There is a smell of gas in the hold. You must wear your （）(氧气面罩).

单项选择题Prepare for （）(弃货) cargo.

A.jettisoning
B.lowering
C.hoisting
D.abandoning

单项选择题Post two lookouts with （）(望远镜).

A.binoculars
B.mask
C.sextant
D.VHF

单项选择题Prevent （）(油) overboard

A.chips
B.water
C.cotton
D.oil

单项选择题Put on your （）(救生衣).

A.lifeboat
B.life-jacket
C.life-raft
D.lifebuoy

单项选择题Proceed to your （）(集合地点).

A. muster list
B. muster
C. muster station
D. price list