哈哈，作業時直接從網上copy&paste的！！！能不得100分嘛！！！

來源: beautifulwind 於 2011-12-01 20:43:07 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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