單項(xiàng)選擇題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


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1.單項(xiàng)選擇題A distress signal（）.

A.consists of 5 or more short blasts of the fog signal apparatus
B.may be used separately or with other distress signals
C.consists of the raising and lowering of a large white flag
D.is used to indicate doubt about another vessel's intentions

2.單項(xiàng)選擇題AS SOON AS I HAVE FURTHER INFORMATION I WILL MAKE ANOTHER ANNOUNCEMENT. I ASK YOU KINDLY TO REMAIN CALM. THERE IS NO DANGER AT THIS TIME. These words are likely from（）.

A.the captain of a vessel in distress
B.representative of ship owners
C.an officer from port authorities
D.the pilot of a vessel entering a port in foreign country

3.單項(xiàng)選擇題ALL PASSENGERS OF DECK NO.2 ARE REQUESTED TO FOLLOW THE CREW MEMBERS WHO WILL ESCORT YOU TO YOUR ASSEMBLY STATIONS. From this sentence you can concluded that the vessel is in（）.

A.immediate danger to collide with another vessel
B.a situation in which more passengers will embark on board
C.berth and ready to disembark her passengers
D.distress

4.單項(xiàng)選擇題You are proceeding to a distress site. The survivors are in liferafts. What will make your ship more visible to the survivors?（）.

A.Steering a sinuous course
B.Steering a zig-zag course
C.Turning on all available deck lights at night
D.Dumping debris over the side to make a trail to your vessel

5.單項(xiàng)選擇題Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?（）.

A.CSS duties are always assumed by passenger vessels，dry cargo vessels，or tankers in that order of precedence
B.The CSS must be established by mutual agreement between the ships concerned
C.A tanker should never be assigned CSS duties unless only tankers are present
D.The first vessel to arrive at the distress incident is designated as the CSS