单项选择题
A.S-Band Radar
B.A DSC receiver
C.X-Band Radar
D.The autoalarm
单项选择题 Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）
单项选择题 Which list is NOT required to be provided as part of the appendices of the Shipboard Oil Pollution Emergency Plan?（）
单项选择题 Which is NOT a mandatory part of the shipboard Oil Pollution Emergency Plan?（）