Which of the following is true?（）

单项选择题Which of the following is false?（）

A.A company should develop a SMS and implement it
B.A company implementing a SMS properly may obtain a DOC
C.Once a company obtains its DOC, each vessel of this company will obtain a SMC
D.DOC is valid for 60 months unless “major non-conformity” is found

单项选择题Which kind of vessel is not required to comply with the ISM code until 2002?（）

A.Passenger ships and high-speed crafts of 500 gross tons or more
B.Oil tankers and Chemical tankers and Gas carriers
C.Bulk freight vessels
D.General cargo vessels

单项选择题Which of the following about ISM Code is not right?（）

A.It aims to ensure safety at sea
B.It aims to avoid damage to the environment
C.It aims to prevent human injury or loss of life
D.It aims to provide a method to run a company

单项选择题The International Management Code for the safety operation of ships and for Pollution Prevention is referred to as（）

A.ISM Code
B.IOPP Code
C.IMS Code
D.ISPS Code

单项选择题When the ship security alert system is activated, it shall not（）

A.initiate a ship-to-shore security alert
B.transmit a ship-to-shore security alert
C.initiate an alert identifying the ship, its location
D.raise a security alarm on-board the ship indicating that the ship is under threat