相关考题
-
单项选择题
Modern ships are navigated by（）（卫星）.
A.moon
B.satellite
C.sextant
D.radar -
单项选择题
Their task is to（）（驾驶） the ship safely.
A.navigate
B.operate
C.takeover
D.drive -
单项选择题
Keep the vessel to the （）(中间)of the channel.
A.port
B.middle
C.head
D.front
