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# QOTD: Under high pressure and intense heat, graphite, the most stable

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QOTD: Under high pressure and intense heat, graphite, the most stable  [#permalink]

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05 Feb 2018, 12:05
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Difficulty:

25% (medium)

Question Stats:

67% (00:41) correct 33% (00:44) wrong based on 475 sessions

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Verbal Question of The Day: Day 220: Sentence Correction

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Under high pressure and intense heat, graphite, the most stable form of pure carbon, changes into the substance commonly referred to as diamond and remaining this way whether or not the heat and pressure are removed.

(A) remaining this way whether or not
(B) remaining like that even as
(C) remaining as such whether or not
(D) remains in this way although
(E) remains thus even when

https://www.nytimes.com/2001/05/22/science/with-a-mighty-squeeze-nitrogen-is-transformed.html

The transformation is similar to that of carbon. Under high pressure and intense heat, graphite, the most stable form of pure carbon, changes into diamond and remains diamond even when the heat and pressure are taken away.

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Re: QOTD: Under high pressure and intense heat, graphite, the most stable  [#permalink]

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10 Feb 2018, 01:15
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Quote:
(A) remaining this way whether or not

For starters, the parallelism doesn’t make any sense. The parallelism trigger “and” is followed by “remaining”, and there’s no “-ing” modifier that could possibly be parallel to “remaining.”

Also, “whether or not” is apparently considered redundant on the GMAT. “Whether” is enough, and the “or not” is just a waste of words.

For whatever it’s worth, I’m also not crazy about the phrase “in this way.” But I’ll say more about that at the end of the explanation.

In any case, the parallelism alone is enough to eliminate (A).

Quote:
(B) remaining like that even as

(B) has the same parallelism problem as (A). See above for more on that issue.

Plus, the phrase “like that” is a little bit suspect here. I think “that” is trying to act as a singular pronoun (more on “that” in this article and in this video), and it presumably refers to “diamond.” So we have: “graphite… (remains) like a diamond even as the heat and pressure are removed.” Nope, the graphite IS a diamond – it’s not “like a diamond” or “like diamond.”

So (B) is gone.

Quote:
(C) remaining as such whether or not

(C) has the same two problems as (A): the parallelism is wrong, and “whether or not” isn’t really the GMAT’s favorite phrase. See the explanation for (A) for more on these issues.

I’m not sure that the phrase “as such” is completely wrong, for whatever it’s worth. I think it’s awkward and clunky and a little bit antiquated, but I wouldn’t eliminate (C) based solely on that phrase. Fortunately, we have plenty of completely concrete reasons to get rid of (C).

And now things get nasty.

Quote:
(D) remains in this way although
(E) remains thus even when

The parallelism is fine now! We have “graphite… changes into… diamond and remains…” That’s cool.

So what’s the difference between (D) and (E)? There are only two things, and both are pretty subtle.

First, “in this way” in (D) is pretty goofy. I guess the phrase “this way” is trying to refer to the fact that the substance is now a diamond? I can’t be certain that it’s WRONG, but it’s awfully weird to say “graphite remains in this way” when we’re trying to say “graphite remains a diamond.” How is being a diamond “a way”? That doesn’t make much sense. In (E), “thus” sounds pretentious, but it can reasonably refer back to “as a diamond.”

The other problem is a little bit clearer. The underlined portion in (D) ends with “although”, which basically means “despite the fact that” – so (D) is saying that the substance remains a diamond “despite the fact that the heat and pressure are removed.” (E) says that the substance remains a diamond “even when the heat and pressure are removed.”

That might seem like a really tiny difference, but (E) makes more sense. The point is that the substance remains a diamond even after the heat and pressure are removed – after all, you wouldn’t wear a hot, pressurized diamond in a ring, right? There’s no reason to emphasize the idea that it remains a diamond despite being removed from the heat.

So it’s probably a little bit unsatisfying, but (E) is our answer.
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##### General Discussion
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Joined: 05 May 2017
Posts: 1
Re: QOTD: Under high pressure and intense heat, graphite, the most stable  [#permalink]

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15 Feb 2018, 01:18
1
In D, "although" is not correct as suggested above. I am not sure "this way" is acceptable as it is vague usage.
In E, "thus" can be replaced with "so" and vice versa.

I had a car, thus, I drove.
I had a car, so I drove. (No change in meaning)

Thus, (So,) E is much better choice than D.
Please correct me if wrong.
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Joined: 29 Jun 2017
Posts: 418
Re: QOTD: Under high pressure and intense heat, graphite, the most stable  [#permalink]

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06 Aug 2018, 09:00
realize meaning/logic error require us to slow down. this process can not be fast.
although shows a contradiction or an unusual thing.
athough learning hard, he fail on gmat

this is unusual thing.

so, although is not fit logically inhere. d is gone
Re: QOTD: Under high pressure and intense heat, graphite, the most stable &nbs [#permalink] 06 Aug 2018, 09:00
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# QOTD: Under high pressure and intense heat, graphite, the most stable

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