送交者: meiyou 于 2007-12-21, 20:22:08:

回答: 清华,北大, 近亲繁殖 由 sssa 于 2007-12-21, 14:21:27:

• So what? Don't you know 北京医科大学 is part of PKU? (无内容) - 008 (0 bytes) 2007-12-21, 22:44:32 (193960)
  • mm, did not know that (无内容) - meiyou (0 bytes) 2007-12-22, 08:12:25 (193976)

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