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大家来看下这个讨论,是个NN的 Quote: Originally Posted by sdanquah
When drive-ins were at the height of their popularity in the late 1950’s, some 4,000 existed in the United States, but today there are less than one-quarter that many.
A. there are less than one-quarter that many
B. there are fewer than one-quarter as many
C. there are fewer than one-quarter of that amount
D. the number is less than one-quarter the amount
E. it is less than one-quarter of that amount |
First, you should know that such "mix-and-match" questions rarely appear on the real GMAT anymore--they're too easy.
This question is okay as a grammar exercise, but I wouldn't get too hung up on it.
Anyway, what you want to know: yes, you are right that we generally use non-count modifiers (less, amount, much, etc.) when we are referring to percentages and fractions, even when those numbers refer to count nouns. The concept behind this is that we are focusing on the number itself, not on the things the number represents. And this case would be no exception.
This gets rid of B and C. Also, D and E are awkward or wordy, in addition to the some other problems.
So, let's address the last part of the underline--many or amount. In this case, since we are referring to a count noun, drive-ins, we should use a count modifier, many or number.
You were confused by that many; the that is a demonstrative and refers to the number 4,000 that was already mentioned in the sentence. Compare it to something like I didn't know that many people would show up.
The as many in B isn't quite right, either--we use as... as...for comparisons, and ETS usually wants us to have the other as in the sentence to make it grammatically complete.
个人觉得很有道理 SOURCE: http://www.urch.com/forums/gmat-sentence-correction/12444-two-sentence-corrections-sentencecorrection-com.html | 
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发表于 2008-4-3 12:08:00
