单项选择题 PLACE ON DECK，IN MESS ROOMS，ETC.，ASSIGNED TO CREW AND PASSENGERS WHERE THEY HAVE TO MEET ACCORDING TO THE MUSTER LIST WHEN THE CORRESPONDING ALARM IS RELEASED OR ANNOUNCEMENT MADE means（）.

单项选择题 Pinching of the cargo hose between the vessel and the dock should be prevented by（）.

单项选择题 Our starboard derrick boom of hatch No.4 is badly cracked（）that it has become entirely useless.