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人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》集体备课PPT课件优质课下载
An invention is something that is ______ by a human being.
A discovery is merely making known something that already _____ in nature.
created
exists
= =
What if some snakes are in your yard？
Reading
The problem of the snakes
蛇的困扰
1. Go though the passage quickly and match the main idea with each part.
Part 1
Part 2
Part 3
Part 4
(Para.1)
Find the problem.
(Paras. 2-3)
Do some research.
(Paras. 4-6)
Three attempts to catch the snakes.
(Paras. 7-8)
Apply for a patent.
2.What does the writer mainly tell us about?
A. Introduces what the problem of snakes is.
B. Tells us how to get patents.