◎ 题干
Our hearts sank at the news that a pipeline(输油管) ______in Qindao and 62 people couldn’t survive the disaster.
A.is blown upB.exploded
C.has been explodedD.attacked
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Our hearts sank at the news that a pipeline(输油管) ______in Qindao and 62 people couldn’t survive the disaster.A.is blown upB.explodedC.has been explodedD.att…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。