水手英语舷梯值班单项选择题每日一练(2019.01.13)

单项选择题
When you hoist national flag, you should hoist it（）.
A.quickly
B.rapidly
C.slowly
D.speedily
单项选择题
hoist（）
A.升起
B.降低
C.调整
D.改变
单项选择题
The main tasks for sailors on duty are, first of all,（）the persons who come on board to do their business.
A.received
B.receives
C.receiving
D.receive
单项选择题
Which of the following is not the duty of the sailor on gangway watch? （）
A. Noticing rise and fall of the tide.
B. Adjusting the mooring line.
C. Discharging cargoes.
D. Receive visitors
单项选择题
When you keep a （）(舷梯班), what are your duties?
A. deck watch
B. navigational watch
C. gangway watch
D. engine watch