多项选择题Which of the following musicians are Chaozhou zheng musicians? A、Su Wenxian B、Guo Ying C、Lin Maogen D、Wang Xingw
多项选择题下列化合物不能用作食用色素的是( ) A、苯胺紫; B、苏丹红; C、姜黄; D、靛蓝;