已知集合A={-1,0,1,2},B={-2,1,2},则A∩B=[ ]
A.{1}
B.{2}
C.{1,2}
D.{-2,0,1,2}
答案:C
患者男性,35岁,肛门肿痛4天,痛如鸡啄,恶寒发热,口干便秘,小便困难,肛周红肿,按之有波动感,舌红,苔黄,脉弦滑。
肛周脓肿脓溃末尽时的治疗方法()
A.金黄膏外敷
B.冲和膏纱条引流
C.红油膏纱条引流
D.生肌散纱条引流
E.不必引流,应用抗生素
The police will have to the room for fingerprints.
A.check
B.examine
C.clean
D.analyze