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

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Director
Joined: 15 Aug 2005
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After more than four decades of research and development, a [#permalink]  23 Nov 2005, 05:42
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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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Joined: 28 May 2005
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Location: Dhaka
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Kudos [?]: 67 [0], given: 0

I think A is fine.

could enentually and have the capability together is redundant.

so A is the only option available.
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hey ya......

Director
Joined: 15 Aug 2005
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Location: Singapore
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nakib77 wrote:
I think A is fine.

could enentually and have the capability together is redundant.

so A is the only option available.

For this very reason, I chose A. But A aint the right answer!
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Current Student
Joined: 29 Jan 2005
Posts: 5244
Followers: 23

Kudos [?]: 175 [0], given: 0

Between A and E, I`ll take E because grammatically links the two clauses with the conjustion and. Also, to is not necessary is B.

(E)
SVP
Joined: 24 Sep 2005
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Re: SC - Aircrafts [#permalink]  23 Nov 2005, 06:44
rahulraao 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

+"that could eventually...." should be suitably placed in order to make a noun clause of "a new type of jet engine" . The clause is wronly placed in A and B ---> the two out. Moreover, "to help" in B fails to maintain the sentence's illism.
+ "or helping" in C and D are wrong coz of not maintaining the parallelism.

E it is.
Director
Joined: 04 Oct 2005
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I go for C [#permalink]  23 Nov 2005, 15:42
In E , there is this pronoun it which i am not clear if its referring to the correct subject. C sounds clumsy though..

Manager
Joined: 06 Jul 2005
Posts: 106
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Kudos [?]: 1 [0], given: 0

I picked A first. But based on the above discussion, E sounds more logical because the jet engine being tested is not going to reduce number of fling hours immediately. It will have the capability to do so, provided the test succeeds.

And hence E sounds more logical.
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5079
Location: Singapore
Followers: 21

Kudos [?]: 180 [0], given: 0

E is best.
A,B -> out, 'that' points to tested instead of engine
C,D -> awkward phrasing
Manager
Joined: 23 Apr 2005
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Kudos [?]: 3 [0], given: 0

A is my choice.

propel and help should be parallel.

A = a new type of jet engine 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 is being tested.
SVP
Joined: 14 Dec 2004
Posts: 1707
Followers: 1

Kudos [?]: 46 [0], given: 0

It should be 'E', clear in meaning.

'A' - appears to say that it's "the test" that will propel aircraft anywhere.
Director
Joined: 29 Aug 2005
Posts: 503
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Kudos [?]: 8 [0], given: 0

I vote for E.
A - looks like the testing will propel
B - looks like the testing will propel
C - Usage of ...helping...
D - Usage of ...helping...
E - Correct.

Hence E.

What is the OA??
Director
Joined: 15 Aug 2005
Posts: 804
Location: Singapore
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Kudos [?]: 17 [0], given: 0

Good discussion!
OA is E!
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Cheers, Rahul.

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