◎ 题干
Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale.
A.man has beenB.man is C.has man beenD.will be man
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale.A.man has beenB.man is C.has man beenD.will be man…”主要考查了你对  【全部倒装】【部分倒装】【省略句】  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。