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8Unit3ModernmachinesReading:Computers8Unit3ModernmachinesReadin1Ⅱ
Pre-reading:
Brain-storming
Whatcanacomputerdo???????8playgamescalculatetypedrawpictures??printplayvideo/musicⅡPre-reading:Brain-storming28ⅢFirst-reading2.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.Theycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailways(liketheunderground)andflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
typeprintdrawplaygamesWhatelsecanacomputerdo?calculatingReadPassage2quicklyand
findout.
(1.5min)Moreimportantly,computerscanoperaterailwaysandflyplaneandspaceships.8ⅢFirst-reading2.Whatkin32.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.
Notes:rarely:notoften,seldomTheycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailwaysandflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
2.Whatkindofjobscanac4Computerscanalsodraw:
曲線圖、坐標(biāo)、圖表（數(shù)學(xué)）圖解diagramgraphComputerscanalsodraw:曲線圖、坐58Workinpairs.ReadPassage2&3quicklyandfindouttheexamples---Ex.A3(P35)(3min)2.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.Theycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailwaysandflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
3.IsacomputerclevererthanIam?Theanswertothisquestionis,forthetimebeing,“No”.Youhavegreaterunderstandingofthemeaningofthingsthancomputersandcanalsocreatenewideasofyourown.However,onedaycomputersmaybeabletodomorethingsthanahumanbrain.Inthefuture,theymayevenbebetteratdoingtheirjobsthandoctors,judgesandteachers.Thisraisesinterestingquestions.Howwillcomputerschangeourlives?Willwehavenothingtodo?Willcomputersmakeourlivesbetterorworseinthefuture?
ⅢSecond-reading8Workinpairs.ReadPassage268Ex.A3
Giveexamples(P35)2.S1Computerscandrawthings.S2Forexample?S1Theycandraw_________and_________.3.S1Computerscandosomeimportantjobs.
S2Forexample?
S1Theycan________________and_______
_________and__________.diagramsgraphsoperateflyrailwaysplanesspaceships8Ex.A3Giveexamples(P35)2.78S1Ahumanbraincandosomethingsbetterthanacomputer.
S2Forexample?
S1Thebraincan____________________.S1Inthefuture,computersmaydosomejobsbetterthanpeople.
S2Whatjobs,forexample?
S1Theymaybebetteratdoingjobsthan________,_________and__________.
createnewEx.A3Giveexamples(P35)ideasdoctorsjudgesteachers8createnewEx.A3Giveexample8
a
judge---apersonwhodecidesthingsinacourtoflaw法官ajudg98Lookandthink:Whatmakesthemwork?
8Lookandthink:Whatmakesthe10
Computersinsidemakethemwork.Butyoumightbeunawareofthem.(notnotice不察覺(jué)的)Computersinsidemakethemw118Whatarethe“hiddenhelpers”,accordingtothetext?2.Whatdoes“hidden”meanhere?3.Doyouhaveanyhiddenhelpersinyourhomes?4.Isacomputerclevererthanhumanbeings?Why/Whynot?ReadPassage1&3andthink(3min):ⅢThird-reading8Whatarethe“hiddenhelpers”1281.HiddenhelpersNotsomanyyearsago,youhardlyeversawcomputers.Nowtheyseemtobeeverywhere.Therearealsomanyhidden“computers”inyourhome,butyoumightbeunawareofthem.Forexample,theremaybeoneinsideyourTVset,telephoneorwashingmachine.Youaremoredependentoncomputersthanyouknow.ⅢThird-readingReadandthink:Questions:1.Whatarethe“hiddenhelpers”,accordingtothetext?2.Whatdoes“hidden”meanhere?3.Doyouhaveanyhiddenhelpersinyourhomes?81.HiddenhelpersⅢThird-r13Notes:beunawareof…:沒(méi)意識(shí)到,不知道
bedependenton…:依靠,依賴(lài)hardly:almostnot幾乎不Notes:148ⅢThird-readingReadandthink:
Isacomputerclevererthanhumanbeings?Why/Whynot?3.IsacomputerclevererthanIam?Theanswertothisquestionis,forthetimebeing,“No”.Youhavegreaterunderstandingofthemeaningofthingsthancomputersandcanalsocreatenewideasofyourown.However,onedaycomputersmaybeabletodomorethingsthanahumanbrain.Inthefuture,theymayevenbebetteratdoingtheirjobsthandoctors,judgesandteachers.Thisraisesinterestingquestions.Howwillcomputerschangeourlives?Willwehavenothingtodo?Willcomputersmakeourlivesbetterorworseinthefuture?
8ⅢThird-readingReadandthin1581.Readfastandgetthe
mainidea
foreachpassage.Passage1:___________________________
Topicsentence:Passage2:___________________________
ⅣReadingBB2MoreinformationaboutcomputersHowtogiveacomputerinstructions?WhatcanCD-ROMsorDVD-ROMsdo?Wegiveacomputerinstructionsbyputtingdifferentprogramsintoit.81.Readfastandgetthemain168ReadB2againanddoTorF:()1.It’sessentialforprogrammersnottomakemistakes.()2.Programmersusethesamelanguagetowritedifferentprograms.()3.Computerlanguagearesoeasythateveryonecanunderstandthem.()4.ADVD-ROMcanholdplentyofinfor-mation,includingpicturesandsounds.
FTTF
ⅣReadingB8ReadB2againanddoTorF:178ⅤPost-reading
LookbacktoReadingA&B:Whatarethesepassagesincommon?ThemainideaforeachpassageinReadingA:Passage1:______________________________Passage2:______________________________Passage3:______________________________Therearemanyhiddencomputersinyourhome.Computerscandoalotofthings.Isacomputerclevererthanhumanbeings?8ⅤPost-readingLookbackto188ⅤPost-reading
LookbacktoReadingA&B:3.Howtogivesupportinginformation?Let’sdrawtheoutlineforthepassages.Mainidea(topicsentence)Supportinginformation________________Passage1:___________
________________________________…Therearemanyhiddencomputersinyourhome.--beunawareof…--forexample…--bemoredependenton…8ⅤPost-readingLookbackto1984.Groupwork—complete
the
outlines:ⅤPost-reading
Mainidea(topicsentence)Supportinginformation________________Passage():__________
________________________________________________…84.Groupwork—completetheou205.
GroupworkⅡNowit’syourturntowriteashortpassageaboutcomputers.Firstdecideyourtopic.
eg:surftheinternet,ane-mailboxBillGates…
5.GroupworkⅡ215.GroupworkⅡThenyoucanbegintowritedownyouroutline.
Mainidea(topicsentence)Supportinginformation__________________________________
________________________________________________…5.GroupworkⅡ228HomeworkFinishwritingtheinformationaboutcomputers.2.CompletethesentencesinB1inthestudents’books.3.Readaloudthenewwordsandthetext.4.Talkingroupsoffour:Willcomputersmakeourlivesbetterorworseinthefuture?Andyourreasons?8HomeworkFinishwritingthe23That’sallfortoday.Thankyouforyourlistening.
Good-bye!That’sallfortoday.2481.ReadPara1,B2quicklyandanswer:1.Howcanwemakeacomputerwork?2.Howcanwegiveacomputerinstructions?3.Whowritesthecomputerprograms?
ReadingB2Moreinformationaboutcomputers81.ReadPara1,B2quicklyan258B2Moreinformationaboutcomputers
1.Howcanwemakeacomputerwork?
Wegiveacomputerinstructions.2.Howcanwegiveacomputerinstructions?
Weputdifferentprogramsintoit.3.Whowritesthecomputerprograms?
Computerprogrammers.
8B2Moreinformationaboutco268Unit3ModernmachinesReading:Computers8Unit3ModernmachinesReadin27Ⅱ
Pre-reading:
Brain-storming
Whatcanacomputerdo???????8playgamescalculatetypedrawpictures??printplayvideo/musicⅡPre-reading:Brain-storming288ⅢFirst-reading2.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.Theycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailways(liketheunderground)andflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
typeprintdrawplaygamesWhatelsecanacomputerdo?calculatingReadPassage2quicklyand
findout.
(1.5min)Moreimportantly,computerscanoperaterailwaysandflyplaneandspaceships.8ⅢFirst-reading2.Whatkin292.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.
Notes:rarely:notoften,seldomTheycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailwaysandflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
2.Whatkindofjobscanac30Computerscanalsodraw:
曲線圖、坐標(biāo)、圖表（數(shù)學(xué)）圖解diagramgraphComputerscanalsodraw:曲線圖、坐318Workinpairs.ReadPassage2&3quicklyandfindouttheexamples---Ex.A3(P35)(3min)2.Whatkindofjobscanacomputerdo?Computersareprobablythebestcalculatorsintheworld.Theyarefasteratcalculatingthanpeople,andtheyrarelygivewronganswers.Theycanalsotype,printanddrawthingslikediagramsandgraphs.Theycanteachyoumanythingsandalsoplaygameswithyou.Moreimportantly,they
canoperaterailwaysandflyplanesandspaceships.Forthesereasons,wesometimescallthem“electronicbrains”.
3.IsacomputerclevererthanIam?Theanswertothisquestionis,forthetimebeing,“No”.Youhavegreaterunderstandingofthemeaningofthingsthancomputersandcanalsocreatenewideasofyourown.However,onedaycomputersmaybeabletodomorethingsthanahumanbrain.Inthefuture,theymayevenbebetteratdoingtheirjobsthandoctors,judgesandteachers.Thisraisesinterestingquestions.Howwillcomputerschangeourlives?Willwehavenothingtodo?Willcomputersmakeourlivesbetterorworseinthefuture?
ⅢSecond-reading8Workinpairs.ReadPassage2328Ex.A3
Giveexamples(P35)2.S1Computerscandrawthings.S2Forexample?S1Theycandraw_________and_________.3.S1Computerscandosomeimportantjobs.
S2Forexample?
S1Theycan________________and_______
_________and__________.diagramsgraphsoperateflyrailwaysplanesspaceships8Ex.A3Giveexamples(P35)2.338S1Ahumanbraincandosomethingsbetterthanacomputer.
S2Forexample?
S1Thebraincan____________________.S1Inthefuture,computersmaydosomejobsbetterthanpeople.
S2Whatjobs,forexample?
S1Theymaybebetteratdoingjobsthan________,_________and__________.
createnewEx.A3Giveexamples(P35)ideasdoctorsjudgesteachers8createnewEx.A3Giveexample34
a
judge---apersonwhodecidesthingsinacourtoflaw法官ajudg358Lookandthink:Whatmakesthemwork?
8Lookandthink:Whatmakesthe36
Computersinsidemakethemwork.Butyoumightbeunawareofthem.(notnotice不察覺(jué)的)Computersinsidemakethemw378Whatarethe“hiddenhelpers”,accordingtothetext?2.Whatdoes“hidden”meanhere?3.Doyouhaveanyhiddenhelpersinyourhomes?4.Isacomputerclevererthanhumanbeings?Why/Whynot?ReadPassage1&3andthink(3min):ⅢThird-reading8Whatarethe“hiddenhelpers”3881.HiddenhelpersNotsomanyyearsago,youhardlyeversawcomputers.Nowtheyseemtobeeverywhere.Therearealsomanyhidden“computers”inyourhome,butyoumightbeunawareofthem.Forexample,theremaybeoneinsideyourTVset,telephoneorwashingmachine.Youaremoredependentoncomputersthanyouknow.ⅢThird-readingReadandthink:Questions:1.Whatarethe“hiddenhelpers”,accordingtothetext?2.Whatdoes“hidden”meanhere?3.Doyouhaveanyhiddenhelpersinyourhomes?81.HiddenhelpersⅢThird-r39Notes:beunawareof…:沒(méi)意識(shí)到,不知道
bedependenton…:依靠,依賴(lài)hardly:almostnot幾乎不Notes:408ⅢThird-readingReadandthink:
Isacomputerclevererthanhumanbeings?Why/Whynot?3.IsacomputerclevererthanIam?Theanswertothisquestionis,forthetimebeing,“No”.Youhavegreaterunderstandingofthemeaningofthingsthancomputersandcanalsocreatenewideasofyourown.However,onedaycomputersmaybeabletodomorethingsthanahumanbrain.Inthefuture,theymayevenbebetteratdoingtheirjobsthandoctors,judgesandteachers.Thisraisesinterestingquestions.Howwillcomputerschangeourlives?Willwehavenothingtodo?Willcomputersmakeourlivesbetterorworseinthefuture?
8ⅢThird-readingReadandthin4181.Readfastandgetthe
mainidea
foreachpassage.Passage1:___________________________
Topicsentence:Passage2:___________________________
ⅣReadingBB2MoreinformationaboutcomputersHowtogiveacomputerinstructions?WhatcanCD-ROMsorDVD-ROMsdo?Wegiveacomputerinstructionsbyputtingdifferentprogramsintoit.81.Readfastandgetthemain428ReadB2againanddoTorF:()1.It’sessentialforprogrammersnottomakemistakes.()2.Programmersusethesamelanguagetowritedifferentprograms.()3.Computerlanguagearesoeasythateveryonecanunderstandthem.()4.ADVD-ROMcanholdplentyofinfor-mation,includingpicturesandsounds.
FTTF
ⅣReadingB8ReadB2againanddoTorF:438ⅤPost-reading
LookbacktoReadingA&B:Whatarethesepassagesincommon?ThemainideaforeachpassageinReadingA:Passage1:______________________________Passage2:______________________________Passage3:______________________________Therearemanyhiddencomputersinyourhome.Computerscandoalotofthings.Isacomputerclevererthanhumanbeings?8ⅤPost-readingLookbackto448ⅤPost-reading
LookbacktoReadingA&B:3.Howtogivesupportinginformation?Let’sdrawtheoutlineforthepassages.Mainidea(topicsentence)Supportinginformation________________Passage1:___________
________________________________…Therearemanyhiddencomputersinyourhome.--beunawareof…--forexample…--bemoredependenton…8ⅤPost-readingLookbackto4584.Groupwork—complete
the
outlines:ⅤPost-reading
Mainidea(topicsentence)Supportinginformation________________Passage():__________
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