高中英语 模块七第一单元welcome&reading 课件 牛津版选修7.ppt

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1、M7Unit1Livingwithtechnology1.Howdidyouspendyourholiday?2.Whatelectricalandelectronicproductsdoyouhaveathome?Leadinmicrowaveovenwashingmachineelectricalproductsair-conditionerelectricricecookerTVsetlaptopdigitalcameracellphoneelectronicproductsMP4MP3CDplayerwalkmanAudiodevices3.Howhavetheseinven

2、tionsimprovedpeople’slives?TVsetsareagoodexampleofthis.BeforeTVcameintouse,peoplecouldn’tgetvariousnewsbothinChinaandothercountriesintime.WithTVsets,peopleareabletoenjoythemselvestokilltimeandbenefitalotfromwatchingTVprogrammes.ReadingTVandaudiodevices:areviewareportofpastevents1.Whendidregularpub

3、licTVbroadcastingbeginaroundtheworld?2.WhatisWebTV?3.Whatwasinventedin1954?Itbeganon11May1928inNewYorkandinLondonon20August1929.ItistheTVsetcombinedwiththeWorldWideWeb.Thecassetterecorder.Fastreadinggiveyoumoreinformationaboutthetextthanthetitlesshowyouhowatextisorganized.understandingsubtitlesTas

4、kIWhatarethefunctionsofsubtitles?ReadingstrategyEarlyhistoryofTVThemodernage:cableTV,satelliteTV,digitalTVEarlyhistoryofaudiodevicesTaperecordersandplayersSoundgoesdigitalTVandaudiodevices:areviewTVAudiodevicesTaskIIFindallthesubtitlesandfillintheblanks.Thedevelopmentof____________________whocontr

5、ibutedtothedevelopmentofTVThedevelopmentof________TaskIReadthefirstpartandgetthemainideaofeachparagraph.DetailedreadingPara.1Para.2Para.3TVbroadcastPeoplecolorTVYearEventCableTVbeganintheUSA;3Americanscientistsinventedthetransistor.19511962InternationalstandardsfordigitalTVwereestablished.19961948

6、ColourbroadcastsbeganintheUSA.SatellitesbegantobeusedtobroadcastTV.1989TaskIIFillintheblanksaccordingtothefirsttwoparts.FirstWebTVset-topboxescameontothemarket.YearEvent18771954FirstLPs(long-playrecords)cameontothemarket.198219871992Firstrecordingofahumanvoicewasmade.Inventionoftransistorledtothed

7、evelopmentofcassetterecorders.FirstCDsproducedbyusingdigitaltechnologyweremadeavailable.DevelopmentofMP3technologystartedinGermany.DevelopmentofMDplayerbegan.1958TaskIIIFillintheblanksaccordingtothelastthreeparts