After more than four decades of research and development, a : GMAT Sentence Correction (SC)
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# After more than four decades of research and development, a

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14 Nov 2008, 22:17
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After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help
boost cargoes into space at significantly lower costs than current methods permit.

A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help
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15 Nov 2008, 05:57
Answer A.Because of the following reasons:
1.)is in active voice unlike some passive voice options.
2.)the use of "have the capability" phrase is wordy and not needed in the sentence.
3.)is precise.
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16 Nov 2008, 03:59
stallone wrote:
After more than four decades of research and development, a new type of jet engine is
being tested that could eventually propel aircraft anywhere in the world within two hours
or help
boost cargoes into space at significantly lower costs than current methods permit.

A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help

IMO A) .... have the capability is redundant so B) and E) goes. C) and D) are not parallel.
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16 Nov 2008, 16:10
i marked A as well .... but the source OA is E (dnt know why ???)
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17 Nov 2008, 10:48
I pick A as well surprised at the OA wht is the source??
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17 Nov 2008, 10:54
Parallelism check - a new type of jet engine is being tested that could …. Propel or …could help….

A. tested that could eventually propel aircraft anywhere in the world within two
hours or help
B. tested that could eventually have the capability of propelling aircraft anywhere in
the world within two hours or to help [Not parallel]
C. tested, eventually able to propel aircraft anywhere in the world within two hours,
or helping [Not parallel]
D. tested, and it eventually could propel aircraft anywhere in the world within two
hours or helping[Not parallel]
E. tested, and it could eventually have the capability to propel aircraft anywhere in
the world within two hours or help [It – ???]

Re: sc   [#permalink] 17 Nov 2008, 10:54
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