储存物品属于乙类的是（）。 乙炔。 硫磺。 机油。 闪点大于等于60℃的柴油。
You are in charge of a stand-on vessel in a crossing situation.The other vessel is 1.5 miles to port.You believe that risk of collision exists.You should（）. take avoiding action immediately upon determining that risk of collision exists。 immediately sound the danger signal。 take avoiding action only after providing the give-way vessel time to take action ,and determining that her action is not appropriate。 hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collisio。
分布式电源是指分布式发电与储能装置的（）。 独立系统。 联合系统。 分布系统。 整合系统。
Instructions for on-board maintenance of each life-saving appliance shall not include（）. a checklist for use when carrying out the inspections。 list of crew members。 maintenance and repair instructions。 schedule of periodic maintenance。
某8位微型机地址码为18位，若使用4K×4位的RAM芯片组成模块板结构的存储器，试问：CPU如何选择各模块板？
“男女授受不亲”、“相夫教子”等此类的人伦常理表达的是（）的观点。
