earth scientists understand how and why earthquakes happen, forecasts are usually inaccura

发布时间：2020-08-16 21:56:48

    earth scientists understand how and why earthquakes happen, forecasts are usually inaccurate.
A. As
B. While
C. Because
D. If

网友回答

A. As
(答案→)B. While
C. Because
D. If
解析：考查连词特殊用法。While然而；结合句意可知B正确。句意：尽管地震科学家理解地震是如何为什么发生，但是预测通常是不准确的。
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