◎ 题干
Calculations, which are astronomically exact, have been made    with the use of computers.
A.possibleB.it possibleC.possiblyD.to be possible
◎ 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“Calculations, which are astronomically exact, have been madewith the use of computers.A.possibleB.it possibleC.possiblyD.to be possible…”主要考查了你对  【形容词的比较级】【形容词的最高级】【形容词的排序】【形容词】  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。