()计划是车站完成一个班运输任务的作业组织计划。
A、班
B、阶段
C、调车作业计划
参考答案:A
_____ is no doubt ______ you have to remain seated and fasten your seatbelt before the plane lands.
A.There; whether
B.It; that
C.There; that
D.It; whether
氟乙酰胺中毒时的特效解毒剂是()
A.维生素K
B.二巯丙醇
C.纳洛酮
D.氟马西尼(安易醒)
E.乙酰胺(解氟灵)