对。所以每次作业都是学习的机会。自己学，向别人学。

来源: 天边一片白云于 2021-04-10 04:16:18 [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.

Change Ad Consent