青少年教育自助金点子——无声的使命——培养责任感 (Golden Ideas of Self-help Education for Teenagers: An Important Mission - A Strong Sense of Responsibility)
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By 北京未来新世纪教育科学发展中心
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位卑未敢忘忧国。——陆游
公元前628年的春天，驻在郑国都城的秦国大臣杞子派人给秦君送去了一封密信，信上说自己掌管郑国北门的钥匙，并且郑国对秦国没有防备，如果派兵前来偷袭，里应外合，准会成功。
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