下列哪些曲种是以唱为主的()
A.数来宝
B.弹词
C.坠子
D.道情
E.评书
参考答案:B, C, D
It's bad for a man to smoke in the public places where smoking is not allowed.
A.behaviour
B.action
C.manner
D.movement
简要论述司炉工的岗位责任制。