单项选择题
A.手术治疗B.放疗C.化疗D.生物治疗
A.>1000ug/LB.>2000ug/LC.>3000ug/LD.>500ug/L
A.1/50B.1/10C.1/4D.1/2
A.苯妥英钠B.SMZC.庆大霉素D.制霉菌素
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