单项选择题
A.the ship is fully loaded
B.the ship loaded with water
C.a ship with cargo
D.a ship with no cargo
单项选择题 The phrase “When built” in the Certificate of Vessel’s Nationality definitely means（）.
单项选择题 The expression THE AIR IS SATURATED means（）.
单项选择题 The broadcast will normally be made on the two listed frequencies simultaneously except during transmitter maintenance periods when the broadcast will be made on the two frequencies（）.