下列关于操作系统任务管理的说法，错误的是（） ["Windows操作系统支持多任务处理","分时系统是指将CPU时间划分成时间片，轮流为多个用户服务","并行处理可以让多个处理器同时工作，提高计算机系统的效率","分时处理要求计算机必须配有多个CPU"]
机舱沾油的棉纱，因堆放不容易产生自燃。
扑灭火灾中，为防大量用水导致船舶丧失稳性发生倾覆可采取的措施是及时进行排水，减少盲目射水或往压载舱灌水。
引起生物季节性大规模迁徙的刺激因素是：（） ["昼夜长短","光照","温度","湿度"]
After a seaman is discharged，at the end of the voyage，the final payment of wages due must be made at the earlier of within 24 hours after the cargo has been discharged or（）. ["within 4 days after the seaman's discharge","prior to the vessel's departure on the next voyage","prior to loading any out-bound cargo","prior to any change of Master"]
合理化配送的标志有库存标志；资金标志；成本和效益标志；（）。
