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外研2003课标版《Writing》优质课PPT课件下载
What kinds of information can you get from the passage?
Question
The space probe, which reached Saturn last week, has sent back amazing photographs of the planet's famous rings viewed in ultraviolet light.
The pictures show them in shades of blue, green and red.
It is so light and it could float on water--if a big enough ocean could be found!
Information
It was launched in 1997 and its mission was to explore the “gas giant” planet which is the furthest planet to be seen from the Earth without a telescope.
Scientists say the spacecraft's four-year tour of Saturn may tell them how the rings are formed.
It will also study the planet's atmosphere and magnetic field.
Fast-reading
Conclusion
Main points
the main news
extra details
the history
a surprising fact
an expert opinion
the future
Careful-reading
Question
Can you find some useful expressions in the passage?
Expressions
The space probe, which reached Saturn last week, has sent back amazing photographs of the planet's famous rings viewed in ultraviolet light.
The different colours show exactly what the rings are made of...
the blue and green is likely to be a mixture of water and frozen gases.