第17题:[多选题] 根据JJG 596—2012《电子式交流电能表检定规程》要求,以下属于2级直接接入式电子式交流电能表有功基本误差检定调定负载点的有( ) A. Imax,1.0 B. 0.1Ib,1.0 C. 0.05Ib,1.0 D. 0.05Ib,0.5L 参考答案:ABC 出处JJG 596—2012《电子式交流电能表检定规程》6.4.5 【知识点、考核点】电子式交流电能表检定、检定方法
第24题: [单项选择]Superstitions had their origins (起源于) in ______. A. commands from the "Gods" B. fear of the unknown C. evidence of what had actually happened D. careful studies 参考答案:B 答案解析:此题为简单的细节题。文中的最后一段说...had their origins in the primitive fear of the unknown still exist in modern la