船舶在港停泊发生应急情况时，负责现场指挥的是（）。
A.船长
B.大副或轮机长（事故现场在机舱时）
C.三副
D.二副
参考答案：B
—My sister is going to skate on the lake.
—You should ______ her. It' s too dangerous.[ ]
A. believe
B. carry
C. lift
D. prevent
A multigravid client in active labor is about to deliver. The nurse has no help immediately available. What should the nurse do first
A．Prepare a clean area on which to deliver the neonate.
B．Lower the head of the bed to a flat position.
C．Have the client push with a contraction.
D．Ask the client to take a deep breath and hold it.
