完全属于润滑油特性指标的一组()。
A.粘度、闪点、机械杂质
B.粘度、凝固点、闪点、水份、机械杂质、酸值
C.凝固点、水份、机械杂质、酸值
D.粘度、凝固点、闪点
参考答案:B
长于治疗下焦血热所致出血的药物是()
A.蒲黄
B.地榆
C.大蓟
D.侧柏叶
E.羊蹄
Many world leaders ____ to reduce poverty and help the poor live better at the conference.
A.agreed
B.accepted
C.permitted
D.allowed