2. 职称英语
  3. What does the passage mainly discuss? [br] According to the passage, the first p

What does the passage mainly discuss? [br] According to the passage, the first p

游客2023-08-03  73
问题 What does the passage mainly discuss? [br] According to the passage, the first phenomenon to contribute to ’the formation of the Grand Canyon was ______.
选项 A、a series of volcanic eruptions
B、the collapse of rock formations in the Colorado Plateau
C、a succession of floods from the Hualapai River and what is now the Colorado River
D、the earth’s internal pressure lifting the Colorado Plateau region
答案 D
解析
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