觉得改得大好，已点出停，于是读者便期待停后所发生的事情，此处引入遇大雁便顺其自然了！！！

来源: 作业本于 2017-04-02 14:35:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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