水手英语甲板值班单项选择题每日一练(2019.01.20)

单项选择题
（）-speed operation and rough handling of covers are dangerous.
A.Low
B.High
C.Slow
D.Quick
单项选择题
We need plenty of （）(绑扎钢丝).
A. bridge plates
B. bridge fittings
C. twist locks
D. lashing wires
单项选择题
每一个舱盖由两个或更多的盖板组成。（）
A. Each hatch consists of two panels.
B. Each hatch cover consists of two panels.
C. Each hatch consists of two or more panels.
D. Each hatch cover consists of two or more panels.
单项选择题
Fish, meat, fruit and vegetables are carried in（）.
A.containers
B.bags
C.refrigerated holds
D.cases
单项选择题
floating crane（）
A.岸吊
B.起重机
C.浮吊
D.龙门吊