◎ 题干
—Mr Hu, can you tell us how to learn math well?
—Sure. But remember nothing can be learned _______ hard work.
[     ]
A. by
B. at
C. without
D. for
◎ 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“—Mr Hu, can you tell us how to learn math well?—Sure. But remember nothing can be learned _______ hard work. [ ]A. by B. atC. without D. for …”主要考查了你对  【介词】  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。