以下疾病属于丹毒的是（）
A.流痰
B.红斑
C.流火
D.流注
E.抱头火丹
参考答案：C, E
I think physics is ________ and difficult ________.
A．confused; to learn
B．confusing; to be learned
C．confused; to learn it
D．confusing; to learn
控制开关一般有哪六个位置？
