【正确答案】正确答案:The "Earth Hour" initiative started in Australia's biggest city Sydney last year when an estimated 2.2 million people flicked the switch—leaving the Sydney Opera House bathed in moonlight and the Harbour Bridge blacked out.
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【T2】
【正确答案】正确答案:"I think it already has become much bigger," he said. "The idea was that anyone could do it, whether they were in a small village in France or a city like Sydney. "
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【T3】
【正确答案】正确答案:He said he hoped Earth Hour provided a "very big visual message" to politicians that climate change must be addressed quickly.