◎ 题干
Not having a good command of English can be a serious ________ preventing you from achieving your goals.
A.obstacle B.fault C.offense D.distress
◎ 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“附加题(选答,共10小题,每道题1分)1.Not having a good command of English can be a serious ________ preventing you from achieving your goals.A.obstacleB.faultC.o…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  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。