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# In parts of the Arctic, the land grades into the landfast ic

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In parts of the Arctic, the land grades into the landfast ic [#permalink]  08 Jan 2017, 11:52
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In parts of the Arctic, the land grades into the landfast ice so _______ that you can walk off the coast and not know you are over the hidden sea.

 Blank (i) (A) permanently (B) imperceptibly (C) irregularly (D) precariously (E) slightly
[Reveal] Spoiler: OA

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Moderator
Joined: 18 Apr 2015
Posts: 1646
Followers: 23

Kudos [?]: 187 [0], given: 883

Re: In parts of the Arctic, the land grades into the landfast ic [#permalink]  08 Jan 2017, 11:53
Expert's post
Explanation

The word that fills the blank has to characterize how the land grades into the ice in a way that explains how you can walk off the coast and over the sea without knowing it. The word that does that is "imperceptibly"; if the land grades imperceptibly into the ice, you might well not know that you had left the land. Describing the shift from land to ice as permanent, irregular or precarious would not help to explain how you would fail to know, while describing it as slight would suggest that there was hardly any grading from one to the other, the opposite of what is needed.

Thus the correct answer is Choice B (imperceptibly).
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Re: In parts of the Arctic, the land grades into the landfast ic   [#permalink] 08 Jan 2017, 11:53
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