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underline the main
idea of the passage .
(读短文二到四小节，选出文章主要内容
并在文中划出。)
What else do you know?
a. We can save the energy in Earth Hour.
b. Earth Hour is only held（举行） in Australia.
c. More and more（越来越多） people take part
in（参加） the Earth Hour.
d. People have different ways to spend the
hour.
e. People in China don’t take part in the Earth Hour.
a. We can save the energy in Earth Hour.
b. Earth Hour is only held（举行） in Australia.
c. More and more（越来越多） people take part
in（参加） the Earth Hour.
d. People have different ways to spend the
hour.
e. People in China don’t take part in the Earth Hour.
More and more people take part in the Earth Hour. In 2007 more than 2.2 million homes and shops turned off their lights. A year later, on March 29th, Earth Hour 2008 became a global activity and was supported by 50 million people from thirty-five countries. On March 28th, 2009 another eight countries, more than
800 million people took part in it. Earth Hour came to China on that day, too.
Year
People
Country
2007
2.2 million (百万）
Earth Hour started in Australia on March 31st, 2007.
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…
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