司可巴比妥钠
A．中性或碱性物质B．酮体C．对氨基苯甲酸D．亚硫酸盐和可溶性淀粉E．其他生物碱 下列药物的杂质检查项目是
参考答案：A
—Alex's already gone back to Australia, _________?
—_________. He is on a visit to Shanghai.[ ]
A. isn't he; No
B. hasn't he; Yes
C. isn't he; Yes
D. hasn't he; No
咽异感症
