(2009.10,单选1)药物是()
A.纠正机体生理紊乱的化学物质
B.能用于防治及诊断疾病的化学物质
C.能干扰机体细胞代谢的化学物质
D.用于治疗疾病的化学物质
正确答案是B
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
More than any other single ( ), writing has transformed human consciousness.(invent)