出站信号机设于股道端部距顺向道岔的警冲标不得少于（）米。 ["4","3.5","3","2.5"]
2002年底，中国保险监督管理委员会颁布《关于加快健康保险发展的指导意见》，提出了商业健康保险（）的指导方向，大大地促进了商业健康保险的发展。 ["多样化经营","稳定性经营","专业化经营","开放性经营","合作性经营"]
The line-throwing appliance provided on board ship is（）. ["for the saving of life","for fire-fighting","for mooring purpose","for towing purpose"]
The discharge from a carbon dioxide fire extinguisher should be directed（）. ["at the base of the flames","at the center of the flames","to the lee side of the flames","over the tops of the flame"]
关于编组站和区段站描述正确的是（） ["都是技术站","区段站以无改编中转货物列车为主","编组站以改编中转货物列车为主","都办理一定规模的客货运业务","编组站有完善的调车设备"]
是否在夹具中定位支承点数少于六个就不会出现过定位？
