◎ 题干
She was very hardworking ________he was very lazy. As a result,she passed the examination,but
he failed.
[     ]
A. when
B. since
C. while
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“She was very hardworking ________he was very lazy. As a result,she passed the examination,but he failed. [ ]A. whenB. since C. whileD. as…”主要考查了你对  【并列连词】  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。