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# During the twentieth century, the study of the large-scale

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Intern
Joined: 12 Apr 2010
Posts: 13

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During the twentieth century, the study of the large-scale [#permalink]

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25 May 2010, 03:23
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Difficulty:

(N/A)

Question Stats:

40% (01:29) correct 60% (01:51) wrong based on 10 sessions

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During the twentieth century, the study of the large-scale structure of the universe evolved from the theoretical to the practical; the field of physical cosmology was made possible because of both Einstein's theory of relativity and the better ability to observe extremely distant astronomical objects.

A)because of both Einstein's theory of relativity and
B)by both Einstein's theory of relativity and
C)by Einstein's theory of relativity and also
D)because of Einstein's theory of relativity and also
E)as a result of both Einstein's theory of relativity and

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Intern
Joined: 12 Apr 2010
Posts: 13

Kudos [?]: 19 [0], given: 0

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25 May 2010, 03:24
Both Xand Y

here X&Y need to be parallel!!! i mean same tense !!

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Intern
Joined: 11 Nov 2009
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25 May 2010, 07:33
So I´ll pick B

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Manager
Joined: 11 Mar 2010
Posts: 74

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25 May 2010, 23:31
I go for 'B' too. made possible .. and because,as a result seem redundant

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Senior Manager
Joined: 18 Aug 2009
Posts: 413

Kudos [?]: 145 [0], given: 16

Schools: UT at Austin, Indiana State University, UC at Berkeley
WE 1: 5.5
WE 2: 5.5
WE 3: 6.0

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30 May 2010, 16:19
What about A? Is'n it a good choice?
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Never give up,,,

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VP
Joined: 17 Feb 2010
Posts: 1469

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02 Jun 2010, 07:42
can someone provide a reason for why A and E are incorrect?

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Manager
Joined: 01 Oct 2010
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Kudos [?]: 284 [0], given: 172

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23 Dec 2010, 02:52
The OA is B and the OE states that there are two idioms to be recognized - "made possible by" and "both X and Y"
_________________

I will greatly appreciate your KUDOS my friends!

Kudos [?]: 284 [0], given: 172

Re: Confusing   [#permalink] 23 Dec 2010, 02:52
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# During the twentieth century, the study of the large-scale

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