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After more than four decades of research and development, a [#permalink]
 06 Apr 2005, 19:22
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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
Answer:
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Director
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D is eliminated because "OR" is a conjuction.
Therefore whatever it is combining should be parallel.
D: <and it eventually could propel aircraft anywhere in the world within two hours> -----> Is a clause.
<helping boost cargoes into space at significantly lower costs than current methods permit> ISNT a clause.
E: have the capability is VERBOSE/not needed.
B: have the capability is VERBOSE
C: Before the "OR" you have an independant clause and after the OR you dont have one.
MY OA is A
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GMAT Club Legend
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E is best. 'it' refers to the engine, propel and boost are parallel
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Manager
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Ywilfred,
Can you please explain why A is wrong??
Boost and propel are parallel there too
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A) [...] jet engine is being tested that could eventually propel aircraft anywhere in the world [...]
relative pronoun "that" introduces a restrictive clause and does not modify verb "tested" which it is supposed to modify under the given construction.
_________________
Best Regards,
Paul
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GMAT Club Legend
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perezhan wrote: Ywilfred,
Can you please explain why A is wrong??
Boost and propel are parallel there too
'that' introduces a modifying phrase a jet engine, but by placing it next to 'tested, it seesm to modify the verb rather than the noun.
With the exception of adverbial modifiers, all other modifiers should be placed close to the noun that is being modified.
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Director
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(E)
Portion in Blue is Parallel
and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help...
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Director
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ywilfred wrote: perezhan wrote: Ywilfred,
Can you please explain why A is wrong??
Boost and propel are parallel there too 'that' introduces a modifying phrase a jet engine, but by placing it next to 'tested, it seesm to modify the verb rather than the noun. With the exception of adverbial modifiers, all other modifiers should be placed close to the noun that is being modified. Can someone explain this please
"With the exception of adverbial modifiers, all other modifiers should be placed close to the noun that is being modified"
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VP
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Paul wrote: A) [...] jet engine is being tested that could eventually propel aircraft anywhere in the world [...]
relative pronoun "that" introduces a restrictive clause and does not modify verb "tested" which it is supposed to modify under the given construction.
Hi, all, could you answer me a question?
in choice A, what role does 'that' act and what object does 'that' modify?
thanks
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Manager
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"that" is definately not modifying "tested"
"that" modifies the nearest noun "jet engine"
as paul said "that" introduces a restrictive clause which modifies "jet engine"
E breaks the fluency of the sentence by introducing "and it could eventually have the capability------" though the structure of E is gramatically correct (two independent clause joined by a C conjunction)
apart from this E is wordy.
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Director
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what is OA?
 I see that (E) is unnecessarily wordy. It should be (A).
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Manager
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If A is OA, this structure is quite new. Normally in restrictive clause, "that" modifies the noun right before "that". Howeve, the use of "that" in this case is probably accepted. Let see
... 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.
and see:
... 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.
Although the latter shows the clear modification of that to jet engine, the sentence doesn't look as good as the former does.
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Manager
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The answer should be A.
I'd put it as one of the many exceptions to english language rules.
OA please.
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VP
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wunderbar03 wrote: If A is OA, this structure is quite new. Normally in restrictive clause, "that" modifies the noun right before "that". Howeve, the use of "that" in this case is probably accepted. Let see
... 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.
and see:
... 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.
Although the latter shows the clear modification of that to jet engine, the sentence doesn't look as good as the former does.
nice explanation, 
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