单选题The aft part of a vessel on the port side is called port（）.A port sternB quarterC aft quarterD starboard

Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called ______.

A.list

B.heel

C.trim

D.Flotation

If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.

A.hold course and speed

B.sound the danger signal

C.keep out of the way of the other vessel

D.turn to port and come into the wind

Your vessel has lifeboats on both sides. Lifeboat No. 2 is located ________.

A.forward of lifeboat No. 4 on the starboard side

B.forward of lifeboat No. 4 on the port side

C.aft of lifeboat No. 1 on the starboard side

D.All of the above

How would you pass a red buoy in the maritime buoyage system “A”?______.

A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leaving

B.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leaving

C.keep the buoy on the vessel’s starboard side when approaching and leaving

D.keep the buoy on the vessel’s port side when approaching and leaving

If it becomes necessary for a stand-on vessel to take action to avoid collision，she shall NOT，if possible，().

A.Decrease speed

B.Increase speed

C.Turn to port for a vessel on her own port side

D.Turn to starboard for a vessel on her own port side