阴茎癌最好的预防措施是（）。
A.每天外阴清洗
B.治疗包皮龟头炎
C.包皮环切术
D.包皮背侧纵切开术
E.应用抗生素
参考答案：C
Security was such a major concern at the conference that no journalists could approach the meeting zone without ________ the special pass.
A．commanding
B．issuing
C．producing
D．involving
急黄的最主要病机是
A．湿热熏蒸，湿遏热伏B．湿热内蕴，蒙蔽心包C．湿热夹毒，热毒炽盛D．肝胆郁热，气机阻滞E．瘀阻肝脾，水气内聚
