起重工安全操作规程中规定:钢丝绳被烧坏、断了一股或表面钢丝绳磨损,磨蚀达钢丝直径的()以上时均应更换掉。
A.15%
B.25%
C.40%
D.60%
参考答案:C
At the seventh International Ballet Competitions , Fernando Bujones won the first gold medal ever
to an American male dancer .[ ]
A. awarded
B. to be awarded
C. being awarded
D. should be awarded
下列有关药物表观分布容积的叙述中,叙述正确的是()
A.表观分布容积大,表明药物在血浆中浓度小
B.表观分布容积表明药物在体内分布的实际容积
C.表观分布容积不可能超过体液量
D.表观分布容积的单位是升/小时
E.表观分布容积具有生理学意义