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# The peaks of a mountain range, acting like rocks in a

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The peaks of a mountain range, acting like rocks in a [#permalink]

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03 Sep 2004, 08:01
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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
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03 Sep 2004, 08:04
C

The resulting flow pattern .........is so C and E is in. C is better then E because the contast shown is as it should be.
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03 Sep 2004, 10:29
Yes I would choose C also.

It is singular, so we have to choose is.
C sounds better than E

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Alex
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09 Sep 2004, 19:49
This SC still gives me nightmares. It's between C and E obviously. But even after reading OG's explanation, I cannot really understand why E is wrong. I am sure that if I see such question during the test, I can easily get confused between C and E. Can somebody explain in a comprehensive way that why E is incorrect.Or if somebody can decipher the grammatical jargon provided in OG for this question.
I would rate this question among the toughest OG SC questions.
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09 Sep 2004, 20:29
C must be it. E does not sound right to me at all
E) the resulting flow pattern, with stationary crests and troughs although they are formed by rapidly moving air, is known as "standing waves".

"although" is supposed to set some contrast. What kind of contrast does "although" sets here? None. The sentence illogically means: Stationary crests and troughs, despite being formed by rapidly moving air... This is out

C establishes the right contrast and compares the right elements. C means that crests and troughs remain stationary despite the air moving rapidly around them. You see the contrast? Despite the movements, they remain stationary.
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Paul

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09 Sep 2004, 20:43
Paul wrote:
C must be it. E does not sound right to me at all
E) the resulting flow pattern, with stationary crests and troughs although they are formed by rapidly moving air, is known as "standing waves".

"although" is supposed to set some contrast. What kind of contrast does "although" sets here? None. The sentence illogically means: Stationary crests and troughs, despite being formed by rapidly moving air... This is out

C establishes the right contrast and compares the right elements. C means that crests and troughs remain stationary despite the air moving rapidly around them. You see the contrast? Despite the movements, they remain stationary.

Correct. In E, you're contrasting the stationary status of the crests/troughs with their formation. The emphasis on the rapid movement of air is lost almost 90% by this. Emphasis on crests and troughs being stationary is also lost about 25% by placing stationary before them.

Grammatically, E is a more concise version of C, which makes it a better choice in those terms. However, you need to balance making your point and being concise. C strikes that delicate balance better.
[#permalink] 09 Sep 2004, 20:43
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# The peaks of a mountain range, acting like rocks in a

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