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人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》最新PPT课件优质课下载
Imaginative
Determined
Patient …
How to be a good inventor?
However hard it is, they never give up.
What are they famous for?
Newton
gravity
discovered
Benjamin Franklin
A lightning flash is electricity.
discovered
Stephenson
the train
invented
radium
Madame Curie
discovered
Zhang Heng
the seismograph
地动仪
invented
An invention is ___________________
_________________.
A discovery is ____________________