译林牛津版选修7-Unit+1+Living+with+technology+welcome（共29张PPT）.ppt

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1、WelcometoourschoolModule7Unit1Livingwithtechnology南师大附属扬子中学田华盛飞Lead-in:1._________playsanimportantroleinexploringtheunknownfieldsandrealizingthedreamsofourancestors（祖先）.Scienceandtechnology2.Hightechnologyhasadirecteffectonourlife.Whatelectricalandelectronic

2、appliances(电器)doyouhaveathome?TVsetremotecontrolrefrigeratorwashingmachinemicrowaveovenair-conditionflatirondustcatcherelectricricecookerelectromagneticovenkitchenventilator(油烟机)cookingutensils（炊具）desktoplaptopdigitalcameraDVDmicrophoneMP4MP3cellphonetelepho

3、netaperecorderelectroniccalculatorelectricfanhairdryerHowhavetheseelectricalandelectronicdevicesimprovedourlives?Makeagroupoffourandtalkabouttheirfunctions.DeviceHowtoimproveourlife(functions)TVcellphonerefrigeratorwashingmachineair-conditionmicrowaveovencom

4、puterMP3/MP4U-diskTimelineelectricfanTV(black-and-white)1985refrigerator1986washingmachine1990TV(colour)1997air-condition2001mobilephone(withbasicfunctions)2004mobilephone(withMP3andcamera)Whatcanyouconcludefromthetimeline?Thedevelopmentofelectricdevices:dev

5、elopmentofTVblack-and-whiteTVcolourTVLCDscreendesktoplaptopPalmdevelopmentofcomputerdevelopmentofdictionarydictionaryelectronicdictionarydevelopmentofcommunicationletter/telegramtelephonebeepercellphonedevelopmentofcameramobilephonewithacameradigitalcameraca

6、meradevelopmentofaudio(音响)devicegramophone(留声机)radio/taperecordermp3CDplayerdevelopmentoffanfanair-conditionelectricfanDiscussion:1.Whatcanourhumanbeingsbenefitfromthedevelopmentofelectricandelectronicappliances?2.Canwedependontheseappliancescompletely?Summa

7、ryWithpeople’shardworkandintelligence,humanbeingsownlotsofusefulandhandyelectricandelectronicdevices.Thesedevicesdomakeussavealotoftimeandenergy.Besides,theyfreeusfromheavyhousework.Butweshouldnotdependcompletelyonthem.Wehumanbeingsshouldmakereasonableuseoft

8、hemsothatwecanrelaxourselvesandfindpleasureandhappinessinourlife.HomeworkReadtwopassagesonP106-1072.Previewreading.Thankyou!