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Scientific interest in providing suitable habitat for

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Scientific interest in providing suitable habitat for  [#permalink]

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New post 17 Mar 2007, 01:15
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A
B
C
D
E

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Question Stats:

100% (00:43) correct 0% (00:00) wrong based on 4 sessions

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Scientific interest in providing suitable habitat for bottom-dwelling animals such as river clams arises not because they are important sources of human food but from their role as an integral link in the aquatic food chain.

Answer Choices :

(A) not because they are important sources of human food
(B) although they are not an important sources of human food
(C) not in that they are important has human sources of food
(D) not from their importance as a source of human food
(E) not from being important sources of food for human beings


Many elderly Black people, being restricted to low-paying work during their productive years by discriminatory practices, now receive the lowest of wage-related retirement benefits.



Answer Choices :

(A) Many elderly Black people, being restricted to low-paying work during their productive years by discriminatory practices,
(B) Being restricted by discriminatory practices during their productive years to low-paying work, many elderly Black people
(C) Because of being restricted by discriminatory practices during their productive years to low-paying work, many elderly Black people
(D) Because they had been restricted by discriminatory practices during their productive years to low-paying work, many elderly Black people
(E) Because they were restricted to low-paying work during their productive years by discriminatory practices, many elderly Black people
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Re: SC  [#permalink]

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New post 17 Mar 2007, 16:32
1. Clearly D for parallelism.
2. Ruling out of "being" and ambiguous "their" in D, I got E.
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SC  [#permalink]

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New post 18 Mar 2007, 05:54
Is "human food" correct usage in English? Doesn't "food for human beings" sound better?
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New post 18 Mar 2007, 09:45
1. D

not X but Y is the correct usage and X and Y needs be parallel

interest arises from animals importance as source of food is concise compared to choice E

2. The non-underlined portion of sentence is in present tense you need a simple past for the underlined part of sentence

Usage of being is unwarranted here

E clearly stands out with usage of correct tense
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Re: Scientific interest in providing suitable habitat for  [#permalink]

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New post 31 Oct 2012, 23:05
1
First of all we have the classic "not X but Y" parallelism. The second part is fixed as "from their role", so we need a "from" phrase in the first part. (A) & (B) & (C) are out. That leaves (D) & (E).

New, we need parallelism.
(D) has "from their importance" in parallel with "from their role" --- noun to noun, a perfect parallel construction.

(E) has "from being important sources ..." in parallel with "from their role" ---- a verb-form, a gerund, set up in parallel with a noun --- in GMAT SC terms, this is an abysmal failure of parallelism. Parallel structure might be the single most tested concept on the GMAT SC, and they are sticklers for having exactly two of the same thing in parallel. That's why (E) is a trainwreck failure and incorrect.

Answer = D.
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Re: Scientific interest in providing suitable habitat for  [#permalink]

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New post 02 Jan 2019, 01:33
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).

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Re: Scientific interest in providing suitable habitat for   [#permalink] 02 Jan 2019, 01:33
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