M7 Unit1 Living with technology
Lead-in: _________ plays an important role in exploring the unknown fields and realizing the dreams of our ancestors (祖先). Science and technology
1. Technology has seen some amazing developments in the last few decades. 2. Technological inventions have greatly improved people’s lives. What electric goods and electronic appliances( 电器 ) do you have at home?
TV set remote control
refrigerator washing machine
microwave oven air conditioner
flatiron vacuum cleaner
electric rice cooker electromagnetic oven
desktop laptop
digital camera DVD microphone
MP4 MP3
cell phone mobile phone telephone
tape recorderelectronic calculator
electric fan hair dryer
Timeline 1982 electric fan 1984 TV(black-and-white) 1985 refrigerator 1986 washing machine 1990 TV (colour) 1997 air-conditioner 2001 mobile phone(with basic functions) 2004 mobile phone(with MP3 and camera) What can you conclude from the timeline? development
The development of electric devices: development of TV black-and-white TV colour TV LCD screen
desktop laptop palm development of computer
development of dictionary dictionary electronic dictionary
development of communication letter/telegram telephone beeper cell phone
development of camera mobile phone with a camera digital camera camera
development of audio( 音响 ) device gramophone( 留声机 ) radio/tape recorder
MD walkman CD player MP3 MP4
development of fan fan air conditioner electric fan
1. amazing development 2. in / during/ over the last/past few decades 3. keep in touch with 4. over time 5. electronic devices 6. improve people’s lives 1. 惊人的发展 2. 在过去的几十年 3. 与 … 保持联系 4. 随着时间的流逝 5. 电子设施 6. 改善人们生活
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.
Summary 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 1.Read two passages on P Preview reading. 3. Unit Revision: Period 1.