高中英语必修2·Uint3·Computers-reading

WelcomeWhoamI?

Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

abacusCanyouguesswhoamI?Iamanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems.AcalculatorIambuilttosolvesomemathematicalproblems.Butitistoobig.AhugecomputerIamacomputerwhichcansolveallkindsofproblemsandisusedwidelynow.APC/desktop

Iamakindofcomputerwhichcanbetakenconveniently(方便).Alaptop/notebookcomputerIamahandhelddevicethatcombinescomputing,telephone/fax,andnetworkingfeatures.WhoamI?Reading

1Whobuiltthefirstanalyticalmachine?2Whowasthenextimportantpersontodesigncomputers?

CharlesBabbagebuiltthefirstanalyticalmachine.AlanTuring

wasthenextimportantpersontodesigncomputers.Task1Reading–IFastreading

Task2:TrueorFalse?1.IbeganasacalculatingmachineinJapanin1642.

2.MyrealfatherwasCharlesBabbage,whowroteabookandbuildmein1936.3.AfterIgotmynewtransistorsinthe1960s,Ibecamebiggerbutclevererandquicker.4.Iwasbroughtintopeople’shomesinthe1970s.5.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.AlanTuringserve/helpsmallerFrance

Howdidthewriterorganizethetext?AccordingtothetimeTimeline1642:_________________________________________1822:_________________________________________

______________________________________________1936:_______________________________________________________________________________________1940s:______________________________________________:1970s:_________________________________________Now:Computersconnectpeopleallovertheworldtogether.ThecomputerbeganasacalculatingmachineAlanTuringwroteabookabouthowcomputerscouldbemadetoworkasauniversalmachine.Thecomputerhadgrownaslargeasaroom.1960s

_______________________________________________________________________________Computerswereusedinofficesandhomes.Thefirstfamilyofcomputerswasconnectedtoeachother.TheanalyticalmachinewasmadebyCharlesBabbage.Reading–IICarefulreading

Detailedreading(P19)Paragraph1Paragraph2Paragraph3Topicsentenc-eSupport-ingdetails

calculatingmachinetubescommunicationsfinanceanalyticalmachine

universalmachine

PC

laptop

transistors

chips

network

WorldWideWeb

trade

robots

mobilephones

medicaloperations

spacerobotsOvertimeIhavebeenchangedquitealot.Thesechangesonly…asmymemoryimproved.Sincethe1970smanynewapplications…forme.Reading–III1.

Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.Comprehending:2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.Ibeganasa______________in1642inFrance.In1822Iwasbuiltasan______________.Thenin1936AlanTuringwroteabookandbuilta_____________.Astime______,Iwasmade______butmymemorygot______and_____.Inthe1960stheygavemeafamilyconnectedby________.NowpeoplecallittheInternet.Iwasusedin______and______inthe1970s.SincemybirthIhavetrulybeenbuilttoservethehumanrace.calculatingmachineAnalyticalMachineuniversalmachinewentbysmaller

largerlarger

anetworkofficeshomesFillintheblanks

Whatcancomputersbeusedtodoinourdailylife?Inhowmanywaysdowesaythecomputerchanged?Whatarethey?Size:

Intelligence:Speed:Function:People’opinion:smallerquickercleverercalculating----dealingwith…,communicatingwith…clever&usefulDiscussionShouldhighschoolstudentssurftheinternet(上网)?

Ithinkhighschoolstudentsshouldsurftheinternetbecause…(first,secondly,thirdly)Ithinkhighschoolstudentsshouldnotsurftheinternetbecause…(first,secondly,thirdly…)1642began…calculating…France1822TheAnalyticalMachine…CharlesBabbage

1936AlanTuri