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# After more than four decades of research and development, a

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Senior Manager
Joined: 08 Nov 2008
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30 Mar 2009, 10:08
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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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Posts: 818
Re: SC - Rand D  [#permalink]

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30 Mar 2009, 13:04
IMO A
parallelism is main issue

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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Manager
Joined: 24 Feb 2007
Posts: 228
Location: nj
Re: SC - Rand D  [#permalink]

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30 Mar 2009, 13:26
I think E

A. tested that could eventually propel aircraft anywhere in the world within two hours or help - wrong placement of adverb
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. - correct use of infinitives
Director
Joined: 01 Apr 2008
Posts: 821
Name: Ronak Amin
Schools: IIM Lucknow (IPMX) - Class of 2014
Re: SC - Rand D  [#permalink]

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31 Mar 2009, 03:01
E for me.
Jet engine will not propel, its 'capability' will propel.
Manager
Joined: 30 Mar 2009
Posts: 232
Re: SC - Rand D  [#permalink]

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31 Mar 2009, 04:13
So what is the true answer ? A or E

I'm also confused between these 2 answers
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Posts: 116
Re: SC - Rand D  [#permalink]

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01 Apr 2009, 17:48
tenaman10 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

A) It requires essential phrase because "aircraft" requires essential description for sentence to follow.
B) wrong - could + have the capability is wordy and not idiomatic.
C) wrong - unidiomatic.
D) wrong - eventually could - wrong.
E) wrong - could + have the capability

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This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: SC - Rand D &nbs [#permalink] 01 Apr 2009, 17:48
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