题目
Do you know Earth Hour？Do you know when Earth Hour 2012 （60）t place？
Earth Hour is a global（全球的） event （61）o by the World Wildlife Fund．It's （62）h on the last Saturday of March every year．People turn off their lights for an hour of the day to save energy for Earth．
In 2007，2.2million people in Sydney turned off their lights．They wanted to make the （63）w more aware（意识到的） of the （64）n to take action on climate change．（65）F Sydney's lead，many other （66）c around the world took part in the event in 2008．
Earth Hour China's theme this year is"There is an environmentalist（环保人士） in everyone's （67）h ．"If you want to take part in the Earth Hour activity or you have any good ideas （68）f
how to protect our Earth，you can （69）s them on this website：http://earthhour．org．cn．
Do you know Earth Hour？Do you know when Earth Hour 2012 （60）t place？Earth Hour is a global（全球的） event （61）o by the World Wildlife Fund．It's （62）h on the last Saturday of March every year．People turn off their lights for an hour of the day to save energy for Earth．
In 2007，2.2million people in Sydney turned off their lights．They wanted to make the （63）w more aware（意识到的） of the （64）n to take action on climate change．（65）F Sydney's lead，many other （66）c around the world took part in the event in 2008．
Earth Hour China's theme this year is"There is an environmentalist（环保人士） in everyone's （67）h ．"If you want to take part in the Earth Hour activity or you have any good ideas （68）f
how to protect our Earth，you can （69）s them on this website：http://earthhour．org．cn．
知识点：首字母阅读填空章节：阅读理解 / 阅读理解题型