阵发性室上性心动过速的治疗下列哪些是正确的() ["腺苷快速静脉","米力农静注","洋地黄静注","艾司洛尔静注","维拉帕米静注"]
下述哪些情况会出现腹膜炎体征() ["消化道穿孔","急性化脓性阑尾炎","急性单纯性阑尾炎","重症胆管炎","肠扭转伴肠段坏死"]
油浸式变压器一般采用什么绝缘() ["F级","A级","B级","C级"]
当局域内的计算机向外传输信息时,哪种设备可以明确地告诉它,应该走的最佳路径:()。 ["集成器","路由器","网桥","网卡"]
用兆欧表遥测设备绝缘时,如果摇表的转速不均匀(由快变慢),测得的结果与实际值比较() ["偏低","偏高","相等","无关"]
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