The research showed beyond ________ that smoking contributes to heart diseases.A.wonderB.doubtC.prob

题目简介

The research showed beyond ________ that smoking contributes to heart diseases.A.wonderB.doubtC.prob

题目详情

The research showed beyond ________ that smoking contributes to heart diseases.
A.wonderB.doubtC.problemD.use
题型:单选题难度:中档来源:不详

答案

B
beyond doubt为固定短语,意为:无疑,确实。本句句意为:这项研究确实表明吸烟会导致心脏疾病。

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