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Providing initial evidence that airports are a larger source [#permalink]
01 Feb 2010, 21:52
This post was BOOKMARKED
69% (02:01) correct
30% (01:15) wrong based on 26 sessions
Providing initial evidence that airports are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.
A) as much as that which is being emitted annually by all B) as much annually as is emitted by the C) as much compared to what is annually emitted by all D) that emitted annually by all E) that emitted annually compared to the
Re: GMAT Prep Comparisons [#permalink]
02 Feb 2010, 03:30
This post received KUDOS
I would like to know the explanation too, but also would like to give it a try. Here I'll try to identify & omit wrong choices, let's start from 'A'. 'A' is a wrong choice as it can't be same because of "as much as that which is being" it's Wordy (Brevity issue). now it can't be 'B' as "as much annually as is" is awkward.
In 'C' it says "as much compared to" which is wordy it could have been "as compared to" no need for much, so it can't be C. Also by inserting "compared to" we r changing the meaning of sentence. It can' be 'E' as again "compared to the" is changing the original meaning of the sentence. And also "compared to" is used for the comparison between two unlike things to stress the resemblance and 'amount of pollutant' is being used for both of the areas which are "like" things
Now coming to D, first of all it's shorter & succinct one and also "that" is much better that "as much as" because "as much as" is used when 2 things are of equal amount or weight or volume etc. whereas "twice that" means twice of the pollutant emitted annually by vehicles at O'Hare International Airport. So the Answer is "D" (succinct one) .
Please! correct me if I am wrong. Any addition or advice would be highly appreciable. I just tried to explain as much as I could, btw I am learning grammar too.
There u'll see he explains the usage of "which" and "that" in the sentence when inserting option B out of 5 given choices. According to him For 'Stores' --> "which" but for 'one-third of stores' --> "that" Similarly for 'twice'--> "that"
Hope it helps
But I would like if some expert could explain it as I am not expert ( just trying my best to learn it myself )
Re: Providing initial evidence that airports are a larger source [#permalink]
22 Oct 2013, 10:03
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Re: Providing initial evidence that airports are a larger source
22 Oct 2013, 10:03