单项选择题 All casualties such as personnel injuries or illness，oil spills，accidental fire，collision，stranding，and unusually severe weather damage，whether at sea，in port，or in shipyard，must be promptly（）to the company.

单项选择题 After you activate your emergency position indicating radiobeacon，you should（）.

单项选择题 A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the（）.