問題詳情
【題組】6. Why does the author mention rock type, hardness, and size in lines 22-23?
(A) To describe the development of European geology
(B) To explain the differences between mudstone and sandstone
(C) To introduce the new theories that were about to emerge in the 1800's
(D) To summarize the characteristics thought to distinguish mountain types
參考答案
答案：D
難度：適中0.640845
統計：A(3),B(23),C(22),D(91),E(0)