单项选择题
Make fast the fore and aft ropes and lay out the embarkation ladder.（）
A.送出首、尾缆，放登艇梯。 B.送出首、围缆，放下艇梯。 C.挽牢首、尾缆，放登艇梯。 D.挽牢首、尾缆，放下舷梯。
单项选择题 Put in boat plug and hand the fender and the puoy.（）
单项选择题 I would put on my life-jacket and go to muster station as soon as possible.（）
单项选择题 Lifeboat launching is operated at intervals of three months.（）
