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# In a plan to stop the erosion of East Coast beaches, the Army Corps of

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Director
Joined: 05 Jul 2004
Posts: 876
In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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Updated on: 30 Jan 2018, 07:14
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The Official Guide for GMAT Review, 11th Edition, 2005

Practice Question
Question No.: SC 56
Page: 646

In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.

(A) act as a buffer, so that it absorbs
(B) act like a buffer so as to absorb
(C) act as a buffer, absorbing
(D) acting as a buffer, absorbing
(E) acting like a buffer, absorb

Originally posted by jpv on 05 Mar 2005, 19:10.
Last edited by hazelnut on 30 Jan 2018, 07:14, edited 3 times in total.
Edited the question.
VP
Joined: 18 Nov 2004
Posts: 1406
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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05 Mar 2005, 19:14
Bet "C" and "D"....i choose "C".....||ism ......absorbing....protecting...
Director
Joined: 01 Feb 2003
Posts: 821
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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05 Mar 2005, 19:33
not sure if my analysis is correct:

In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.

this is a restrictive clause..so I choose act for parallelism with rise

and the ing phrases are participle phrases (acting as adjectives describing the noun buffer)..and for parallelism within these, I would choose absorbing

Agree with C
Manager
Joined: 28 Sep 2004
Posts: 80
Location: New York City
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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05 Mar 2005, 22:13
Very nice one : )

(C) act as a buffer, absorbing
Correct although - wouldn't "act as" require "act as a buffer does" ?
VP
Joined: 26 Apr 2004
Posts: 1177
Location: Taiwan
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 02:17
1
jpv wrote:
In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.
(A) act as a buffer, so that it absorbs
(B) act like a buffer so as to absorb
(C) act as a buffer, absorbing
(D) acting as a buffer, absorbing
(E) acting like a buffer, absorb

Please explain the meaning and sentence structure of the answer choice u have choosen.

C it is. Parallelism can crack this.

......rocks that would rise...... and act ....., absorbing .....and protecting .....
Manager
Joined: 03 Nov 2004
Posts: 181
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 03:44
vithal and chunjuwa, great job done!

one more fore "C"
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 4971
Location: Singapore
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 07:44
The rocks does two things:

- rise 6 feet above the waterline and
- act as a buffer.

It can't act like a buffer. Like is used to indicate similarities, and here it's inappropriate use, as we know for sure the purpose of the rocks: cushioning the crash of the waves (buffer).

So we can rule out B, E, and D since participle 'acting' is the wrong tense.

So we're left with A and C. Between A and C, C is the better choice. 'buffering' clearly states how the rocks breaks up the crashing waves.

C for me.
Director
Joined: 05 Jul 2004
Posts: 876
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 14:02
Vithal wrote:
and the ing phrases are participle phrases (acting as adjectives describing the noun buffer)

Is the Participle Phrase when used as Paranthetical element always modify the the word just before/after the COMMA or can they modify the other words as well??

Examples:
John, having been torn by that unfortunate tragedy, attempted suicide. ((Adj.) having been... modifies John which is immediately before it)

Can we have a situation where Participle phrase used as Paranthetical Element does not modify the immediate word (Noun)?

I got confused in this question becuase I started thinking that whether "having.." modifies Buffer or Army Corps.

Please provide ur inputs... thanks
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4245
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 14:16
A participial phrase not modifying the immediately preceding word is called an absolute phrase.

http://www.gmatclub.com/phpbb/viewtopic ... sc&start=0
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Paul

Director
Joined: 05 Jul 2004
Posts: 876
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 15:33
Paul wrote:
A participial phrase not modifying the immediately preceding word is called an absolute phrase.

http://www.gmatclub.com/phpbb/viewtopic ... sc&start=0

But.. Absolute phrase contains Noun + Participle Phrase + Modifier (Optional)

Can an Absolute phrase stand without Noun?
Director
Joined: 05 Jul 2004
Posts: 876
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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06 Mar 2005, 15:57
Paul.. Got my answer.... Just for confirmation... Here Adjective Phrase is what we are calling Participle Phrase. Am I right?

Another kind of absolute phrase is found after a modified noun; it adds a focusing detail or point of focus to the idea of the main clause. This kind of absolute phrase can take the form of a prepositional phrase, an adjective phrase, or a noun phrase.

* The old firefighter stood over the smoking ruins, his senses alert to any sign of another flare-up.
* His subordinates, their faces sweat-streaked and smudged with ash, leaned heavily against the firetruck.
* They knew all too well how all their hard work could be undone â€” in an instant.

Source: http://webster.commnet.edu/grammar/phrases.htm
CEO
Joined: 21 Jan 2007
Posts: 2694
Location: New York City
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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21 Aug 2007, 15:05
jpv wrote:
Paul.. Got my answer.... Just for confirmation... Here Adjective Phrase is what we are calling Participle Phrase. Am I right?

Another kind of absolute phrase is found after a modified noun; it adds a focusing detail or point of focus to the idea of the main clause. This kind of absolute phrase can take the form of a prepositional phrase, an adjective phrase, or a noun phrase.

* The old firefighter stood over the smoking ruins, his senses alert to any sign of another flare-up.
* His subordinates, their faces sweat-streaked and smudged with ash, leaned heavily against the firetruck.
* They knew all too well how all their hard work could be undone â€” in an instant.

Source: http://webster.commnet.edu/grammar/phrases.htm

http://grammar.ccc.commnet.edu/grammar/phrases.htm
Director
Joined: 14 Feb 2005
Posts: 996
Location: New York
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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21 Aug 2007, 16:30
Using POE i was left with A and C

Choose C over A , as it is concise

But would like to know why A is wrong in simple words

Thanks
Director
Joined: 31 Mar 2007
Posts: 560
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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21 Aug 2007, 17:15
tough

like isn't directly comparing it

as is better

then to maintain parallelism I went with C
Director
Joined: 03 May 2007
Posts: 832
Schools: University of Chicago, Wharton School
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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21 Aug 2007, 21:02
jpv wrote:
In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.
(A) act as a buffer, so that it absorbs
(B) act like a buffer so as to absorb
(C) act as a buffer, absorbing
(D) acting as a buffer, absorbing
(E) acting like a buffer, absorb

Please explain the meaning and sentence structure of the answer choice u have choosen.

C. only C is parallel and correct modifying phrase.

that would rise ......... and act ..........
Intern
Joined: 29 Dec 2006
Posts: 42
Location: Seoul
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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22 Aug 2007, 01:38
Easy question. Only C maintains // in both parts: rise and act as a buffer and absorbing and protecting.
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VP
Joined: 17 Feb 2010
Posts: 1279
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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23 Jun 2010, 08:10
I would appreciate if someone explain the reason behind using "as" in this sentence.

Like - is used to compare "noun"
As - is used to compare "verbs"

Are we are using "as" because we are comparing "breakwater of rocks will act as a buffer". If yes, dont we need "does" after the word "buffer"....like this...

"breakwater of rocks will act as a buffer [does]"?
Manager
Status: Mission GMAT
Joined: 20 Apr 2011
Posts: 74
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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29 Aug 2011, 04:17
3
In a plan to stop the erosion of East Coast beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer, so that it absorbs the energy of crashing waves and protecting the beaches.

(A) act as a buffer, so that it absorbs
(B) act like a buffer so as to absorb
(C) act as a buffer, absorbing
(D) acting as a buffer, absorbing
(E) acting like a buffer, absorb

Parallelism--that would rise and act
So that leaves us with A,B,C. act like vs. act as. Act like means act similar to. Act as means function as. Here Act as is correct use meaning wise. So between A and C, we have so that it absorbs vs. absorbing.
There is one more parallelism here. absorbing anf protecting. So D is correct.
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Intern
Joined: 07 Oct 2011
Posts: 30
Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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07 Aug 2012, 13:45
Isn't breakwater singular? Shouldn't we use "acts as a buffer"??
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Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of [#permalink]

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07 Aug 2012, 13:56
karthiksms wrote:
Isn't breakwater singular? Shouldn't we use "acts as a buffer"??

Follow the non-underlined part " rise " , and make it parallel to the next. So would rise // would act.
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Re: In a plan to stop the erosion of East Coast beaches, the Army Corps of   [#permalink] 07 Aug 2012, 13:56

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