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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
It’s made of plastics and metal.
It looks like a small box with a screen and buttons on it.
With the invention you can contact someone while you are walking.
40
20
30
What is it?
Mobile phone
The inventor is from America.
He is one of the father of inventions.
The inventor invented the bulb.
40
20
30
Who is he?
Edison
This invention looks like a bird.
It’s made of metal.
It makes it possible for people to fly to different places in the world.
It is powered by an engine and is flown by a pilot.
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10
20
40
What is it?