【单选题】Grand Canyon How was the Grand Canyon formed? The truth is that no one knows for sure though there are some pretty good guesses, and it is usually thought that a number of processes combined to create...
【单选题】The Grand Canyon 大峡谷 The Grand Canyon, exceptionally deep, steep-walled canyon in northwestern Arizona, is excavated by the Colorado River. The Grand Canyon is 446 km long, up to 29 km wide, and more ...
B.
The Grand Canyon National Park covers a part of the canyon and plateau areas on both sides of it.
C.
The most impressive part of the canyon is just beside the Grand Canyon National Park.
D.
The Grand Canyon National Park contains towering buttes, mesas and the whole valleys.