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2008年上海市青少年“白猫杯”生活与化学知识竞赛又要开始啦,欢迎大家踊跃参加!参赛对象:小学五年级、预备班和初一年级学生。
2008 Shanghai Youth “White Cat Cup ” life and chemical knowledge contest has begun, welcome everyone to participate! Participants: fifth grade primary school, preparatory classes and freshmen.