OG 12 SC 95题的疑问

longwayahead · 发表于 2012-2-3 16:57:51

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 troughs that remain stationary although the air that forms them is moving rapidly, are known as “standing waves.”
(A) crests and troughs that remain stationary although the air that forms them is moving rapidly, are
(B) crests and troughs that remain stationary although they are formed by rapidly moving air, are
(C) crests and troughs that remain stationary although the air that forms them is moving rapidly, is
(D) stationary crests and troughs although the air that forms them is moving rapidly, are
(E) stationary crests and troughs although they are formed by rapidly moving air, is

单复数比较明确，排除了A 　B　D，但是C　E之间我个人觉得语感上倾向E啊，remain stationary although the air that forms them is moving rapidly不是ｗｏｒｄｙ么？OG上解释不用被动，李希强说不能省ｒｅｍａｉｎ，各位还有什么明确的解释么，谢谢！

wwhxp1 · 发表于 2012-2-3 17:58:54

首先动词单复数肯定是要对的。
发现原句中的are用错了，那么原句就是错的。再看看其他选项中有没有同样的错误èB、D错了【看的时候注意are的动词发出者有没有发生变化。有的题目会在中间把动词发出者偷偷替换掉】
剩下C、E。
两个从语法上是没有什么问题的。
再来看意思。这个意思是要揣摩出要表达神马的。
意思是“crests和troughs是静止的，虽然他们的形成是靠快速移动的气体”，要体现出“虽然他们的形成是靠快速移动的气体，但是他们本身是静止的”这样的对比关系。
接下来看C、E哪个表达出了这个意思。
C的前半句话是没有多大问题的，但是although后面着重强调的意思是这个air是快速移动的（我并没有说没有讲‘形成’这个意思），所要被强调的crests和troughs的形成过程被弱化了。
而E的although后面直接接they，很容易让人明白指的就是crests和troughs。另外，although这个从句就是讲crests和troughs的形成靠的是快速移动的气体。

wwhxp1 · 发表于 2012-2-3 19:10:49

打了那么多字，发现我错了

superbat28 · 发表于 2012-2-3 19:54:06

这题讨论过啊。

http://forum.chasedream.com/GMAT_SC/thread-575381-3-1.html

wwhxp1 · 发表于 2012-2-3 20:09:09

这里也有
http://forum.chasedream.com/GMAT_SC/thread-24466-2-6.html

elwinchase · 发表于 2012-2-3 22:57:26

A B D不说了 C E拉不出来比

(C) crests and troughs that remain stationary although the air that forms them is moving rapidly, is

(E) stationary crests and troughs although they are formed by rapidly moving air, is

C说 crests and troughs 保持静止尽管形成它们的空气运动的很快
E说静止的crests and troughs 尽管它们是被快速运动的空气形成

而原文说的是一个形式 CE说形式的只有C 语义很重要

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