earth hour started in sydney on March 31,2007.M____than two million homes and business 首字母填空
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earth hour started in sydney on March 31,2007.M____than two million homes and business 首字母填空
earth hour started in sydney on March 31,2007.M____than two million homes and business 首字母填空
earth hour started in sydney on March 31,2007.M____than two million homes and business 首字母填空
Earth-hour started in Sydney on march 31,2007 .more than 2.2million homes and businesses turned off their lights for an hour.A year later,on March 29,earth hour 2008 became a global activity and was supported by 50 million people from thirty-five countries this year,on March28,over2100cities in eight countries took part in it .and the Earth- Hour came to china.Theactivity aims to save energy and improve climate.We may have different ways to spend the hour.Come on!Join us in Earth Hour 2013!
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答案现在知道了么。。记得的话告诉我吧
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