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Industrialization and modern methods of insect control have [#permalink]
 12 Oct 2008, 21:17
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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
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Re: SC:Industrialization [#permalink]
12 Oct 2008, 21:40
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: SC:Industrialization [#permalink]
12 Oct 2008, 22:29
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: SC:Industrialization [#permalink]
12 Oct 2008, 22:48
OA is B
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Re: SC:Industrialization [#permalink]
13 Oct 2008, 00:45
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: SC:Industrialization [#permalink]
14 Oct 2008, 07:32
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. 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: SC:Industrialization [#permalink]
14 Oct 2008, 08:09
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: SC:Industrialization [#permalink]
14 Oct 2008, 08:17
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: SC:Industrialization
[#permalink]
14 Oct 2008, 08:17
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