Over the past decades , sea ice in the Arctic as a result of global war - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Over the past decades , sea ice in the Arctic as a result of global warming .

A．had decreased

B．decreased

C．has been decreasing

D．is decreasing .

答案

解析

此题考查动词时态，由句中的时间状语从句“over the past decades”，可知句子的谓语动词要用现在完成时或现在完成进行时态。

核心考点

试题【Over the past decades , sea ice in the Arctic as a result of global war】；主要考察你对动词及动词短语辨析等知识点的理解。[详细]

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