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# Shooting cannon

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Manager
Joined: 04 Nov 2006
Posts: 130

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05 Jul 2007, 23:28
According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.
(B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of
(D) that shoots dead chickens at airplanes proves itself helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5043
Location: Singapore

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06 Jul 2007, 02:13
B,C,D - 'itself' points to cannon which changes the meaning of the passage
E is correct with 'in demonstrating'
Intern
Joined: 19 Jun 2007
Posts: 11

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06 Jul 2007, 02:22
I'll go with A.

I think 'demonstrate' should be verb.
Director
Joined: 16 May 2007
Posts: 548

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06 Jul 2007, 05:12
It was a close call b/w A and E.
I agree with ywilfred. Will go with E . in demonstrating is correct.
Intern
Joined: 19 Jun 2007
Posts: 11

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06 Jul 2007, 05:47
I woder if a cannon shoots dead chichkes continuously in present. That's why I chose 'shooting' instead of restrictive clause. And A) looks more efficient than C).

Would you please explain why ' in demonstrating' is correct ? Why not ' to demonstrate'?
Director
Joined: 29 Aug 2005
Posts: 859

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06 Jul 2007, 06:47
pawan82 wrote:
According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.
(A) shooting dead chickens at airplanes has proved helpful to demonstrate --->WRONG, "cannon shooting" reads as if "cannon that is currently shooting"
(B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of
(D) that shoots dead chickens at airplanes proves itself helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating --->CORRECT

Also, has proved in + GERUND is idiomatical

There is little ground to consider other choices

Do we have OA, folk?
Senior Manager
Joined: 18 Jun 2007
Posts: 288

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06 Jul 2007, 12:42
even46 wrote:
I woder if a cannon shoots dead chichkes continuously in present. That's why I chose 'shooting' instead of restrictive clause. And A) looks more efficient than C).

Would you please explain why ' in demonstrating' is correct ? Why not ' to demonstrate'?

E is the correct.
Director
Joined: 26 Feb 2006
Posts: 899

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06 Jul 2007, 23:13
pawan82 wrote:
According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.
(B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of
(D) that shoots dead chickens at airplanes proves itself helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating

E. because "help + to" is wrong.
CEO
Joined: 29 Mar 2007
Posts: 2560

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06 Jul 2007, 23:28
Elminated all that had "shooting". D and E were left. D sounds awkward.

E makes the most sense.
Manager
Joined: 04 Nov 2006
Posts: 130

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07 Jul 2007, 01:54
OA is E
Director
Joined: 09 Aug 2006
Posts: 520

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12 Jul 2007, 08:23
rishi2377 wrote:
even46 wrote:
I woder if a cannon shoots dead chichkes continuously in present. That's why I chose 'shooting' instead of restrictive clause. And A) looks more efficient than C).

Would you please explain why ' in demonstrating' is correct ? Why not ' to demonstrate'?

E is the correct.

Could you please mention the reference..
CEO
Joined: 21 Jan 2007
Posts: 2739
Location: New York City

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08 Aug 2007, 13:18
Amit05 wrote:
rishi2377 wrote:
even46 wrote:
I woder if a cannon shoots dead chichkes continuously in present. That's why I chose 'shooting' instead of restrictive clause. And A) looks more efficient than C).

Would you please explain why ' in demonstrating' is correct ? Why not ' to demonstrate'?

E is the correct.

Could you please mention the reference..

I am a native English speaker so I picked E also simply based on this idiom. proved helpful in
Manager
Joined: 06 Jul 2007
Posts: 57

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08 Aug 2007, 20:40
I picked D as it makes it clear that what is helpful i.e. has proved itself.
Don't you think that something is missing in E??
has proved 'what' to be helpful??? I would have been right if it was- has been proved helpful
missing   [#permalink] 08 Aug 2007, 20:40
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