My answer is also D.

来源: ntotl 于 2009-12-28 15:17:25 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (250 bytes)
本帖于 2009-12-28 17:49:22 时间, 由版主 林贝卡 编辑

1.The statements above and the claim of the scientists are true
2. Truth 1: all animals that have these characteristics are dinosaurs.
3. Truth 2: all morden birds have such characteristics.
4. Conclusion: morden birds are dinosaurs

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