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GMAT Prep Question

Expert replies
by chaitanya.mehrotra » Mon Jul 04, 2011 10:32 am
The ability of scientists to provide models of the atmosphere’s complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions, have become ever more accurate.
A. The ability of scientists to provide models of the atmosphere’s complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions, have become ever more accurate.
B. The ability of scientists has become ever more accurate in providing models of the atmosphere’s complex responses to changing conditions, such as seasonal and daily cycles or different planetary conjunctions.
C. Scientists have become able to provide ever more accurate models of the atmosphere’s complex responses to such changing conditions as seasonal and daily cycles or different planetary conjunctions.
D. Scientists have become ever more accurate in their ability for providing models of the atmosphere’s complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions.
E. Scientists’ ability to provide models of the atmosphere’s complex responses to such changing conditions as seasonal and daily cycles or different planetary conjunctions have become ever more accurate.

Doubt:IS ability of unidiomatic ?. Can somebody explain the approach to such long questions ? These types of questions looks a bit scary .

OA:C
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Source: — Sentence Correction |

by greenshadow » Mon Jul 04, 2011 10:48 am
Such kind of questions, though time taking, are easy as they will have many grammatical issues.

For this question,
1. "ability" is singular and cannot take a plural verb. Hence, "have" cannot be present in the verb. This eliminates A and E.

2. "like" cannot be followed by examples. This eliminates D.

3. "ability of" is not a correct usage. This eliminates B.

Hence, the OA would be C.
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by EducationAisle » Tue Jul 05, 2011 3:14 am
Just a minor correction. B does not use “ability of”, but uses “ability in”. For example, following would be correct:

The ability of a person to endure hardships, is a true indicator of a person’s character.
Ashish
MBA - ISB, GMAT - 99th Percentile
GMAT Faculty @ EducationAisle
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