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85% (00:47) correct 15% (00:34) wrong based on 33 sessions
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C - concise & correct D&E change the meaning. Windmill farms themselves don't reduce XYZ. A&B both have a modifier issue and in addition: A has a verb error (are) B - no antecedent for it
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By constructing new windmill farms, consumption of fossil
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Updated on: 30 Sep 2017, 23:37
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(A) By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept --- consumption ----are – SV mismatch. Modification is also weird; it looks as if consumption of fossil fuels has constructed the windmills
(B) By constructing new windmill farms, it reduces consumption of fossil fuels, and tons of noxious emissions are kept ----, ‘it’ – no referent for the pronoun. Construction can be dome only human beings and it can not the apt pronoun in that case.
(C) Constructing new windmill farms reduces fossil fuel consumption and keeps tons of noxious emissions --- This is the right choice parallel verbs reduces and keeps are the verbs for the subject constructing
(D) When new windmill farms are constructed, they reduce fossil fuel consumption, and it keeps tons of noxious emissions ----- they reduce and it keeps --- incongruous pair of pronouns
(E) New windmill farms, when constructed, reduce fossil fuel consumption, and also tons of noxious emissions are kept -- first part of the sentence is active voice while the part is passive voice ---
In addition, the use of the word when is inappropriate. It implies that all the effects are true at the time of construction and after the construction is over, the effects disappear. Hence D and E are to be dumped.
By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept[/u] out of the atmosphere.
(A) By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept >>> Wrong. No real subject. "consumption" is singular.
(B) By constructing new windmill farms, it reduces consumption of fossil fuels, and tons of noxious emissions are kept>>> Wrong. "It" does not refer to anyone. Structure is not parallel.
(C) Constructing new windmill farms reduces fossil fuel consumption and keeps tons of noxious emissions >>> Correct for both meaning & structure.
(D) When new windmill farms are constructed, they reduce fossil fuel consumption, and it keeps tons of noxious emissions >>> Wrong. "they" and "it" are not parallel. "it" is also wrong modifier.
(E) New windmill farms, when constructed, reduce fossil fuel consumption, and also tons of noxious emissions are kept>>> Wrong. Bad structure. Not parallel.
Hope it helps.
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Re: By constructing new windmill farms, consumption of fossil fu
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13 Apr 2013, 22:09
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DAAGH wrote :New windmill farms, when constructed, reduce fossil fuel consumption, and also tons of noxious emissions are kept -- first part of the sentence is active voice while the part is passive voice ---
this is not correct A sentence can very well have an active and passive statements . the reason why E is wrong is because of this construction :New windmill farms, when constructed, reduce fossil fuel consumption this construction gives a nonsensical meaning
Re: By constructing new windmill farms, consumption of fossil fu
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13 Apr 2013, 22:31
Hi aditya, Thanks a lot for your explanation first .I am surfing this forum for a quite sometime and am seeing you pointing out flaws specifically with daagh. You can just point out that active voice and passive voice can be made parallel in GMAT rather to say what daagh wrote is wrong.
I have learn a lot through the daagh's posts , and it doesn't meant that i didn't learn from your posts .We are here only to learn new things for our GMAT preparation and lets keep discussion quite healthy ..No offence aditya ..keep posting good explanation as you do
Re: By constructing new windmill farms, consumption of fossil fu
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13 Apr 2013, 23:10
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SKAMAL :Hi aditya, Thanks a lot for your explanation first .I am surfing this forum for a quite sometime and am seeing you pointing out flaws specifically with daagh. You can just point out that active voice and passive voice can be made parallel in GMAT rather to say what daagh wrote is wrong.
I have learn a lot through the daagh's posts , and it doesn't meant that i didn't learn from your posts .We are here only to learn new things for our GMAT preparation and lets keep discussion quite healthy ..No offence aditya ..keep posting good explanation as you do
dont get me wrong .its not like that .its just that i like to discuss anything that is wrong for that matter .if u want i can forward u links where i have tried correcting lot of other wrong things .the fact is when something is written wrongly on these sacrosanct forums then it leads to a lot more confusion .like it led to u confusion regarding "active and passive" voice !! . if u want i can even direct to a official problems where "active and passive " voice have been shown to be parallel .having said all this i always welcome people to put new ideas to my statements . honestly when i saw ur doubt i thought of looking at the root cause and i corrected it .else somebody reading these post might ask "oh why is it written that way"
Re: By constructing new windmill farms, consumption of fossil fu
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13 Apr 2013, 23:19
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nt2010 wrote:How does C - the answer exhibit parallelism for and.. also isn't Constructing.. a modifier
Constructing new windmill farms reduces fossil fuel consumption and keeps
c says:Constructing new windmill farmsreduces fossil fuel consumption and keeps tons of noxious emissions
"Constructing new windmill farms" is a gerund(simple gerund to be more specific ) ,which is acting as a noun and this noun does two things which are parallel viz :reduces and keeps
Re: By constructing new windmill farms, consumption of fossil
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24 Oct 2017, 06:43
Concepts Tested – Meaning (Modification), Parallelism, Pronoun Agreement The original sentence starts off with a modifying phrase - By constructing new windmill farms,. What follows the comma should be whoever is doing this construction, but both A and B get this wrong and can be eliminated. D - In the phrase ‘it keeps tons...’, the singular ‘it’ incorrectly refers to the plural ‘windmill farms’ Between C and E, in E the last part of the sentence starting with ‘and’ is passive and not parallel to the earlier part. Hence C is the best answer
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85% (00:47) correct 
.We are here only to learn new things for our GMAT preparation and lets keep discussion quite healthy ..No offence aditya ..keep posting good explanation as you do 
