The peaks of a mountain range, acting like rocks in a streambed, produce
ripples in the air flowing over them; the resulting flow pattern, with
crests and troughts that remain stationary although the air that forms them
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
is moving rapidly, are known as "standing waves".
^^^^^^^^^^^^^^^^^^^^^^^
(A)crests and troughts that remain stationary although the air that forms
them is moving rapidly, are
(B)crests and troughts that remain stationary although they are formed by
rapidly moving air, are
(C)crests and troughts that remain stationary although the air that forms
them is moving rapidly, is
(D)stationary crests and troughts although the air that forms them is moving
rapidly, are
(E)atationary crests and troughts although they are formed by rapidly moving
air, is
各位大大
再下用主詞動詞一致原則刪掉了(A)(B)(D)
但是不知道(E)錯在哪裡
OG11對(E)的解釋"the clause following although is awkward and unclear"是什麼意
思?
OG10對(E)的解釋(205題)"it incorrectly introduces a dependent adverbial
although clause into a prepositional phrase(with crests...)"也不是很了解它的意
思。
希望大家能提供一些意見，謝謝大家!
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