試題詳解

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(A) With its sturdy back legs, the Utahraptor could probably outrun any other creature.
(B) With such a dangerous build, the T-rex was thought to have been the most terrifying of all carnivorous dinosaurs.
(C) This is because Utahraptors had been dead for fifty million years before the T-rex appeared.
(D) Once a victim was caught, it would be slashed and smashed by the raptor’s claws on the hind feet.