在痤疮的治疗中,可口服糖皮质激素的痤疮类型为()
A.寻常痤疮
B.玫瑰痤疮
C.药物性痤疮
D.月经前痤疮
E.聚合性痤疮
参考答案:E
—How often do you walk to school?
—______. [ ]
A. Never
B. Two hours
C. 1 point
D. by bus
玉兰和木兰的区别?