Welcome to the unit
Teaching aims:
1. students will be able to list the electrical appliances and electronic devices they have at home;
2. students will be able to talk about how modern technology affects their lives;
3. students will be able to take an overall attitude and discuss its advantages and disadvantages;
4. students will be able to use their imagination to create the ideas of their own invention. Teaching procedures: Step 1 Warming up
Can you make a list of the electrical appliances and electronic devices you have at home?
electrical appliances: a machine, usually one that is electrical, that is used for doing jobs in the home, such as washing clothes or cooking.
Most homes now have numerous electrical appliances, from dishwashers to microwave ovens.
electronic devices: a usually small piece of equipment, especially advanced electronic equipment. Some cars are fitted with a safety device which won’t let the car start unless passengers are wearing seat belts. • • • •
Step 2 Talking about your experience How have they changed our life?
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Microwave ovens Refrigerators TV sets Digital camera
“Personally, I think the invention that has greatly changed our life is __________ because __________.”
What contributed to these great inventions? A. The development of science and technology. B. … C. …
Step 3 Sharing your opinions
1. Do you agree with the following statements? (Please specify.)
(1) Technology has seen some amazing developments in the last few decades. (2) Technological inventions have greatly improved people’s lives. advantages and disadvantages positive effects and negative effects pros and cons
2. If you were an inventor, what would you like to invent? For study For entertainment For the household Step 4 Homework 1. Write a short passage about what you’d like to invent and why. 2. Workbook Page106-107 Reading A, B. 3. Preview Reading (Page2-4).
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