(单选题)10: The river that serves as the dividing line between the South and the North of the United States is().
A: the Columbia River
B: the Potomac River
C: the Ohio River
D: the Colorado River
(责任编辑:admin) |
(单选题)10: The river that serves as the dividing line between the South and the North of the United States is().
A: the Columbia River
B: the Potomac River
C: the Ohio River
D: the Colorado River
(责任编辑:admin) |