我這題的答案是D,我認為D也是非常有道理的

來源: 於 2010-01-01 17:54:58 [舊帖] [給我悄悄話] 本文已被閱讀：次

也是跟fact有關阿,因為The straturn from which the samples came has below the surface of the Earth ever since the Earth came into existence.
不是也說明了這些microorganisms肯定是在地下挖來的不是表麵的嗎?
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