调查了多少人？被调查对象？有没有代表性？

来源: 讲不清于 2009-10-13 09:06:10 [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.