◎ 题干
—Jim, is physics difficult to learn in high school? 
—Sure. No subject can be learned well ________ hard work.
A.withoutB.fromC.throughD.for
◎ 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“—Jim, is physics difficult to learn in high school?—Sure. No subject can be learned well ________ hard work.A.withoutB.fromC.throughD.for…”主要考查了你对  【介词短语】【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。