[单选] A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）

A vessel proceeding along a narrow channel shall（）. avoid crossing the channel at right angles。 not overtake any vessels within the channel。 keep as near as safe and practicable to the limit of the channel on her starboard side。 when nearing a bend in the channel，sound a long blast of the whistle。 火的主体已经暗下去，可认为火势已被控制。 冲裁工艺变形过程的三个阶段（）。 弹性变形阶段。 塑性变形阶段。 断裂阶段。 回弹阶段。 存在计算机中的证书、报告副本应该经实验室最高领导批准后修改。（） 船舶灭火中最理想的、效果最好的战术是“直接扑灭”。 A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）