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1. Till now, serious damage ____________________ (ÒýÆð) by a powerful earthquake which swept across Wenchuan in Sichuan Province on May 12, 2008. (cause)
2. After the meeting, Premier Wen Jiabao walked onto the platform, seated himself in a chair and ____________________ (×¼±¸»Ø´ðÎÊÌâ). (prepare)