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The number of plant and animal species that humans are known

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The number of plant and animal species that humans are known [#permalink] New post 20 Aug 2007, 15:08
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Question Stats:

49% (01:50) correct 51% (01:00) wrong based on 188 sessions
The number of plant and animal species that humans are known to have forced to extinction in the last half millenium is over 800.

A) ""

B) humans are known as having forced to become extinct

C) humans are known for forcing to become extinct

D) are known that humans are forced to become extinct

E) are known as having been forced to extinction by humans
[Reveal] Spoiler: OA

Last edited by pqhai on 03 Dec 2013, 22:56, edited 1 time in total.
Added OA
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Re: SC - plant and animal species [#permalink] New post 20 Aug 2007, 17:22
ikk102 wrote:
The number of plant and animal species that humans are known to have forced to extinction in the last half millenium is over 800.

A) ""

B) humans are known as having forced to become extinct

C) humans are known for forcing to become extinct

D) are known that humans are forced to become extinct

E) are known as having been forced to extinction by humans



E. all others choices change the meaning.

original meaning : The number of plant and animal species is forced to become extinct by humans. should not changed to that "the humans themselves are forced to become extinct."
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Re: SC - plant and animal species [#permalink] New post 20 Aug 2007, 18:21
ikk102 wrote:
The number of plant and animal species that humans are known to have forced to extinction in the last half millenium is over 800.

A) ""

B) humans are known as having forced to become extinct

C) humans are known for forcing to become extinct

D) are known that humans are forced to become extinct

E) are known as having been forced to extinction by humans


Well simple one I guess . E .
"The number of plant and animal species that" should be close "forced to extiction" that "human" . Only E gives that opportunity
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 [#permalink] New post 20 Aug 2007, 19:39
A,B,C -> humans following 'The number of plant and animal species that that' results in awkward sentence

D -> suggests humans became extinct

E is best.
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 [#permalink] New post 20 Aug 2007, 19:59
this was a tough one indeed... only by POE was I able to come up with E.. the other ones just didn't make much sense! :?
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 [#permalink] New post 20 Aug 2007, 20:13
Well guys and girls, the OA is actually A.

I got this on GMATPrep test 2 right smack in the middle of the verbal section.

Still not sure why...
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 [#permalink] New post 20 Aug 2007, 20:48
I prefer "known to" and I selected A.

"known as" can be usually substituted with "called as" and they both are usually followed by nouns. But it doesnt sound great here.

whereas "known to" can be followed by actions.

He is known to do something.

This is the logic I used. It could be wrong. I wonder what the OE is.
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agree to choice A [#permalink] New post 20 Aug 2007, 21:04
The only answer that attracted my attention except for A, was C, because there is a set phrase to be known for...but I stick to A, because, normally, the pattern when there is only one solid choice except for A, repeats itself with A as correct answer. That's why A.
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 [#permalink] New post 21 Aug 2007, 09:12
Guys this is Straight A. Now please notify the subject header as GMATPrep question if it is one. I havent taken GMATPrep 2 and now I know this question. I hope I dont get this one as it will skew my performance.
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Re: The number of plant and animal species that humans are known [#permalink] New post 03 Dec 2013, 20:16
Its a clear A. Besides E is passive and it has a massive red flag "being".
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Re: The number of plant and animal species that humans are known [#permalink] New post 03 Dec 2013, 23:05
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NOTES

1. Subject-verb agreement.
"The number of X..." is singular
"A number of X.." is plural.

2. Correct idioms:
Known AS
Known TO


3. Wrong idiom:
Known for Verb-ing.

APPLY TO THE QUESTION.

The number of plant and animal species that humans are known to have forced to extinction in the last half millenium is over 800.

A) humans are known to have forced to extinction
Correct.

B) humans are known as having forced to become extinct
Wrong."forced to extinction" is clearer, more concise than "forced to become extinct"

C) humans are known for forcing to become extinct
Wrong. "known for forcing" is not idiomatic.

D) are known that humans are forced to become extinct
Wrong. "the number of.." is singular --> "are" is wrong.

E) are known as having been forced to extinction by humans
Wrong. "the number of.." is singular --> "are" is wrong.

Hope it helps.
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Re: The number of plant and animal species that humans are known [#permalink] New post 17 Dec 2014, 19:02
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: The number of plant and animal species that humans are known [#permalink] New post 05 Apr 2015, 08:12
pqhai wrote:
NOTES

1. Subject-verb agreement.
"The number of X..." is singular
"A number of X.." is plural.

2. Correct idioms:
Known AS
Known TO


3. Wrong idiom:
Known for Verb-ing.

APPLY TO THE QUESTION.

The number of plant and animal species that humans are known to have forced to extinction in the last half millenium is over 800.

A) humans are known to have forced to extinction
Correct.

B) humans are known as having forced to become extinct
Wrong."forced to extinction" is clearer, more concise than "forced to become extinct"

C) humans are known for forcing to become extinct
Wrong. "known for forcing" is not idiomatic.

D) are known that humans are forced to become extinct
Wrong. "the number of.." is singular --> "are" is wrong.

E) are known as having been forced to extinction by humans
Wrong. "the number of.." is singular --> "are" is wrong.

Hope it helps.


How did u apply SVA rule here..?
Re: The number of plant and animal species that humans are known   [#permalink] 05 Apr 2015, 08:12
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