In parts of the Arctic, the land grades into the landfast ice so______that you c

游客2024-01-11  25

问题 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.

选项

答案 B

解析 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, precarious, or relentless would not help to explain how you would fail to know.
Thus the correct answer is imperceptibly(Choice B).
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