1、 Unit 1 Living with technologyLeading-in What electrical and electronic products do you have at home?Which do you think is the most useful?Is there anything that you dont think is useful?Why?Do you think these products have made our lives more convenient?Why?What do you think life would be like with
2、out them?Electronic appliancesMP8MP5digital cameracell phoneTV setPSPlaptopDVD refrigeratorwashing machine microwave ovenair-conditionelectric rice cookerelectromagnetic ovenkitchen ventilator (油烟机油烟机)vacuum cleaner How have these electrical and electronic devices improved our lives?Make a group of
3、four and talk about their functions.Device How to improve our lifeTVcell phonerefrigeratorwashing machineDevice How to improve our lifeair-conditionmicrowave ovencomputerMP5/MP8U-diskEarly TV was in black and white and had a poor picture.Speaking What kind of TV do you have at home?What differences
4、can you find between the TV in your home and the TV in this picture?What kind of pictures did early TV have?The development of electric devices:development of TVblack-and-white TVcolour TVLCD screenNow we can record music using computers.In the past what did people need when they wanted to record mu
5、sic?How did people record music?Look at the picture.What devices do people need to record music now?How do people record music using a computer?desktopPalmdevelopment of computerlaptopDictionaries never looked like this before.How do you look up a word in a paper dictionary?How many of you have an e
6、lectronic dictionary?How do you look up a word in such a dictionary?Besides the dictionary,what else can be stored in your electronic dictionary?Which do you prefer,an traditional paper dictionary or an electronic one?And why?development of dictionarydictionaryelectronic dictionaryWith mobile phones
7、,we can keep in touch with others wherever we are.How did people keep in touch in the past?And how do people keep in touch now?Compared with the past,what are the advantages of mobile phones?What recent developments have been made to mobile phones?development of communicationletter/telegramtelephone
8、beepercell phoneAre there any common advantages of these electrical and electronic devices?are invented to meet peoples needs improve peoples lives to some degree make peoples lives more convenient and easier be developing very quicklyCan you think of the disadvantages or possible disadvantages of t
9、hese electrical and electronic devices?The radiation from some of the electrical and electronic devices,such as mobile phones,may be harmful to peoples health.When people buy new electrical or electronic devices,they throw away the old ones.This may generate large amount of waste,which is harmful to the environment.1.What can our human beings benefit from the development of electric and electronic appliances?Can we depend on these appliances completely?2.Take one of the electronic devices as an example.How have it changed over time?3.How have these inventions improved peoples lives?Homework
