搜索
M7Unit1LivingwithtechnologyLead-in:1._________playsanimportantroleinexploringtheunknownfieldsandrealizingthedreamsofourancestors（祖先）.Scienceandtechnology2.Hightechnologyhasadirecteffectonourlife.Whatelectricgoodsandelectronicappliances(电器)doyouhaveathome?TVsetremotecontrolrefrigeratorwashingmachinemicrowaveovenAirconditionerflatironvacuumcleanerelectricricecookerelectromagneticovendesktoplaptopdigitalcameraDVDmicrophoneMP4MP3cellphonetelephonetaperecorderelectroniccalculatorelectricfanhairdryerTimeline1982electricfan1984TV(black-and-white)1985refrigerator1986washingmachine1990TV(colour)1997air-condition2001mobilephone(withbasicfunctions)2004mobilephone(withMP3andcamera)Whatcanyouconcludefromthetimeline?developmentThedevelopmentofelectricdevices:developmentofTVblack-and-whiteTVcolourTVLCDscreendesktoplaptopPalmdevelopmentofcomputerdevelopmentofdictionarydictionaryelectronicdictionarydevelopmentofcommunicationletter/telegramtelephonebeepercellphonedevelopmentofcameramobilephonewithacameradigitalcameracameradevelopmentofaudio(音响)devicegramophone(留声机)radio/taperecorderMDwalkmanCDplayerMP3MP4developmentoffanfanairconditionerelectricfanDiscussion:1.Whatcanourhumanbeingsbenefitfromthedevelopmentofelectricandelectronicappliances?2.Canwedependontheseappliancescompletely?SummaryWithpeople’shardworkandintelligence,humanbeingsownlotsofusefulandhandyelectricandelectronicdevices.Thesedevicesdomakeussavealotoftimeandenergy.Besides,theyfreeusfromheavyhousework.Butweshouldnotdependcompletelyonthem.Wehumanbeingsshouldmakereasonableuseofthemsothatwecanrelaxourselvesandfindpleasureandhappinessinourlife.Homework1.ReadtwopassagesonP106-1072.Previewreading.3.UnitRevision:Period1.