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?

Do you think these products have made our lives more convenient? Why? What do you think life would be like without them?

Electronic appliances MP4 MP3

digital camera cell phone

TV set PSP

laptop DVD

refrigerator washing machine

microwave oven air-condition

electric rice cooker electromagnetic oven

kitchen ventilator ( 油烟机 ) vacuum cleaner

How have these electrical and electronic devices improved our lives? Make a group of four and talk about their functions.

DeviceHow to improve our life TV cell phone refrigerator washing machine

DeviceHow to improve our life air-condition microwave oven computer MP3/MP4 U-disk

Early TV was in black and white and had bad fuzzy pictures. Speaking

What kind of TV do you have at home? What differences 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 TV black-and-white TV colour TV LCD screen

Now we can record music using computers.

In the past what did people need when they wanted to record music? 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?

desktop Palm development of computer laptop

Dictionaries never looked like this before.

How do you look up a word in a paper dictionary? How many of you have an electronic 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 dictionary dictionary electronic dictionary

With mobile phones, 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 communication letter/telegram telephone beeper cell phone

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

Can you think of the disadvantages or possible disadvantages of these electrical and electronic devices?

The radiation from some of the electrical and electronic devices, such as mobile phones, may be harmful to people’s 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. Do you think watching TV and listening to music are important to you? Why? 3. Take one of the electronic devices as an example. How have it changed over time? 4. How have these inventions improved people’s lives?

Go over the content in this lesson. Preview the next period, especially the new words in the instructions or requirements but not included in the wordlist. Homework