科普类文章（英文）

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Two new fossils were found in China. They are fossils of dinosaurs. The kind os dinosaurs lived 160 million years ago. They are about 3.6 feet tall and 9.8 feet long. Scientists think they are a group of small, meat-eating dionsaurs, with a crest on their head.

They arenamed Guanlong Wucai in Chinese."Guanlong" comes from the crest. People belive the crest isn't for fight but just for show like the peacock.

"Wucai" comes from the rich color of the crest. Scientists guess there are also some feathers on the crest and this makes them think of birds. Maybe they had something the same as birds at the beginning.

Studuing the fossils, from zhe size of them, the stronger legs and the crest, scientists are almost sure they are from the tyrannosaur family. But they are much smaller than tyrannosaurs. Tyrannosaurs are best known from 70 million years ago.if it is ture, wewill say tyrannosaurs were not born in North America.

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