Living with technology

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Presentation transcript:

Living with technology Module 7 Unit 1 Living with technology

Leading-in What electrical and electronic products do you have at home? Which do you think is the most useful? Is there anything that you don’t think is useful? Why?

TV set remote control

refrigerator washing machine

microwave oven air-condition

iron vacuum cleaner

electromagnetic oven electric rice cooker

desktop laptop

digital camera microphone

MP3 MP4

telephone cellphone

electronic calculator tape recorder

electric fan hair dryer

are invented to meet people’s needs Are there any common advantages of these electrical and electronic devices? are invented to meet people’s needs improve people’s lives to some degree make people’s lives more convenient and easier be developing very quickly

Timeline What can you conclude from the timeline? electric fan TV(black-and-white) 1985 refrigerator 1986 washing machine 1990 TV(colour) 1997 air-condition 2001 mobile phone(with basic functions) 2004 mobile phone(with MP3 and camera) What can you conclude from the timeline?

development of TV The development of electric devices: colour TV black-and-white TV development of TV LCD screen

laptop desktop Palm development of computer

dictionary electronic dictionary development of dictionary

development of communication beeper telephone letter/telegram cellphone

Discussion: 1.What can our human beings benefit from the development of electric and electronic appliances? 2.Can we depend on these appliances completely?

Summary With people’s hard work and intelligence, human beings own lots of useful and handy electric and electronic devices.These devices do make us save a lot of time and energy. Besides, they free us from heavy housework. But we should not depend completely on them. We human beings should make reasonable use of them so that we can relax ourselves and find pleasure and happiness in our life.

Homework Preview reading.

Thank you!