人教版高中英语 必修二 Unit3 《Computers Warming up and reading》 课件

Unit3Computers1Unit3Computers1Guess!Atoy?Ahandbag?Computers2Guess!Atoy?Ahandbag?ComputeIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

DoyouknowwhoIam?abacusGuessmore:3Iamveryoldnow.IwasboIamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculator4Iamverysmall.IcanIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?5IcanbeusedforcalculatAhugecomputerAPCthehistoryofthecomputerPalmtop

6AhugecomputerAPCthehistoryWhoamI?7WhoamI?7Skimming:

Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”8Skimming:GooverthestorytTimelineThecomputerbeganasacalculatingmachine．1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork．Computershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes．

Computersconnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?9TimelineThecomputerbeganasTrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF10TrueorFalseAlanTuringbuilt1.

Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.Comprehending:111.ChoosethebestanswersComp2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.122)WhatcanyouinferfromtheQ1:HowdidthecomputerworkasanAnalyticalMachine?

Thecomputerfollowedinstructionsfromcardswithholes.2.

Questions13Q1:HowdidthecomputerworkQ2:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?Size:

Intelligence:Speed:Function:People’opinion:smallerquickercleverercalculating----dealingwith…,communicatingwith…clever&useful14Q2:Inhowmanywaysdowesay1960sConsolidation:Retelling151960sConsolidation:Retelling11Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)aseparatediskthatcontainslotsofinformation.Matchthewordswiththeirmeanings.161Amonitoris(a)thepartofInternet1.Whatcanthecomputerbeusedfor?Task2.Discussion17InternetTask2.Discussion17schoolworkgamesemailsmusicandfilmschatinformationphotosshoppingOurlifehaschanged!18schoolworkOurlifehaschangepalmtopsmallerdesktopconvenientlaptopWhataretoday'ssmallercomputerslike?19palmtopsmallerdesktopconve2.Whataboutinthefuture?virtualkeyboards

虚拟键盘Nose-topkeyboard-vest202.Whataboutinthefuture?virrobotWhataboutinthefuture?21robotWhataboutinthefuture?2222Supposeyouareareporter.NowyouareinterviewingMr./MissComputer.Samplequestions:Whatdoyouliketoeat?Whatareyourhobbies?Whatisyournewestfunction(功能)?Canyousaysomethingaboutyourfutureplan?etc.……Task3.Role-play23Supposeyouareareporter.NoHomework:Reviewthepassage2.DoEx.1-3onP19-20.3.ReadthestoryaboutBillGates.24Homework:ReviewthepassageUnit3Computers25Unit3Computers1Guess!Atoy?Ahandbag?Computers26Guess!Atoy?Ahandbag?ComputeIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

DoyouknowwhoIam?abacusGuessmore:27Iamveryoldnow.IwasboIamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculator28Iamverysmall.IcanIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?29IcanbeusedforcalculatAhugecomputerAPCthehistoryofthecomputerPalmtop

30AhugecomputerAPCthehistoryWhoamI?31WhoamI?7Skimming:

Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”32Skimming:GooverthestorytTimelineThecomputerbeganasacalculatingmachine．1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork．Computershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes．

Computersconnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?33TimelineThecomputerbeganasTrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF34TrueorFalseAlanTuringbuilt1.

Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.Comprehending:351.ChoosethebestanswersComp2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.362)WhatcanyouinferfromtheQ1:HowdidthecomputerworkasanAnalyticalMachine?

Thecomputerfollowedinstructionsfromcardswithholes.2.

Questions37Q1:HowdidthecomputerworkQ2:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?Size:

Intelligence:Speed:Function:People’opinion:smallerquickercleverercalculating----dealingwith…,communicatingwith…clever&useful38Q2:Inhowmanywaysdowesay1960sConsolidation:Retelling391960sConsolidation:Retelling11Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)aseparatediskthatcontainslotsofinformation.Matchthewordswiththeirmeanings.401Amonitoris(a)thepartofInternet1.What