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12 Apr 2013, 00:27
Kudos
Bookmarks
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
80% (00:59) correct
20%
(01:03)
wrong
based on 249
sessions
History
Date
Time
Result
Not Attempted Yet
By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept out of the atmosphere.
(A) By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept
(B) By constructing new windmill farms, it reduces consumption of fossil fuels, and tons of noxious emissions are kept
(C) Constructing new windmill farms reduces fossil fuel consumption and keeps tons of noxious emissions
(D) When new windmill farms are constructed, they reduce fossil fuel consumption, and it keeps tons of noxious emissions
(E) New windmill farms, when constructed, reduce fossil fuel consumption, and also tons of noxious emissions are kept
(A) By constructing new windmill farms, consumption of fossil fuels are reduced, and tons of noxious emissions are kept
(B) By constructing new windmill farms, it reduces consumption of fossil fuels, and tons of noxious emissions are kept
(C) Constructing new windmill farms reduces fossil fuel consumption and keeps tons of noxious emissions
(D) When new windmill farms are constructed, they reduce fossil fuel consumption, and it keeps tons of noxious emissions
(E) New windmill farms, when constructed, reduce fossil fuel consumption, and also tons of noxious emissions are kept
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
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
(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.
(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.
12 Apr 2013, 00:58
Kudos
Bookmarks
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.
(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.
.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 
