◎ 题干
---He made up his mind to devote his life________pollution_______happily.
A.to prevent;to liveB.to prevent;from living
C.to preventing; to liveD.to preventing;from living
◎ 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“---He made up his mind to devote his life________pollution_______happily.A.to prevent;to liveB.to prevent;from livingC.to preventing; to liveD.to preventing;…”主要考查了你对  【序数词】  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。