人教版高中英语必修2第三单元公开课课件

WangWeiPre-readingabacus/ˈæbəkəs/Mygrandpaplaystheverywell,butIcannotplaytheabacusatall.abacuscalculator/ˈkælkjʊleɪtə/ThisisaCASIOelectronic.calculatorhugecomputerlaptopPCPDArobot/ˈrəʊbɒt/What’snext?tomaketheseintellectualmachineshavefeelings…Task1Lookatthepicturesandthetitleofthereadingpassage.Predictwhatitisgoingtobeabout.Task2Lookattheseinventions.Puttheminorderaccordingtothetimewhentheyappeared.Afterreadingthepassage,checktoseeifyouwereright.()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachine214563While-readingParagraph1Paragraph2Paragraph3TopicsentenceOvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.SupportingdetailscalculatingmachineanalyticalmachineuniversalmachinePCtubestransistorssmallchipscommunicationsfinancetraderobotsmobilephonesMedicaloperationsspacerocketStep3Makeatimeline1642:1822:TheanalyticalmachinewasmadebyCharlesBabbage.:1940s::Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:Now:CalculatingmachinewasmadeinFrance.CalculatingmachinewasmadeinFrance.19361960Hugecomputersweremade.Manynewapplicationshavebeenfound.Itwillbemoreandmoreadvancedtoprovidehumanswithalifeofhighquality.Brainstormalistofthingsthatyou,yourschoolandyourfamilyusecomputersfor.Thinkabutwhatyouwouldhavetodoifyoucouldnotusecomputersanymore.Post-readingTaskDiscussionQuestion:howcomputershavechangedourlives?HomeworkFinishLearningaboutlanguageonpage20.