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A full account of the complexities of sleep, sought after by

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GRE Prep Club Legend
Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 105

Kudos [?]: 1782 [1] , given: 397

A full account of the complexities of sleep, sought after by [#permalink]  24 Oct 2017, 17:18
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Question Stats:

54% (00:38) correct 45% (01:00) wrong based on 22 sessions

A full account of the complexities of sleep, sought after by scientists, philosophers, and mystics for millennia, continues to elude us. That we are still so ignorant about a topic so (i) _________ to our daily lives is at once fascinating and (ii) _________.

 Blank (i) Blank (ii) (A) mysterious (D) deeply humbling (B) obscure (E) fully impenetrable (C) pertinent (F) totally blatant

[Reveal] Spoiler: OA
Pertinent, deeply humbling.

Practice Questions
Question: 127
Page: 74-75
[Reveal] Spoiler: OA

_________________

Sandy
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GRE Prep Club Legend
Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 105

Kudos [?]: 1782 [0], given: 397

Re: A full account of the complexities of sleep, sought after by [#permalink]  14 Nov 2017, 04:14
Expert's post
Explanation

Sleep is important, or relevant, to your daily life, making pertinent the best word for the first blank. Don’t be misled by the fact that you don’t fully understand sleep into choosing mysterious or obscure; both are trap answers (being ignorant about a mysterious or obscure topic is hardly “fascinating”).

It is also grammatically incorrect to call a topic mysterious or obscure to your daily life. Regarding the second blank, the expression “at once X and Y” indicates at least a loose contrast, so you need something that could contrast with fascinating. The clue “so ignorant” is a good indication that what you want is deeply humbling. Don’t fall for the trap answer fully impenetrable. While the topic of sleep is presented as somewhat impenetrable (that is, hard to understand), the blank is not describing sleep, but rather your ignorance about it.

Pertinent, deeply humbling.
_________________

Sandy
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Re: A full account of the complexities of sleep, sought after by   [#permalink] 14 Nov 2017, 04:14
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