单项选择题
A.safety regulations B.technical regulations C.minimum requirements D.standard requirements
The Convention is the first to establish basic requirem...
单项选择题The Convention is the first to establish basic requirements on training certification and watch-keeping for seafarers on an international level（）
The International Sewage Pollution Prevention Certifica...
单项选择题The International Sewage Pollution Prevention Certificate shall be issued for a period specified by the Administration, which shall not exceed from the date of issue（）
A.six months B.one year C.three year D.five years
When the ship is in restricted visibility, the officer ...
When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that （） Ⅰ.Bridge order relating to changes in speed or direction of operation areimmediately implemented Ⅱ.auxiliary machinery used for maneuvering is readily available Ⅲ.permanent air or steam pressure is available for sound signals
A.Ⅰ+Ⅱ B.Ⅰ+Ⅲ C.Ⅱ+Ⅲ D.Ⅰ+Ⅱ+Ⅲ
