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After more than four decades of research and development, a

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After more than four decades of research and development, a [#permalink] New post 23 Nov 2005, 05:42
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A
B
C
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E

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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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 [#permalink] New post 23 Nov 2005, 05:55
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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 [#permalink] New post 23 Nov 2005, 05:56
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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 [#permalink] New post 23 Nov 2005, 06:35
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)
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Re: SC - Aircrafts [#permalink] New post 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.
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I go for C [#permalink] New post 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..

OA please
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 [#permalink] New post 23 Nov 2005, 16:10
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.
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 [#permalink] New post 23 Nov 2005, 17:54
E is best.
A,B -> out, 'that' points to tested instead of engine
C,D -> awkward phrasing
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 [#permalink] New post 23 Nov 2005, 19:50
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.
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 [#permalink] New post 23 Nov 2005, 20:22
It should be 'E', clear in meaning.

'A' - appears to say that it's "the test" that will propel aircraft anywhere.
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 [#permalink] New post 23 Nov 2005, 20:36
I vote for E.
A - looks like the testing will propel :-D
B - looks like the testing will propel :-D
C - Usage of ...helping...
D - Usage of ...helping...
E - Correct.

Hence E.

What is the OA??
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 [#permalink] New post 24 Nov 2005, 00:44
Good discussion!
OA is E!
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  [#permalink] 24 Nov 2005, 00:44
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