Unit 3 Computers教学设计.doc

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1、Unit3Computers教学设计Unit3putersaringUp,Pre-readingandReadingTeahingais1nledgeais(1)Getthestudentstlearntheusefulandexpressinsinthispart(2)Letstudentstlearnabuthistrandbasinledgefputers1AbilitaisDevelpstudents’readingabilitiesandletthelearndifferentreadingsi

2、lls3Etinai:Arusestudents’greatinterestinlearningputersandletthelearntusetheputersintheirdaillivesTeahingdiffiultandiprtantpints1Letthestudentslearnreabuthistrandbasinledgefputers2GetthestudentstlearndifferentreadingsillsTeahingethds1Tas-basedteahingandlea

3、rning2perativelearning3DisussinTeahingpreduresandasStep1aringupTas1:Huhdunabutputers?(aeasurve)1hatdesITean?Infratintehnlg2Htspea科学技术inEnglish?Sieneandtehnlg3hatdesPean?Persnalputer4Htspea人工智能inEnglish?ArtifiialintelligenehatdesPDAean?Persnaldigitalassist

4、ant6Htspea笔记本电脑inEnglish?Ntebputer/laptp7hatdesean?rldideeb8hatanputersbeusedtdinurdaillife?……Tas2:hatisit?Givesesentenestdesribedifferentindsfalulatingbetsandsepituresthelpthestudentstguesshatitis?①AnldalulatingahineusedinhinauntilnAnabaus②Itisanealulati

5、ngahinehihanslvealargenuberfatheatialprblesAalulatr③ItisbuilttslveseatheatialprblesButitistbigAhugeputer④ItisaputerhihanslveallindsfprblesandisusedidelnAP/destp⑤Itisaindfputerhihanbetaennvenientl(方便)Alaptp/ntebputerStep2pre-readinganuputtheseinventinsinan

6、rderardingtthetiehentheappeared?()Analtialahine（分析机）()Laptp()alulatingahine（计算机器）()Rbt／andrid()P()Universalahine（通用机器）Step3Reading(1)SiingTas1Findutthetpisentenesfeahparagraph(P19Ex2)Tas2Suarizethegeneralideafthispassage(2)SanningTas1TruerFalseIn1642Ibega

7、nasaalulatingahineanduldslveanatheatialprble(F:slveanalulatingprble)realfatherasharlesBabbage,hrteabandbuildein1936(F:AlanTurning)AfterIgtnetransistrsinthe1960s,Ibeaesallerbutlevererandquier(T)Iasbrughtintpeple’shesinthe1970s(T)SinebirthIhavebeenbuiltttae

8、theplaefhuanrae(F:buildtservehuanrae)(3)areful-readingTas1:LatthetielinebelFillintheblansithinfratinfrthereadingtextTieThedevelpentftheputers16421822TheAnaltialahineasadebharlesBabbage1940sThefirstfailfputersasnnete