◎ 题干
Nobody can achieve anything of real significance _____ he works very hard.
[     ]
A. if      
B. unless      
C. meanwhile    
D. as  
◎ 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“Nobody can achieve anything of real significance _____ he works very hard.[ ]A. ifB. unlessC. meanwhileD. as…”主要考查了你对  【从属连词】【状语从句】  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。