OG 205

honeydd · 发表于 2010-6-4 12:44:43

认可这个解释

我觉得就算B选项后面是is, 也不对。语法上来说是对的，但它没有完全忠实原句的意思。原句里强调一个对比关系，即remain stationary和形成它的风是rapidly的两个状态的对比。它表达的意思是，crests 是不动的，稳定的，虽然form它们的air是moving rapidly. 如果换成B, 这层意思就没有了，剩下的只是， crests是moving air形成的这个信息。个人觉得，每一个选项的改写都要遵从原句的合理逻辑关系和合理重心，即使差别再微小。

-- by 会员 iewnait (2009/5/20 13:09:00)

loveumyangel · 发表于 2010-10-15 22:24:28

这道题做了多少遍的OG，就错了多OG少遍。。。就是搞不懂although的用法。。。觉得40楼的讲的很在理。。不过还需要自己消化一下。。。

毛毛的臭脚丫 · 发表于 2011-4-2 13:49:45

十分感谢！

wtylys · 发表于 2011-7-7 22:32:26

[quote]
205. The peaks of a mountain range, acting like rocks in a streambed, produce ripples（波纹） 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 [although引导的状语从句只能用于引导含动词的结构，如修饰名词性词组，将失去修饰对象]

状语只能修饰动词、形容词，不能修饰名词性词组；
D\E都是名词性词组，缺乏C中的remain .... ,因此，此后的although无修饰对象。

看了20分钟，终于明白。。。。

[此贴子已经被作者于2007-8-9 23:46:22编辑过]

-- by 会员 vivian_huang (2007/8/9 23:45:00)

正解啊，赞一下！！！

cynthia628 · 发表于 2011-7-27 08:49:38

以下是引用joywzy在2003-11-13 10:48:00的发言：
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."

题干中的acting like是怎么个使用方法？我只记得有act as这个使用方法阿？难道说act后面跟as和like都可以，都表示比较，只是as接句子like接名词吗？
希望大家解答

-- by 会员 yaoshuming (2007/1/22 18:12:00)

like在GMAT中唯一词性是介词，唯一意思是“像”表比较。as在GMAT中可作连词可作介词：作连词时，表“像，正如”引导比较状从，后面加句子。作介词时，表“作为”，后面加名词或者名词短语。
本题中like表“像”，如果是用as，因为后面跟的是名词，只能表示作为，这样就不符合句意了。不要把这里的act...as/act...like看做固定搭配，这就是一个动词后面加上介词短语的结构。

geniealice · 发表于 2011-10-8 10:46:23

205. The peaks of a mountain range, acting like rocks in a streambed, produce ripples（波纹） 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

答案是C
我的问题是如果B项are改成is，也就是改成crests and troughs that remian stationary although they are formed by rapidly moving air, is对不对呢？
请各位指教~~

-- by 会员 zjqzjq (2009/3/2 15:33:00)

UP~ 关于although状语从句修饰adj、v的部分已经明白了。
OG上解释有这么一句话：
The subordinate clause in the passive voice following although is awkward and unclear。
在CE选项的解释里都有。不太明白，是说although引导的句子用被动不好吗？？？为啥？？？

EmilyYoung90 · 发表于 2012-1-22 21:19:52

同UP，既然BE上都有，说明即使有remain that 还是awkward，那although到底怎么用？？

dreamistrue · 发表于 2012-5-19 10:29:24

太感谢了，这道题我还以为是坑爹的XDF说的有remain的句子绝对不能删掉remain的思路！原来是although的用法！！

dreamistrue · 发表于 2012-5-19 10:30:47

这是manhattan上ron的解释，贴上来给大家，他强调了第一个是平行结构，第二个是although的用法。 You forgot to say which three choices you eliminated. By process of elimination (heh) I'll assume that you eliminated ABD based on the mismatch between singular subject ('flow pattern') and plural verb ('are'), leaving CE.

C is better than E for at least 2 reasons:
(1) There's better parallelism between the 2 principal parts (crests...stationary and air...rapidly)
(2) incorrect use of 'although' in the subordinate clause: 'although' has to separate a CLAUSE (with a verb) from another CLAUSE (with a verb). 'Stationary crests and troughs' doesn't have a verb.

lance0328 · 发表于 2013-3-22 10:31:51

好贴！忍不住想顶一下，解决了一个大问题！

OG 205

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