Radar is of great help to ship in poor ___ (能见度).
A.visibility
B.VHF
C.visible
D.compass
第1题:
Q1 : Grade yourself on your Visual Basic Skill ?
1 – poor …….. 10- Advance player
Ans:
第2题:
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A.distress position
B.spoken words “Mayday, Mayday, Mayday”
C.ship’s name
D.ship’s call letters
第3题:
第4题:
A.train
B.bus
C.car
D.ship
第5题: