The projection of ______ is known as the Frontenac Axis.

The projection of ______ is known as the Frontenac Axis.
A、the Arctic Region
B、the Cordilleran Region
C、the Appalachian Region
D、the Canadian Shield
【正确答案】:D
【题目解析】:The projection of the Canadian Shield is known as the Frontenac Axis. 参见教材P261。