人教版高一英语必修二 Unit 3 Computers reading 课件.pptx

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1、Unit3Computerssearchforinformationwatchmovieslistentomusicreadbooksandmagazinesbuythingsonlineplaygamesonthecomputersendemailstofriendsdownloadmusicandfilmsdrawpictureslookatphotographsonthecomputeruseacomputerforschoolworktakepartinchatgroupsoperaterailways(liketheunde

2、rground)“electronicbrains”flyplanesandspaceshipsPDAabacuscalculatorhugecomputerPClaptopWhat’snext?Canyoutellthedevelopmentofcomputers?robotPre-readingWhoamIReadingFast-readingScaningInthepassage,“I”referstoParaI:ParaII:ParaIII:WhoamI?OvertimeIhavebeenchangedquitealot.Th

3、esechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundoutforme.Skimthepassageandfindoutthetopicsentenceineachparagraph.(2min)Canyoufindoutthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Amachinewhichissimple-minded.C.Thedevel

4、opmentandtheapplicationsofcomputers.D.Computersmayreplacehumanbeings.Task2CarefulReading(细读)Readthepassagemorecarefullyandfindmoreinformationaboutcomputers.Thenfillinthetwoformsbelow.164219361940s1970snowThecomputer__________________machine．1822AlanTuring_______________

5、______howcomputerscouldbemadetowork．Computershad________________aroom.1960sFirstas_____andthen________computerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.Afamilyofcomputerswasconnectedbya_______.The_________machinewasmadebyCharlesBabbage.beg

6、anasacalculatinganalyticalwroteabookaboutgrownaslargeasaPCasalaptopnetworkIbeganasa__________machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta__________machine.Astime______,Iwasmadesmallerbutmymemorygot______and______.Inthe1

7、960stheygavemeafamilyconnectedbya________.NowpeoplecallittheInternet.Iwasusedin______and______sincethe1970s.SincemybirthIhavetrulybeenbuilttoservethehumanrace.calculatingAnalyticaluniversalwentbylargerlargernetworkofficeshomesSummaryWhataretheadvantagesanddisadvantageso

8、fthecomputers?Inmyopinion,Icanusethecomputerto….DiscussionAdvantages1.forschoolwork2.playgames3.sendemailsto4.