0.1ml,250U 0.1ml,0.25mg 0.1ml,0.075mg 2链霉素皮肤过敏试验的注射剂量为 A. 0.1ml,150U B. 0.1ml,2500U C. 0.1ml,250U D. 0.1ml,0.25mg E. 0.1ml,0.075mg 3链霉素皮肤过敏试验的注射剂量为 A. 0.1ml,150U B. 0.1ml,2500U C. 0.1m1,250U D. 0.1ml,0.25mgE.0.1ml,0.075mg 4链霉素...