______the cause may be, the fact remains that temperatures are rising, affecting Alaska for the worse.

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问题 ______the cause may be, the fact remains that temperatures are rising, affecting Alaska for the worse.

选项 A、Since
B、Whatever
C、Now that
D、In case

答案B

解析句意：不管原因是什么，事实是气温仍在上升，给阿拉斯加了带来负面影响。连词whatever(不管什么；无论什么)引导让步状语从句，符合句意。since自从……以来；因为。now that既然；既是。in case假使；以防。

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A类竞赛（研究生）

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