第3题: [单项选择]Whom does the man want to talk with A. They have had special training. B. They have much experience. C. They are well-known all over the worl 参考答案:B
第5题: [单项选择]为淡黄色粘稠微具特臭的半固体是羊毛上的脂肪性物质的混合物() A. 蜂蜡 B. 羊毛脂 C. 软石蜡 D. 石蜡 E. 二甲基硅油 参考答案:B 答案解析:由多种分子两烃类组成的半固体状物,无刺激性,适用于遇水不稳定的药物的软膏剂基质是凡士林;主要成分是棕榈酸蜂蜡醇脂,属弱W/O型乳化剂,用于取代乳剂型基质中部分脂肪性物质以调节稠度或增加稳定性的是蜂蜡;