供应链管理中渠道结构的影响因素主要有（）。 A.市场覆盖率目标。 B.产品特征。 C.产品的自身价值。 D.客户服务的目标。 E.利润。
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）. The vessel must carry only the lights that comply with the rules; the others may be omitted。 The vessel's lights must comply as closely as possible，as determined by her government。 The vessel must be altered to permit full compliance with the rules。 An all-round light should be substituted for the after masthead light and the stern light。
Telnet服务器起什么作用（）。 它是一个新闻组服务器。 它是一个聊天服务器。 它是一个远程登录服务器。 它是一般常用的服务器。
在ISTA中完成车辆测试后，控制单元树状图会显示出哪些信息（） 特定控制单元的故障代码存储器记录。 控制单元的安装位置。 控制单元已安装并注册。 所装控制单元的总线连接。
You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）. No fog signal。 A prolonged blast at intervals never to exceed more than two minutes。 A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes。 A prolonged blast followed by three short blasts at intervals never to exceed more than one minute。
One of the differences between a two-stroke engine and a four-stroke engine is,（）
