They discovered the cause of the fire accidentally. They discovered it _______.A - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

They discovered the cause of the fire accidentally. They discovered it _______.

A．fortunately

B．by chance

C．all of a sudden

D．on purpose

答案

解析

考查短语辨析。Fortunately 幸运地，by chance 偶然地，all of a sudden 突然地，on purpose 故意地，句意：他们无意发现了大火的起因。他们偶然发现的。所以选B。

核心考点

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A．in; in

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C．in; into

D．into; in

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A．into

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A．like

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