甲出差住乙旅馆，晚上在房间休息时，房间的吊灯突然脱落致甲受伤。后查明该吊灯是丙装修队安装，因使用时间过长螺丝松动所致。甲想索赔，下列说法正确的是（） ["A、甲应向乙索赔 ","B、甲应向丙索赔 ","C、甲可以向乙或丙索赔 ","D、甲应要求乙和丙共同赔偿"]
痤疮的治疗原则应除外 ["A．去脂","B．溶解角质","C．杀菌","D．消炎","E．抗结核"]
EPSP
以下与痤疮发病无关的是 ["A．皮脂产生增多","B．毛囊口上皮角化亢进","C．痤疮丙酸杆菌增殖","D．真菌感染","E．遗传因素"]
渗透性利尿
clearance，C
