以前是要求三年，现在规定已经改了

来源: xiaobaitu 于 2007-06-25 12:44:59 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.