单项选择题

在制定应急计划时，船舶需保护的重点部位通常有_____。1、驾驶台和机舱2、船员居住舱室3、装有危险货的货舱

A.1、2
B.3
C.1、2、3

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Nobody but doctors or nurses and those whoinvited by doctor Huallowed to enter the patients room.
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A．urge
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