赭石主含() ["铁的氧化物","铁的硫化物","汞的硫化物","铜的硫酸化物","汞的氧化物"]
急性踝关节外侧韧带损伤治疗要点不包括() ["冷敷","热敷","加压包扎","抬高患肢","制动休息"]
接近开关的图形符号中,其菱形部分与常开触点部分用()相连。 ["A、双虚线","B、实线","C、双实线","D、虚线"]
架空送电线路导、地线是否需要采取防振措施主要与下列哪个因素有关()? ["最大风速","最低温度","最大张力","平均运行张力"]
医学模式的转变,医患关系应特别注重哪种水平上的交往() ["技术水平","非技术水平","非言语水平","言语水平","以上都是"]
()和()推动了广告的发展。