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# Studies of the human sleep-wake cycle have practical

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Manager
Joined: 01 Nov 2007
Posts: 103

Kudos [?]: 75 [0], given: 0

Studies of the human sleep-wake cycle have practical [#permalink]

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14 Feb 2008, 21:19
1
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Question Stats:

78% (00:26) correct 22% (00:57) wrong based on 33 sessions

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Studies of the human “sleep-wake cycle” have practical relevance for matters ranging from duty assignments in nuclear submarines and air-traffic control towers to the staff of shifts in 24-hour factories.
(A) to the staff of
(B) to those who staff
(C) to the staffing of
(D) and staffing
(E) and the staff of

Kudos [?]: 75 [0], given: 0

SVP
Joined: 29 Aug 2007
Posts: 2472

Kudos [?]: 842 [0], given: 19

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14 Feb 2008, 22:55
az780 wrote:
Studies of the human “sleep-wake cycle” have practical relevance for matters ranging from duty assignments in nuclear submarines and air-traffic control towers to the staff of shifts in 24-hour factories.

(A) to the staff of
(B) to those who staff
(C) to the staffing of
(D) and staffing
(E) and the staff of

C for "from ....to" and parallel structure.
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Kudos [?]: 842 [0], given: 19

Director
Joined: 30 Jun 2007
Posts: 781

Kudos [?]: 181 [0], given: 0

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14 Feb 2008, 23:51
Sentence is checking for usage: ranging from duty … to the
(A) to the staff of ( to the staff of shifts in – awkward construction – eliminate it)
(B) to those who staff (those has no clear referent – eliminate it)
(C) to the staffing of (Hold it)
(D) and staffing (Unidiomatic – eliminate it)
(E) and the staff of (Unidiomatic – eliminate it)

Kudos [?]: 181 [0], given: 0

GMAT Club Legend
Joined: 01 Oct 2013
Posts: 10125

Kudos [?]: 261 [0], given: 0

Re: Studies of the human sleep-wake cycle have practical [#permalink]

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09 Jul 2016, 15:03
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).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

Kudos [?]: 261 [0], given: 0

Re: Studies of the human sleep-wake cycle have practical   [#permalink] 09 Jul 2016, 15:03
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