Keep to the middle of the（）(航道) ！

单项选择题Keep to the middle of the（）(航道) ！

A.buoy
B.mark
C.beacon
D.channel

1.单项选择题An officer is always（）（值班）on the bridge .

A. on watch
B. taking watches
C. standing watches
D. keep watches

2.单项选择题What（）(航速)?

A.speed
B.line
C.wake
D.route

3.单项选择题（）（尾） thrust half to part!

A.Bow
B.Stern
C.Tail
D.After

4.单项选择题We need an experienced（）（一水）.

A.AB
B.seaman
C.OS
D.agent

5.单项选择题Ring the forecastle（）（钟）.

A.bell
B.clock
C.hammer
D.spanner

6.单项选择题Modern ships are navigated by（）（卫星）.

A.moon
B.satellite
C.sextant
D.radar

7.单项选择题Their task is to（）（驾驶） the ship safely.

A.navigate
B.operate
C.takeover
D.drive

8.单项选择题Keep the vessel to the （）(中间)of the channel.

A.port
B.middle
C.head
D.front

9.单项选择题The after part of a ship is called（）(船尾) .

A.head
B.tail
C.stern
D.quarter

10.单项选择题Steer（）（北）！

A.south
B.north
C.east
D.west