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

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Manager
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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
If you have any questions
New!
Director
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06 Apr 2005, 19:46
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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06 Apr 2005, 20:24
E is best. 'it' refers to the engine, propel and boost are parallel
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06 Apr 2005, 20:29
Ywilfred,
Can you please explain why A is wrong??

Boost and propel are parallel there too
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06 Apr 2005, 20:40
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.
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Best Regards,

Paul

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06 Apr 2005, 20:51
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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08 Apr 2005, 18:10
(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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08 Apr 2005, 20:27
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.

"With the exception of adverbial modifiers, all other modifiers should be placed close to the noun that is being modified"
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26 Apr 2005, 06:34
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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26 Apr 2005, 10:26
"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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26 Apr 2005, 18:01
what is OA?

I see that (E) is unnecessarily wordy. It should be (A).
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01 May 2005, 03:09
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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01 May 2005, 07:10

I'd put it as one of the many exceptions to english language rules.

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01 May 2005, 07:18
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,
01 May 2005, 07:18
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