【判断题】There are four major roles in Beijing Opera today: sheng (male), dan (female), jing (male with a painted face) and chou (clown).
【简答题】下列物质中属于酸的是( ) A.NaHSO 4 B.H 2 SO 4 C.CH 3 COOH D.C 2 H 5 OH
【多选题】Sheng in Beijing opera include ______.
【判断题】In Beijing Opera , The sheng roles are generally positive and female
【简答题】下列物质中属于酸的是( ) A.Na 2 SO 4 B.NaHSO 4 C.H 2 SO 4 D.NaOH
【单选题】对物质进行分类是化学学习中的常用方法。下列物质中属于酸的是
【单选题】__________ is not a role type of Sheng in Beijing opera.( )
【单选题】下列物质中属于酸性氧化物但不溶于水的是( )