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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
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WE: Engineering (Entertainment and Sports)
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Most efforts to combat such mosquito-borne diseases like [#permalink]
 12 May 2012, 22:39
Question Stats:
76% (01:50) correct
23% (00:25) wrong based on 6 sessions
Most efforts to combat such mosquito-borne diseases like malaria and dengue have focused either on the vaccination of humans or on exterminating mosquitoes with pesticides. A and dengue have focused either on the vaccination of humans or on exterminating B like malaria and dengue have focused either on vaccinating of humans or on the extermination of C as malaria and dengue have focused on either vaccinating humans or on exterminating D as malaria and dengue have focused on either vaccinating of humans or on extermination of E as malaria and dengue have focused on either vaccinating humans or exterminating
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Manager
Joined: 19 Mar 2012
Posts: 156
Location: United States
Concentration: Finance, General Management
GPA: 3.69
WE: Analyst (Mutual Funds and Brokerage)
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Kudos [?]:
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
12 May 2012, 23:28
macjas wrote: Most efforts to combat such mosquito-borne diseases like malaria and dengue have focused either on the vaccination of humans or on exterminating mosquitoes with pesticides.
A and dengue have focused either on the vaccination of humans or on exterminating
Incorrect: "vaccination" and "exterminating" are not parallel
B like malaria and dengue have focused either on vaccinating of humans or on the extermination of
Incorrect: "vaccinating" and "extermination" are not parallel. Also, I think the proper idiomatic phrase is "such . . . as" as opposed to "such . . . like"
C as malaria and dengue have focused on either vaccinating humans or on exterminating
Incorrect: the "on" before exterminating is kind of wordy because "on either" implies that the "on" carries over to both "vaccinating" and "exterminating"
D as malaria and dengue have focused on either vaccinating of humans or on extermination of
Incorrect: "vaccinating" and "extermination" are not parallel
E as malaria and dengue have focused on either vaccinating humans or exterminating Correct: Proper idiomatic phrase is used "such . . .as", and "vaccinating" and "exterminating" are parallel
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SVP
Status: worked for Kaplan's associates, but now on my own, free and flying
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 03:27
2
This post received
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This is essentially a test of 1. the use of such as versus like 2. the parallelism of the coordinate conjunction either--- or and 3 the parallelism of a participle or gerund and noun A like malaria and dengue have focused either on the vaccination of humans or on exterminating--- like can not be used to mark examples B like malaria and dengue have focused either on vaccinating of humans or on the extermination of---- use of like is wrong C. as malaria and dengue have focused on either vaccinating humans or on exterminating--- either vaccinating humans or on exterminating---wrong parallelism of either ---or coordinate conjunction; on the right hand side of both either and or, similar structure should be used
D as malaria and dengue have focused on either vaccinating of humans or on extermination of----- either vaccinating of humans or on extermination of --- bad co-ordinate conjunction parallelism. E as malaria and dengue have focused on either vaccinating humans or exterminating -- - proper uaw of either or parallelism. Correct choice. Now let us take choice B. We rejected it primarily because of the uses of like. However, how about either or parallelism? It is perfectly parallel because of the use of the pronoun on the right hand side of both either and or. What about vaccinating of and extermination of—this is also perfectly parallel because vaccinating of is a gerund and is as good as extermination of in structure.
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Alicia Helle, an online student at the UW, "Obtaining my degree online has been a blessing. With two small children, I am able to work when it is convenient for my family and me. I have nothing but positive comments and experiences from my time at UW-Stout.”
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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
GMAT 2: 680 Q44 V38
GPA: 3.43
WE: Engineering (Entertainment and Sports)
Followers: 16
Kudos [?]:
98
[0], given: 100
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 03:36
I narrowed it down between D and E due to the idiomatic use of such x as Y and proper parallel structures
then I chose E because I know the GMAT prefers active over passive voice.
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SVP
Status: worked for Kaplan's associates, but now on my own, free and flying
Joined: 19 Feb 2007
Posts: 1972
Location: India
Followers: 129
Kudos [?]:
665
[0], given: 170
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 04:36
As an addendum to my earlier posting, let may see that all the five choices in the context are active voice sentences; so the use of active versus passive voice is not tested here. In addition, Choice C, D and E use the template: such as x and y and not such x as y
_________________
” I truly believe in online learning, I have been a student in both an Ivy League school (brick and mortar) and in an online setting and I have learned 1,000 times more in an online setting. You do not have anyone there lecturing you and then you do the work, online you are made to do it all yourself. Amazing how different the results are. - Heather(a student)”
Alicia Helle, an online student at the UW, "Obtaining my degree online has been a blessing. With two small children, I am able to work when it is convenient for my family and me. I have nothing but positive comments and experiences from my time at UW-Stout.”
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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
GMAT 2: 680 Q44 V38
GPA: 3.43
WE: Engineering (Entertainment and Sports)
Followers: 16
Kudos [?]:
98
[0], given: 100
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 05:14
so then what is the grammatical distinction, if any, between the structures:
vaccinating of humans
vaccinating humans?
I'm guessing vaccinating humans would be preferred if all else equal?
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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
GMAT 2: 680 Q44 V38
GPA: 3.43
WE: Engineering (Entertainment and Sports)
Followers: 16
Kudos [?]:
98
[0], given: 100
|
Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 05:17
also is it just me, or does the SC section seem to have a LOT of parallel error type questions?? Even questions with other errors seem to contain parallel errors along with some other error eg. parallel errors + verb tense
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SVP
Status: worked for Kaplan's associates, but now on my own, free and flying
Joined: 19 Feb 2007
Posts: 1972
Location: India
Followers: 129
Kudos [?]:
665
[0], given: 170
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 05:53
Merely saying vaccinating may mislead. Used as an adjectival phrase, vaccinating humans may refer to those humans who do the job of vaccination. Vaccinating is a present participle and not a gerund in that instance. However, vaccinating of humans is out and out a gerund. That is why for use as a gerund, we may add the preposition of to be sure Parallelism error is one of the most used aspects of sentence structure at least in GMAT. Although purely singular errors such as lack of parallelism alone may appear rarely in GMAT, the normal practice often is to cobble two or three errors together, of which parallelism will be one either as the primary error or as a secondary error.
_________________
” I truly believe in online learning, I have been a student in both an Ivy League school (brick and mortar) and in an online setting and I have learned 1,000 times more in an online setting. You do not have anyone there lecturing you and then you do the work, online you are made to do it all yourself. Amazing how different the results are. - Heather(a student)”
Alicia Helle, an online student at the UW, "Obtaining my degree online has been a blessing. With two small children, I am able to work when it is convenient for my family and me. I have nothing but positive comments and experiences from my time at UW-Stout.”
Find out what's new at GMAT Club - latest features and updates
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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
GMAT 2: 680 Q44 V38
GPA: 3.43
WE: Engineering (Entertainment and Sports)
Followers: 16
Kudos [?]:
98
[0], given: 100
|
Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 06:06
So to take this further, simple and complex gerunds cannot be parallel and if we change vaccinating humans to:
I am vaccinating humans now then it turns into a simple gerund if vaccinating humans modifies a noun. Gotchya.
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SVP
Status: worked for Kaplan's associates, but now on my own, free and flying
Joined: 19 Feb 2007
Posts: 1972
Location: India
Followers: 129
Kudos [?]:
665
[0], given: 170
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 09:53
I am vaccinating is not used in the sense of gerund which i a noun. Because of the addition of am to the present participle vaccinating, I am vaccinating turns into a present progressive, which is a verb. If you have any further doubts, you may perhaps like to read some good guide on the verbals namely present and past participles, gerunds and infinitives – may be MGMAT’S SC guide.
_________________
” I truly believe in online learning, I have been a student in both an Ivy League school (brick and mortar) and in an online setting and I have learned 1,000 times more in an online setting. You do not have anyone there lecturing you and then you do the work, online you are made to do it all yourself. Amazing how different the results are. - Heather(a student)”
Alicia Helle, an online student at the UW, "Obtaining my degree online has been a blessing. With two small children, I am able to work when it is convenient for my family and me. I have nothing but positive comments and experiences from my time at UW-Stout.”
Find out what's new at GMAT Club - latest features and updates
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Senior Manager
Affiliations: UWC
Joined: 09 May 2012
Posts: 403
Location: India
GMAT 1: 620 Q42 V33
GMAT 2: 680 Q44 V38
GPA: 3.43
WE: Engineering (Entertainment and Sports)
Followers: 16
Kudos [?]:
98
[0], given: 100
|
Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 10:27
thanks daagh; looks like I'm going to have to do some reading of the SC guide. I just skimmed over those topics but some more in depth reading is in order...
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Manager
Joined: 27 Oct 2011
Posts: 196
Location: United States
Concentration: Finance, Strategy
GMAT 1: Q V
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Re: Most efforts to combat such mosquito-borne diseases [u]like [#permalink]
13 May 2012, 14:01
A ad B are wrong because using like means similar to which in this case they are not trying to show similar examples rather they are saying which diseases. C and D are out because the either x or y is not parallel.
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Re: Most efforts to combat such mosquito-borne diseases [u]like
[#permalink]
13 May 2012, 14:01
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