每艘货船救生(助)艇的布置,应使其全部乘员在从发出登艇指令时起不超过()分钟登艇完毕,并应能速度离艇?
参考答案:3
Look! There are some boys _____ soccer there. [ ]
A. playing
B. play
C. plays
D. are playing
对于颅脑外伤伴充血性心功能衰竭患者,哪项不可取()
A.氟塞米
B.过度换气
C.限制入液量
D.甘露醇快速滴入
E.肾上腺素皮质激素