Originally developed for detecting air pollutants, a : GMAT Sentence Correction (SC)
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# Originally developed for detecting air pollutants, a

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Originally developed for detecting air pollutants, a [#permalink]

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30 Jan 2005, 21:29
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Originally developed for detecting air pollutants, a technique called proton-induced x-rays emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeologyl and criminorlogy.

(A) Originally developed for detecting air pollutants, a technique called proton-induced x-rays emission, which can quickly analyze the chemical elements in almost any substance without destroying it
(B) Originally developed for detecting air pollutants, having the ability to analyze the chemical elements in almost any substance without destroying it, a technique called proton-induced x-rays emission
(C) A technique originally developed for detecting air pollutants, called proton-induced x-rays emission, which can quickly analyze the chemical elements in almost any substance without destroying it
(D) A technique originally developed for detecting air pollutants, called proton-induced x-rays emission, which has the ability to analyze the chemical elements in almost any substance quickly without destroying it,
(E) A technique originally developed for detecting air pollutants and has the ability to analyze the chemical elements in almost any substance quickly and without destroying the substance, called proton-induced x-rays emission,
If you have any questions
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30 Jan 2005, 21:57
Though I don't find any of the sentences well written but I think inthis case I will go with A.

Saurabh Malpani
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30 Jan 2005, 22:21
(A) Originally developed for detecting air pollutants, a technique called proton-induced x-rays emission, which can quickly analyze the chemical elements in almost any substance without destroying it

OK. Use of correct modifier. 'Originally developed for detecting air pollutants modifies' 'a technique'

(B) Originally developed for detecting air pollutants, having the ability to analyze the chemical elements in almost any substance without destroying it, a technique called proton-induced x-rays emission

Modifier problem. 'Originally developed for detecting air pollutants' needs to modify a noun that follows it. Here having follows the modifier.

(C) A technique originally developed for detecting air pollutants, called proton-induced x-rays emission, which can quickly analyze the chemical elements in almost any substance without destroying it

Modifier problem. A technique originally developed for detecting air pollutantsneeds to modify a noun that follows it. Here it is modifying called

(D) A technique originally developed for detecting air pollutants, called proton-induced x-rays emission, which has the ability to analyze the chemical elements in almost any substance quickly without destroying it,

Modifier problem. A technique originally developed for detecting air pollutantsneeds to modify a noun that follows it. Here it is modifying called

(E) A technique originally developed for detecting air pollutants and has the ability to analyze the chemical elements in almost any substance quickly and without destroying the substance, called proton-induced x-rays emission,

Use of has is wrong
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31 Jan 2005, 06:11
A seems fine. though i want to know why is E incorrect?
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31 Jan 2005, 07:23
my choice is A with proper modifier (originally develop... technique...) and proper reference (substance and it). nonetheless, i think the proximity of it with substance and elements are a bit confusing. It can be argued as unclear reference.

nonetheless, I think e can be correct too. The biggest proper is proper modification. I think the uage of has is okay.

Any opinion
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31 Jan 2005, 08:06
I think even "A" has an issue of pronoun reference "it"...is the "it" refering to the substance or the chemical elements ??? Thoughts plz...
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31 Jan 2005, 08:25
OA is (A). I'd like to see more discussion about why the others are wrong.
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01 Feb 2005, 16:01
I agree with why (A) could be right but i don't see anything wrong with (E). We need the experts to break this down pls
01 Feb 2005, 16:01
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