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Industrialization and modern methods of insect control have

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Industrialization and modern methods of insect control have [#permalink] New post 12 Oct 2008, 20:17
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Difficulty:

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Question Stats:

59% (02:04) correct 41% (01:11) wrong based on 99 sessions
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having
[Reveal] Spoiler: OA
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Re: Industrialization and modern methods of insect control have [#permalink] New post 12 Oct 2008, 20:40
paeagain wrote:
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having


go with B between A and B.

They is ambigious in A.
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Re: Industrialization and modern methods of insect control have [#permalink] New post 12 Oct 2008, 21:29
GMAT TIGER wrote:
paeagain wrote:
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having


go with B between A and B.

They is ambigious in A.


Isn't they referring to the compound subject "Industrialization and modern methods of insect control" ??

Plus "have improved" needs "have introduced" to parallel ?

Why cant it be C ? "which" is referring to chemical pollutants because "at the same time" seems to be modifying chemical pollutants..

I am not able to decide between B and C :(

What is the OA ?
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Re: Industrialization and modern methods of insect control have [#permalink] New post 12 Oct 2008, 21:48
OA is B
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Re: Industrialization and modern methods of insect control have [#permalink] New post 12 Oct 2008, 23:45
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KUDOS
paeagain wrote:
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having


While at the same time seemed redundant !! hence opted E
But alass OA is B !!

i dont know how to deal with SC
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Re: Industrialization and modern methods of insect control have [#permalink] New post 14 Oct 2008, 06:32
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amitdgr wrote:
GMAT TIGER wrote:
paeagain wrote:
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.

A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having


go with B between A and B.

They is ambigious in A.


Isn't they referring to the compound subject "Industrialization and modern methods of insect control" ??

Plus "have improved" needs "have introduced" to parallel ?

Why cant it be C ? "which" is referring to chemical pollutants because "at the same time" seems to be modifying chemical pollutants..

I am not able to decide between B and C :(

What is the OA ?


This is correct: that they refers to "Industrialization and modern methods of insect control".

"Which" in C is wrongly used.
"Having" in A is wrongly used.
Nothing much to say about D and E.

I think "they" is redundant but understood..

So B.
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Re: Industrialization and modern methods of insect control have [#permalink] New post 14 Oct 2008, 07:09
B is correct. I don't know about all of you but I don't go by the rules of grammar at all. In fact, I don't even know more than half the technical things that you all discuss. I am sure when I was in school I read and learnt those things but they have been long forgotten. I simply go by the way I WOULD speak a particular sentence. English is a strange language in a certain sense. What may seem correct in one context may not seem correct in another. The only way to tackle these questions, I think, is to imagine yourself speaking the sentence with your eyes closed and feel if it sounds alright. Now, this may not work for everybody but it does for me.
This particular question, it is my belief, is a perfect example that there are no rules in English (if you know what I mean)!
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Re: Industrialization and modern methods of insect control have [#permalink] New post 14 Oct 2008, 07:17
KASSALMD wrote:
B is correct. I don't know about all of you but I don't go by the rules of grammar at all. In fact, I don't even know more than half the technical things that you all discuss. I am sure when I was in school I read and learnt those things but they have been long forgotten. I simply go by the way I WOULD speak a particular sentence. English is a strange language in a certain sense. What may seem correct in one context may not seem correct in another. The only way to tackle these questions, I think, is to imagine yourself speaking the sentence with your eyes closed and feel if it sounds alright. Now, this may not work for everybody but it does for me.
This particular question, it is my belief, is a perfect example that there are no rules in English (if you know what I mean)!


You are a LOT like me in this sense :)
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Re: Industrialization and modern methods of insect control have [#permalink] New post 24 Mar 2014, 02:17
I think i can expalin this in much better way

A) Comma + ing modifies the subject. Here the subject is Industrialization and modern methods. Hence wrong.
B) that in Choice B is referring to Pollutants , which is the intended meaning . Hence correct.
C) Which is followed by comma . Which is referring to time . Hence wrong.
D) Here that is referring to Time which is wrong.
E ) Having is Verb-ing modifier modifying the subject Industrialization and modern methods. Hence wrong.

The intended meaning of the sentence was pollutants gone virtually unregulated.

Moderators please correct me if i am wrong.

Please give kudos if i am correct. :)
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Re: Industrialization and modern methods of insect control have [#permalink] New post 30 Jun 2015, 06:39
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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Re: Industrialization and modern methods of insect control have [#permalink] New post 30 Jun 2015, 20:46
paeagain wrote:
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having


POE

A. while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
Incorrect - Ambiguous modifier ", Having" it has potential to modify pollutants and They (Industrialization and modern methods of insect control) Hence sentence is not clear to present an Idea.

B. while at the same time introducing some 100,000 dangerous chemical pollutants that have
Correct
1. introducing - Ving modifier modifies the subject of preceding clause ( Industrialization and modern methods of insect control)
2. That - correct modify Pollutants.


C. while they have introduced some 100,000 dangerous chemical pollutants at the same time, which have
Incorrect -
1. Change of Meaning (Sin in GMAT SC) ,
Original Meaning - "At the same time, they have introduced 100,000 pollutants"
Meaning in option - "They have introduced 100,000 pollutant at the same time.

2. "Time, which" - which is modifying the time, Time modifier is when. Even tough Which modifies time, it introduced change in meaning by saying " Time gone viral .. "



D. but introducing some 100,000 dangerous chemical pollutants at the same time that have
Incorrect - Here But introduced an Independent clause and has no verb in it.
E. but at the same time introducing some 100,000 dangerous chemical pollutants, having
Incorrect - Here But introduced an Independent clause and has no verb in it.
Re: Industrialization and modern methods of insect control have   [#permalink] 30 Jun 2015, 20:46
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