TF阅读真题第850篇The Australian Megafauna Extinctions

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TF阅读真题第858篇Late Classic Maya Agriculture

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WS 049C2

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Tyrannosaurus rex: Predator or Scavenger? Tyrannosaurus rex was among the largest of the theropods, a group of mostly carnivorous (meat-eating) dinosaurs that roamed the Earth dur...

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