When did dinosaurs become extinct?A.300 million y
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When did dinosaurs become extinct?
A.300 million years ago.
B.250 milliOn years ago.
C.60 million years ago.
D.65 million years ago.
热搜:y理论和x理论的区别
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答案:D
由文章第三段倒数第二句话“He ignored the extinction which wiped out the dinosaurs 65 million years ago …”可知,恐龙是在6500万年前灭绝的。故选D。
