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高中英语Unit1Living with technology reading课件人教版选修七 课件VIP免费

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M7Unit1LivingwithtechnologyWhatwouldlifebelikewithoutthem?Whatwouldlifebelikewithoutthem?Freetalk:audiodevicesReading:TVandaudiodevices---areviewareportofpasteventsGuessGuessaccordingtothetitle:accordingtothetitle:Whatdoesthepassagetalkabout?Whatisthewriter’spurposeinwritingthepassage?Howisthepassageorganized___________________.A.byparagraphsB.inchronologicalorderC.byconceptsD.bysub-topicsFast-reading:T①②③④⑤(by_______ofequipment)______historyofTVtypes(inorderof______)Earlyhistoryof___________________________________________goesdigitalTVAudiodevicesEarlytimemodernSoundage:CableTV,satelliteTV,digitalTV,…The_______audiodevicesTaperecordersandplayerscareful-reading:specificyearstheeventshistoryofTVYearEventFirstpublicshowingsofwirelessTVtransmissionsweremadeintheUSA.CableTVbeganintheUSA;3Americanscientistsinventedthetransistor.19511962InternationalstandardsfordigitalTVwereestablished.FirstWebTVset-topboxescameontothemarket.19251948ColourbroadcastsbeganintheUSA.SatellitesbegantobeusedtobroadcastTV.19891996Listenandanswer:Listenandanswer:1.WhomightbetheinventorofthefirstTV?A.VladimirZworykinfromRussia.B.PhiloFarnsworthintheUSA.C.JohnLogieBairdfromScotland.D.Itremainsuncertain.2.HowmanycountrieshaveputdigitalTVintooperationaccordingtothepassage?A.Onlyone.B.Alreadytwo.C.Atmostthree.D.Atleastfour.careful-reading:specificyearstheeventsaudiodevicesaudiodevicesYearEvent18771954FirstLPs(long-playrecords)cameontothemarket.198219871992Firstrecordingofahumanvoicewasmade.Inventionoftransistorledtothedevelopmentofcassetterecorders.FirstCDsproducedbyusingdigitaltechnologyweremadeavailable.DevelopmentofMP3technologystartedinGermany.DevelopmentofMDplayerbegan.19581.WhomighthaveattributedtothedevelopmentoftheWalkman?A.twoJapaneseengineers.B.threeAmericanscientists.C.ThomasEdison.D.EmileBerliner.2.WhatisthemainfactorthatcausesthemusicwebsitestospringupallovertheInternet?A.ThepopularityofWalkman.B.ThedevelopmentoftheMDplayer.C.ThedevelopmentofMPstechnology.D.ThewideuseofDiscman.listenandanswer:6.对……作出贡献13.彩色的14.黑白电视19.比……好;优于22.有机会使用…25.上市26.做问卷调查27.与其他观众聊天32.被手动上发条38.电流45.声音数字化.52.正如名称所示16.花了50年才有66%的美国家庭拥有了它.contributeto…incolourblack-and-whiteTVbesuperiortohaveaccessto…comeontothemarketrespondtoquestionnaireschattootherviewersbewoundupbyhandanelectriccurrentSoundgoesdigital.asthenameindicatesIttook50yearsbefore66percentofAmericanhouseholdshadit.Underlinethephrases.advantagesadvantagesdisadvantagesdisadvantagesdiscussion:♠meetpeople’sneeds.♠haveimprovedpeople’slivestosomedegree.♦radiationfromthemmaybeharmfultopeople’shealth.♦generatelargeamountofwaste,whichisharmfultotheenvironment.tosumup•Readthetextandtrytomemorizethewordsandexpressions.•DoLanguagepracticeonpage102.

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高中英语Unit1Living with technology reading课件人教版选修七 课件

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