BACCB
1.根據It is a global event …… pay more attention to climate change.這句可知選B。
2.根據短文第一句,Lights went out for an hour ……on March 28 for Earth Hour 2010. went out熄滅的意思,故選A。
3.根據這句Australia first held Earth Hour in 2007可知選C。
4.在第一段中提到悉尼歌劇院,海港大橋、埃菲爾鐵塔和倫敦議會兩院,最后一段提到上海東方明珠電視塔和北京的鳥巢,共有六個著名地標,故選C。
5.根據It is a global event created by the WWF(World Wildlife Fund) t……這句可知選B。