◎ 题干
____, the disease will produce a powder poison that will kill the patient.

[      ]

A. If it untreated
B. If is untreated
C. If being untreated
D. If untreated
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“____, the disease will produce a powder poison that will kill the patient. [ ]A. If it untreated B. If is untreated C. If being untreated D. If untreated …”主要考查了你对  【省略句】  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。