白居易《霓裳羽衣舞歌》：“千歌万舞不可数，就中最爱霓裳舞。”请问此舞女是谁？
参考答案：白居易《霓裳羽衣舞歌》中形容的舞女是关盼盼。
聚酰胺分离黄酮类化合物时，洗脱能力最强的洗脱剂是（ ）
A．水
B．乙醇
C．丙酮
D．甲酰胺
E．二甲基甲酰胺
We do our best to be careful and prevent bad things from happening,but most of us will________ find
ourselves in a situation where we or someone else needs help.
A. personally
B. obviously
C. particularly
D. eventually
