◎ 题干
____ he was not rich enough to buy whatever he wanted, Edison decided to make his new laboratory the best.
A.AlthoughB.SinceC.WhenD.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“____ he was not rich enough to buy whatever he wanted, Edison decided to make his new laboratory the best.A.AlthoughB.SinceC.WhenD.As…”主要考查了你对  【并列连词】【从属连词】  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。