非常感谢大家的回帖。第一次发贴，而且这个问题已经困扰了我很久。

来源: tomato7 于 2007-09-24 17:46:06 [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.