] 载重线标志的作用有________。 I.确定船舶干舷;II.限制船舶的装载量;III.确定船舶的总吨位;IV.保证船舶具有足够的储备浮力。 A. Ⅰ,Ⅱ B. Ⅰ,Ⅱ,Ⅲ C. Ⅰ,Ⅱ,Ⅳ D. Ⅰ,Ⅱ,Ⅲ,Ⅳ [00((B) 载重线标志由一圆圈和一水平线相交组成,水平线的________通过圆圈的中心。 A.中心线 B.上边缘 C.下边缘 D.结合各船特点确定
【判断题】In the business buying center, buyers are given formal responsibility for making the purchase while deciders are the individuals who authorize those decisions.