单选题:Questions are based on the conversation you have just heard. 题目分类:英语六级 题目类型:单选题 查看权限:VIP 题目内容: Questions are based on the conversation you have just heard. 请作答_______ A.At a public foru B.In an auditoriu C.On T D.In a classroo 参考答案: 答案解析:
可用溶液的澄清度检查法检查属于阿司匹林原料药中的杂质为 可用溶液的澄清度检查法检查属于阿司匹林原料药中的杂质为A.甲基橙 B.盐酸 C.酚酞 D.乙醚 E.醋酸苯酯 分类:英语六级 题型:单选题 查看答案