According to surveys by the National Institute on Drug : GMAT Sentence Correction (SC)
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# According to surveys by the National Institute on Drug

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Senior Manager
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According to surveys by the National Institute on Drug [#permalink]

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21 Aug 2008, 19:48
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According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

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21 Aug 2008, 20:15
Ans should be D i feel coz of idiom saying x as much as y.
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21 Aug 2008, 21:41
stallone wrote:
According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

IMO, E is correct
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21 Aug 2008, 21:52
stallone wrote:
According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, doubling those reported in the 1977 survey.

(A) doubling those reported in the 1977 survey
(B) to double the number the 1977 survey reported
(C) twice those the 1977 survey reported
(D) twice as much as those reported in the 1977 survey
(E) twice the number reported in the 1977 survey

E. "twice as much as those" in D should be "twice as many as those" because those (young adult) is countable.
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Senior Manager
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21 Aug 2008, 22:45
thanks Tiger n others

OA is E

Manager
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22 Aug 2008, 04:53
stallone wrote:
thanks Tiger n others

OA is E

Twice is adverb...so 'twice those (adults)' is not a right usage...'tiwce' means two times here. Other thoughts?
Re: one more SC   [#permalink] 22 Aug 2008, 04:53
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