謝謝您的提醒，那麽下次我就不再添亂了，從您們那裏已經知道答案了。看來教科書娛樂性太強，嚴謹不夠。

來源: 魚行天下於 2014-01-19 04:46:18 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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