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Taking this medicine, if ________, will certainly do damage to your health, as the doctor advises.
A.continuingB.continuedC.keepingD.to keep
B

试题分析:考查动词辨析及省略。continute 持续,继续;keep 保持,保存;从语义判断此处是指持续服用药物,所以排除C,D选项。从结构可知此处是状语从句的省略原句应该是if it is continued,所以B选项正确。句意:正如医生建议的,如果持续服用这种药物,你的健康将肯定会受到损害。
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