2. 职称英语
  3. The Chisos Mountains in Big Bend National Park in Texas were created by volcanic

The Chisos Mountains in Big Bend National Park in Texas were created by volcanic

游客2025-04-03  1
问题 The Chisos Mountains in Big Bend National Park in Texas were created by volcanic eruption that occurred______.
选项 A、the area in which dinosaurs roamed
B、when dinosaurs roamed the area
C、did dinosaurs roam the area
D、dinosaurs roaming the area
答案 B
解析 occur是不及物动词，句子的成分已经完整，那么空白处要填的只能是状语．选项中只有B(时间状语when引导时间状语从句)符合状语结构的要求：A如果改为“in thearea which dinosaurs roamed”就对了；C是倒装句，排除；D选项没有状语从句引导词，不能直接用在occur后面。故本题答案为B。
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