下图是沿60°N所作的地形剖面图。读图回答12~14题。 12.图中表示

下图是沿60°N所作的地形剖面图。读图回答1214题。

12.图中表示中西伯利亚高原的是(  )

A    B    C    D

13.图中各地形区,人口密度最大的是(  )

A①       B②      C③      D

14.冬季,处的气温低于处,其主导因素是(  )

A.纬度位置     B.海陆位置     C.地形      D.洋流

答案

CAB

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