A shipper of cargo aboard your vessel offers a letter of indemnity for the cargo. This is done in order to obtain a(n)（）. ["Clean Bill of Lading","Order Bill of Lading","Straight Bill of Lading","Through Bill of Lading"]
One of the main functions of wearing rings, as used in a centrifugal pump, is to （）. ["maintain radial alignment between the pump impeller and casing","absorb all impeller shaft end thrust","prevent water leakage to the atmosphere","prevent wear of the pump casing and\/or impeller"]
已经发布的C&C08交换机巡检工具，其主要功能包括（）。 ["巡检工程管理","巡检设备性能","生成巡检报告","巡检项目检查"]
客户导向理念演进发展中的初级阶段是（）。 ["客户满意阶段","增加客户价值阶段","客户至上阶段","客户第一阶段"]
Windows XP的（）显示了正在运行的程序。 ["开始","任务栏","资源管理器","任务管理器"]
什么叫热量损失？
