4月20日，我国四川雅安发生特大地震，给人们的生命和财产安全带来重大损失。灾后人们纷纷伸出了援助之手。请你以校委会的名义用英语写一份80字左右的倡议书，开头和结尾已给出，不计入总词数。
要点提示：(1)地震带来重大损失：①摧毁了(destroy)村庄；②人们失去了良田和家园；③数百人失去生命；
(2)人们纷纷献出爱心，急忙给灾区人民提供了食物和衣服；
(3)作为中学生我们应该做什么……
Dear schoolmates,
On April 20, An earthquake hit Yaan Sichuan. It brought a great loss to the people there.
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If everyone gives a hand , our world will become much more beautiful .
School committee