問題詳情
1.大約在25,000年前，淡水河襲奪古石門溪，形成現在的大漢溪。大漢溪侵蝕力增強，在沿岸形成不少河階。因流量增加形成的河階主要出現在下列何種地形上？
(A)改向河
(B)斷頭河
(C)襲奪河
(D)反向河。
(A)改向河
(B)斷頭河
(C)襲奪河
(D)反向河。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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