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JJ
 
 

After more than four decades of research and development

by JJ Wed May 14, 2008 7:20 pm

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


OA is A. WHY?? tested following that?
RonPurewal
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Re: After more than four decades of research and development

by RonPurewal Thu May 22, 2008 7:32 am

JJ 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


OA is A. WHY?? tested following that?


you've just learned a new thing - the gmat sometimes places 'that' modifiers after the verb. i'm with you on thinking that this is rather awkward, BUT imagine the way the sentence would look if you placed the 'that'-modifier in its usual place:
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.
i dare you to understand what that sentence means without reading it 3-4 times - there is approximately six miles of text between 'a new type of jet engine' and 'is being tested'. so apparently, the gmat follows the rule that a modifier that doesn't contain any punctuation can't be allowed to place too much distance between a subject and its verb. notice the distinction: if you have a 'which' modifier, which is preceded and followed by commas, then that modifier can be inserted between the subject and verb even if it's miles long (because the commas elucidate the structure, thereby preventing the obfuscation shown above).

--

here are some major problems with the other answers (not meant to be an exhaustive list)
(b) bad parallelism: have the capability vs. to help
(c) bad parallelism: able to propel vs. helping; also, the hypothetical ('could') has been lost completely
(d) bad parallelism again; also, 'and' is an inappropriate conjunction (makes it seem as though two unrelated, or distantly related, things are being discussed)
(e) ridiculously wordy; same problem with 'and' as in (d) <-- edited
kv_ajay
 
 

by kv_ajay Thu Oct 23, 2008 10:54 pm

The OA according to SET i have is E not A.

My question is why E would be correct since the answer choice has IT without clearly referring to test or new type of jet engine or four decades or research..
or May be I am understanding it incorrectly..
RonPurewal
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by RonPurewal Tue Nov 11, 2008 9:51 pm

kv_ajay Wrote:The OA according to SET i have is E not A.

My question is why E would be correct since the answer choice has IT without clearly referring to test or new type of jet engine or four decades or research..
or May be I am understanding it incorrectly..


ok people. are we sure that this is actually a genuine, official gmatprep verbal question?

this problem should not be posted in this folder unless it's actually from the gmatprep software.
* if it's from another source, please provide an attribution, and i'll move the thread into the appropriate folder.
* if it's really from gmatprep, then please (one of the posters on this thread) post a screen shot of the problem, with the official answer. there is no reason why gmatprep problems should have multiple oa's.

thank you.
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Re: After more than four decades of research and development

by thanghnvn Wed Dec 07, 2011 5:55 am

Thank you, Ron, members.

you said "and it" is wrong because it seems there are two things. I quite agree. But, in OG book, "and it" is said to create "run-on" sentence. Pls, explain run-on sentence. Thanks.
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Re: After more than four decades of research and development

by RonPurewal Sat Dec 10, 2011 5:50 am

thanghnvn Wrote:Thank you, Ron, members.

you said "and it" is wrong because it seems there are two things. I quite agree. But, in OG book, "and it" is said to create "run-on" sentence. Pls, explain run-on sentence. Thanks.


a run-on sentence is a construction in which 2 separate sentences (independent clauses) are just stuck together, either by a comma or by nothing at all (just glued to each other).

for instance:
you can go now; i'm home --> not a run-on; a semicolon has the same function as a period.
you can go now, i'm home --> run-on
you can go now i'm home --> run-on

the OG also explains the concept of "run-on sentence" on page 653 of the text.

--

in any case, i believe that you are misquoting the OG, as it's impossible to create a run-on sentence with "and". (in fact, the use of constructions such as "and" is a common way of avoiding run-on sentences.)

if the OG really does make the claim you're saying it makes, then please give a specific page reference or problem number. thanks.
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Re: After more than four decades of research and development

by mcmebk Thu Jul 05, 2012 1:01 pm

RonPurewal Wrote:
JJ 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


OA is A. WHY?? tested following that?


you've just learned a new thing - the gmat sometimes places 'that' modifiers after the verb. i'm with you on thinking that this is rather awkward, BUT imagine the way the sentence would look if you placed the 'that'-modifier in its usual place:
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.
i dare you to understand what that sentence means without reading it 3-4 times - there is approximately six miles of text between 'a new type of jet engine' and 'is being tested'. so apparently, the gmat follows the rule that a modifier that doesn't contain any punctuation can't be allowed to place too much distance between a subject and its verb. notice the distinction: if you have a 'which' modifier, which is preceded and followed by commas, then that modifier can be inserted between the subject and verb even if it's miles long (because the commas elucidate the structure, thereby preventing the obfuscation shown above).

--

here are some major problems with the other answers (not meant to be an exhaustive list)
(b) bad parallelism: have the capability vs. to help
(c) bad parallelism: able to propel vs. helping; also, the hypothetical ('could') has been lost completely
(d) bad parallelism again; also, 'and' is an inappropriate conjunction (makes it seem as though two unrelated, or distantly related, things are being discussed)
(e) ridiculously wordy; same problem with 'it' as in (d)


Anyone can comment on the usage of "could"?

Could can be used in two cases, 1 as the past tense of can; 2 in an subjunctive mood, dont think it is correctly used in either of these two situations.

I doubted any answers in this question is correct, as it is not a proven GMATprep problem.
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Re: After more than four decades of research and development

by jlucero Sat Jul 07, 2012 4:33 pm

mcmebk Wrote:Anyone can comment on the usage of "could"?

Could can be used in two cases, 1 as the past tense of can; 2 in an subjunctive mood, dont think it is correctly used in either of these two situations.


Here, could is being used in the subjunctive: a jet engine that could (hypothetically) propel aircraft.

mcmebk Wrote:I doubted any answers in this question is correct, as it is not a proven GMATprep problem.


Agreed. A quick google search shows that the same question has been asked on several other forums and there is not a consensus on source. If anyone can verify the source, please post.
Joe Lucero
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Re: After more than four decades of research and development

by sadaf.marefat Sun Feb 17, 2013 5:27 am

E is not correct: could & capability ... redundancy
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Re: After more than four decades of research and development

by jnelson0612 Fri Mar 01, 2013 10:58 pm

sadaf.marefat Wrote:E is not correct: could & capability ... redundancy


Yes. E actually has a few problems. However, it's difficult to do much with this question since it doesn't seem to be an official GMAT question.
Jamie Nelson
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Re: After more than four decades of research and development

by manhhiep2509 Fri Nov 01, 2013 11:51 am

RonPurewal Wrote:
JJ Wrote:here are some major problems with the other answers (not meant to be an exhaustive list)
(b) bad parallelism: have the capability vs. to help
(c) bad parallelism: able to propel vs. helping; also, the hypothetical ('could') has been lost completely
(d) bad parallelism again; also, 'and' is an inappropriate conjunction (makes it seem as though two unrelated, or distantly related, things are being discussed)
(e) ridiculously wordy; same problem with 'it' as in (d)


I confirm that the question is official since I came across it in GMAT Prep in the morning.
--
What is the problem with "it" in the answer choice E? I see that it properly refers to "a new type".

Thank you.
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Re: After more than four decades of research and development

by tim Thu Nov 07, 2013 1:13 pm

Because there is so much confusion about whether this is an actual GMAT Prep question, we'll need to put any further discussion on hold until someone can post a screenshot from the actual software so we can verify it for sure.
Tim Sanders
Manhattan GMAT Instructor

Follow this link for some important tips to get the most out of your forum experience:
https://www.manhattanprep.com/gmat/forums/a-few-tips-t31405.html
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Re: After more than four decades of research and development

by waqas9 Wed Dec 04, 2013 4:34 pm

tim Wrote:Because there is so much confusion about whether this is an actual GMAT Prep question, we'll need to put any further discussion on hold until someone can post a screenshot from the actual software so we can verify it for sure.


http://i.imgur.com/xUr3hAk.jpg
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Re: After more than four decades of research and development

by RonPurewal Thu Dec 05, 2013 11:13 pm

manhhiep2509 Wrote:What is the problem with "it" in the answer choice E? I see that it properly refers to "a new type".

Thank you.


There's no problem with "it". I mistakenly wrote "it" where I meant to write "and".

I have edited my original comment (second post on this thread). The edit is in purple.
"It" is not problematic.
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Re: After more than four decades of research and development

by TooLong150 Tue Sep 30, 2014 9:19 am

Can any one of the experts explain the problem that D and E cause when the modifier is split into two clauses by the ", and"? Thanks in advance.