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选修8《Warming up、Pre-reading、Reading、Comprehending》PPT课件优质课下载
Step1：Warming up
Do you know what are the two inventions in the picture?
Cellphone
Computer
Inventors and inventions
Unit 3
What are they famous for?
Newton
gravity
discovered
radium
Madame Curie
discovered
A(n) __________ is something that was
created by human beings not existing before.
invention
A(n) __________is something which already exists but has been found out now.
discovery
Discuss in Groups
What is an invention and what is a discovery?
Discoveries often __________ inventions.
Inventions are often __________ discoveries.
The relationship between them:
lead to
based on