How deep is the Grand Canyon?
举一反三
- 3. The Grand Canyon in the United States is a huge canyon, ____.
- Grand Canyon State refers to _____.
- The carved by the Colorado River is 1.5 kilometers deep, 320 kilometers long and as much as 29 kilometers wide in some places.（3.0分） A: Great Colorado B: Grand Canyon C: Great Divide D: Grand View
- Carl has been to the Grand Canyon before.
- Who is the first explorer traversing Grand Canyon?