being treated, it would produce a harmful chemical that would kill the patient. A. Unless ——青夏教育精英家教网—

摘要： being treated, it would produce a harmful chemical that would kill the patient. A. Unless B. If C. As D. Without

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.（2010·湖南祁阳四中高三上第一次月考） 27. ______ being treated, it would produce a harmful chemical that would kill the patient.

A. Unless B. If C. As D. Without

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