墨家学说的创立者是（）。 ["韩非","老子","荀子","墨翟"]
In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）. ["open and individual tank valves open","open and the individual tank valves closed","closed and the individual tank valves closed","closed and the individual tank valves ope"]
银企直联业务的价值在于（） ["A.实时监控资金","B.提高劳动效率","C.减少财务差错","D.减少财务费用"]
银行现金管理业务包含了（）几方面的内容。 ["账户及收付款管理","流动性管理","投融资管理","风险管理"]
Which of the following represents the emergency signal for fire aboard ship?（） ["More than six short blasts and one long blast on the whistle","Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm","Three short blasts of the whistle supplemented by the same signal on the general alarm","More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm"]
怎样计算同比销售比率？
