单项选择题
A.spider element B.sensitive element C.link arm D.pickup transformer
At sea，we can use（）to fix the ship’s position.A.VHFB.St...
单项选择题At sea，we can use（）to fix the ship’s position.
A.VHF B.Steering Gear C.Rudder Indicator D.Loran
Assumption shall（）on the basis of scanty information es...
单项选择题Assumption shall（）on the basis of scanty information especially scanty radar information.
A.make B.be made C.not make D.not be made
As a vessel changes course to starboard，the compass car...
单项选择题As a vessel changes course to starboard，the compass card in a magnetic compass（）.
A.remains aligned with compass north B.also turns to starboard C.first turns to starboard then counterclockwise to port D.turns counterclockwise to port
