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选修8《Learning about Language》优质课PPT课件下载
have made people's life more convenient and are even changing the world.
Warming-up
China's four great new inventions
Unit 3 Inventors and Inventions
An invention is a unique device(装置), method or process that doesn’t exist in the past but is newly created or designed by people.
Discussion: What is an invention?
Pre-reading
Lamp bulb
computer
DNA
Pre-reading
stages
of invention
Applying for a patent
Finding a problem
Doing research
Testing the solution
Thinking of a creative solution
Deciding on the invention
How do?inventions?happen?
I find out what the world needs. Then I go ahead and invent it. (Thomas Edison)
The Problem of the Snakes
?
How to get rid of the snakes
Necessity is the mother of inventions