◎ 题干
Paper produced every year is ________ the world’s production of vehicles.
A.the three times weight ofB.heavier three times than
C.as three times heavy asD.three times the weight of
◎ 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“Paper produced every year is ________ the world’s production of vehicles. A.the three times weight ofB.heavier three times thanC.as three times heavy asD.three…”主要考查了你对  【副词的比较级】【疑问副词】【连接副词】【副词】  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。