HIV感染的皮肤表现中，表示预后差的标志是（）。
A.毛细血管扩张征
B.脂溢性皮炎
C.口腔毛状黏膜白斑
D.银屑病
E.卡波西肉瘤
参考答案：C
中国航油集团石油有限公司HSE管理的目标分别是什么？
I’ve known several people who have overcome nail-biting simply by buying 50 nail files and distributing them everywhere: in their pockets, desks and bedrooms.
