恐龙的全部灭绝发生于哪个时代____________。 -题库考试答案搜索网

恐龙的全部灭绝发生于哪个时代____________。

单选题

2021-12-26 02:02

A、A、奥陶纪
B、B、第三纪
C、C、白垩纪
D、D、寒武纪

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正确答案

C

试题解析

标签：地质学基础地球科学

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