1Paragraph2TopicsentenceOvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Paragraph1Paragraph2SupportingdetailsCalculatingmachineAnalyticalmachineUniversalmachinePClaptoptubestransistorschipsnetworkWorldWideWebParagraph3Topicsente

9、nceSupportingdetailscommunicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsprovidingalifeofhighqualitySincethe1970smanynewapplicationshavebeenfoundforme.1completely2completechange3tomakethingseasier4tofindtheanswerusingnumberstotallyrevolutionsimplifycalculate5canbemovedeasilyfromp

10、lacetoplace6toworkouttheanswertoaproblemmobilesolve7totravelaroundanareatofindoutaboutit8completely9anyway10activityofmanagingmoneyexploretotallyanyhowfinancethesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)ThehistoryofcomputersWhatisP

11、C?Speakthenameonthewhole.Itmeans:personalcomputer.2.WhatisIT?InformationTechnology.3.WhatisCD-ROM?Compactdiscread-onlymemory.4.WhatisPDA?Personaldigitalassistant.5.WhatisW.W.W?Worldwideweb.6.科學技術(shù)。Scienceandtechnology.7.人工智能。Artificialintelligence.8.筆記本電腦。Notebookcomputer.9.Whowasthefirstpersontodevisethefirstcomputer?CharlesBabbageinventedananalyticalmachinein1822.10.Whowasthecomputersrealfather?AlanTuring.Howcomputershavechangedourlives?ListofusesofcomputersWhatpeopledidbeforecomputersemailswriteletterswordprocessingwritebyhandortypew