【单选题】The dan(旦)refers to any female role in Peking opera. Dan roles were originally divided into subtypes.
【单选题】________ has made great contributions to the performance of the dan role and the development of Peking Opera.
【多选题】下列属于火灾自动报警系统子系统的是( )
【判断题】With respect to the dan roles, the role of laodan mainly uses the real voice, whereas the role of qingyi uses mainly falsetto.
【多选题】法律的规范作用是法律在人们的行为和社会关系上所产生的影响和效果,主要包括指引作用、( )。
【多选题】下列属于火灾自动报警系统子系统的是( )。
【判断题】Dan, the female role in Peking Opera can also be played by male actors.