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正确答案B
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正确答案B
