药物信息咨询服务中明确问题关键所在一步是() ["明确问题","问题归类","查阅文献","回答提问","随访咨询者"]
施工方案的可行性评审属于() ["行政评审","技术评审","商务评审","都不是"]
一般能受“不”修饰的是() ["名词介词","动词形容词","动词数词","形容词名词"]
一般质谱图上,荷质比最大的峰为()。 ["分子离子峰","碎片离子峰","亚稳离子峰","同位素离子峰"]
在下列磺酰脲类降糖药物中,适宜于糖尿病合并肾病患者应用的是() ["格列美脲","瑞格列奈","氯磺丙脲","格列吡嗪","格列喹酮"]
合成糊料的组成和用途是什么?有什么优缺点?