你可能感興趣的試題

The Interior Plains lie between（）and（）

A.the Canadian Shield/the Appalachian Region
B.the Canadian Shield/the Rocky Mountains
C.the Great Lakes/the Arctic Islands
D.the Appalachian Region/the Great Lakes

單項(xiàng)選擇題

The St.Lawrence and（）together form an important transportation network for eastern Canada.

A.the Mackenzie　
B.the Great Lakes
C.the Yukon　
D.the Hudson Bay