营销员在推销某产品时，客户以无钱购买为由，提出不能接受推销品，这属于客户的（）类型。 ["财力异议","价格异议","推销者异议","权力异议"]
All fog signals shall be sounded every two minutes with the exception of a vessel（）. ["underway or making way","under sail or under tow","anchored or aground","not under command or restricted in her ability to maneuver"]
印度尼西亚采用的是（）医疗保险模式。 ["储蓄","国家","商业","社会"]
Windows操作系统中没有直接定义的鼠标操作是（）。 ["左键双击","右键单击","中键拖动","左键拖动"]
散货船的结构特点是什么？
矿砂船的结构特点是什么？
