道岔由转辙部分、()和辙叉部分组成。 ["电气部分","机械部分","连接部分","控制部分"]
“十三五”时期的定位是()。 ["决胜阶段","决战阶段","收官阶段","超越阶段"]
女,35岁。面纵向隐裂且累及牙髓,临床牙冠较短,咬合紧,根管治疗已完成。该牙的最佳修复体设计是() ["邻

瓷嵌体","邻

合金嵌体","全瓷冠","铸造金属全冠","金属烤瓷全冠"]
肾损伤同时有休克,为预防ARF应() ["尽早使用抗菌药物","尽早使用利尿剂","及时清除尿路中血块","尽早补充血容量","尽早使用止血剂"]
世界上第一个安乐死合法化的国家是() ["美国","澳大利亚","英国","法国","荷兰"]
裂隙式喷发