Unit 3 Computers教学设计.docx
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Unit 3 Computers教学设计.docx
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Unit3Computers教学设计
Unit3Computers教学设计
Unit3puters
aringUp,Pre-readingandReading
Teahingais
1nledgeais
(1)Getthestudentstlearntheusefulandexpressinsinthispart
(2)Letstudentstlearnabuthistrandbasinledgefputers
1Abilitais
Develpstudents’readingabilitiesandletthelearndifferentreadingsills
3Etinai:
Arusestudents’greatinterestinlearningputersandletthelearntusetheputersintheirdaillives
Teahingdiffiultandiprtantpints
1Letthestudentslearnreabuthistrandbasinledgefputers
2Getthestudentstlearndifferentreadingsills
Teahingethds
1Tas-basedteahingandlearning
2perativelearning
3Disussin
Teahingpreduresandas
Step1aringup
Tas1:
Huhdunabutputers?
(aeasurve)
1hatdesITean?
Infratintehnlg
2Htspea科学技术inEnglish?
Sieneandtehnlg
3hatdesPean?
Persnalputer
4Htspea人工智能inEnglish?
Artifiialintelligene
hatdesPDAean?
Persnaldigitalassistant
6Htspea笔记本电脑inEnglish?
Ntebputer/laptp
7hatdesean?
rldideeb
8hatanputersbeusedtdinurdaillife?
……
Tas2:
hatisit?
Givesesentenestdesribedifferentindsfalulatingbetsandsepituresthelpthestudentstguesshatitis?
①Anldalulatingahineusedinhinauntiln
Anabaus
②Itisanealulatingahinehihanslvealargenuberf
atheatialprbles
Aalulatr
③ItisbuilttslveseatheatialprblesButitistbig
Ahugeputer
④Itisaputerhihanslveallindsfprblesandisusedideln
AP/destp
⑤Itisaindfputerhihanbetaennvenientl(方便)
Alaptp/ntebputer
Step2pre-reading
anuputtheseinventinsinanrderardingtthetiehentheappeared?
()Analtialahine(分析机)
()Laptp
()alulatingahine(计算机器)
()Rbt/andrid
()P
()Universalahine(通用机器)
Step3Reading
(1)Siing
Tas1Findutthetpisentenesfeahparagraph(P19Ex2)
Tas2Suarizethegeneralideafthispassage
(2)Sanning
Tas1TruerFalse
In1642Ibeganasaalulatingahineanduldslveanatheatialprble(F:
slveanalulatingprble)
realfatherasharlesBabbage,hrteabandbuildein1936(F:
AlanTurning)
AfterIgtnetransistrsinthe1960s,Ibeaesallerbutlevererandquier(T)
Iasbrughtintpeple’shesinthe1970s(T)
SinebirthIhavebeenbuiltttaetheplaefhuanrae(F:
buildtservehuanrae)
(3)areful-reading
Tas1:
LatthetielinebelFillintheblansithinfratinfrthereadingtext
Tie
Thedevelpentftheputers
1642
1822
TheAnaltialahineasadebharlesBabbage
1940s
Thefirstfailfputersasnnetedteahther
1970s
n
1642:
Theputerbeganasaalulatingahine
1822:
TheAnaltialahineasadebharlesBabbage
1936:
Theputergrerapidlbthinsizeandinbrainper
1940s:
Theputershadgrnaslargeasar
1960s:
Thefirstfailfputersasnnetedteahther
1970s:
putersereusedinffiesandhes
N:
putersnnetpepleallvertherldtgether
Step4nlusinfthetext
Hdidputersdevelp?
Aalulatingahine→_____________→_________________→_________________→________________→_____________→________________→________________→_anneappliatins
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