【公开课】必修二Unit 3Reading

Unit3ComputersWarmingUp&ReadingPre-readingWhatdoyouknowaboutcomputer?Canyounamesomepartsofcomputer?keyboardmousemonitor/screenscannerprinterspeakerThehistoryofthecomputerdesktop(台式电脑）PC(personalcomputer）个人电脑laptop(手提电脑）smartphone(智能手机）tabletPC(平板电脑）smartwatch(智能手表）Googleglass(谷歌眼镜）Skimming:

Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●Iwasabletosharemyknowledgewith

othersthroughtheWorldWideWeb.●“MyrealfatherwasAlanTuring...”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”

Fastreading

1.Whobuiltthefirstanalyticalmachine?2.Whowasthenextimportantpersontodesigncomputers?CharlesBabbagebuiltthefirstanalyticalmachine.AlanTuringwasthenextimportantpersontodesigncomputers.What’sthemainideaofthispassage?A.ThedevelopmentofcomputersB.ThedevelopmentanduseofcomputersC.Amachinewhichissimple-mindedD.ComputersmayreplacehumanbeingFast-readingBCalculatingmachineAnalytical

machineUniversal

machineArtificialintelligencenetworkInternetHowdidcomputersdevelop?(In

1642)(In

1822)(in

1936)(Inthe1960s)(In

the

1970s)16421822TheanalyticalmachinewasmadebyCharlesBabbage.1936Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Readandfinishthetimelinebelow.

Careful-reading1940s

Thefirstfamilyofcomputerswasconnectedtoeachother.1970snowThecomputershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.ReadandCompletethechart.Paragraph1TopicsentenceSupportingdetailsOvertimeIhavebeenchangedquitealot.calculatingmachineanalyticalmachineuniversalmachinePClaptopParagraph2TopicsentenceSupportingdetailsThesechangesonlybecamepossibleasmymemoryimprovedtubestransistorschipsnetworkWorldWideWebParagraph3TopicsentenceSupportingdetailsSmunications;finance;trade;robots;mobilephonesmedicaloperationsspacerocketsprovidingalifeofhighquality1.“I”inthepassagerefersto_____.A.ATVset B.AcomputerC.Aradio D.Theinternet2.Whenwasthecomputerthebiggest?A.In1642 B.In1936C.Inthe1940s D.Inthe1970sChoosethebestanswer.BC3.Howoldisthecomputer?A.About370yearsoldBAbout270yearsold.C.About170yearsold.D.About470yearsold.A4.Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesgreatlyovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.B5.Whowasthefirstpersontomaketheearliestcomputer?

A.AlanTuring.B.CharlesBabbage.