下列属于替代医学的是（） ["脊柱按摩疗法、同类疗法","物理疗法（自然疗法）、饮食疗法","磁疗法","以上都是"]
Cargo securing for Ro-Ro is based on the concept of（）. ["solid packing","rapid loading and discharge","vessel loaded full and down to her marks","palletized cargo"]
柜面服务人员对投诉内容应“三清楚”，即（）避免催促应对。 ["事实清楚","责任清楚","责任人清楚","赔偿依据清楚"]
20千伏配电网线路单相接地与10千伏相比有何区别？为什么要加装零序电流保护？
较为理想的医疗保健体系是（） ["“金字塔”形的三级医疗保健体系","“金字塔”形的四级医疗保健体系","“金字塔”形的五级医疗保健体系","“金字塔”形的六级医疗保健体系"]
模糊控制器是由模糊化接口、（）、推理机和清晰化接口组成。
