In ancient times, some catastrophic extinction of species occurred ______, but s

游客2025-04-27 31

问题 In ancient times, some catastrophic extinction of species occurred ______, but such catastrophes were comparatively rare.

选项 A、sequentially
B、repeatedly
C、naturally
D、intentionally

答案 C

解析

转载请注明原文地址:http://tihaiku.com/zcyy/4056066.html

相关试题推荐

随机试题

最新回复(0)

Ourspeciesevolvedonthemove.Recentresearchontheeffectsofexercisea