单项选择题
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
A.Ballast Control Operator B.Barge Supervisor C.Master or Offshore Installation Manager D.operators representative
单项选择题 Complete information on weather broadcasts throughout the world is contained in（）.
单项选择题 Compared to internal structural plating，the exterior hull plating on a ship is usually（）.
单项选择题 Compared to a low pressure system，generally the air in a high is（）.
