[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHUda8l6EAOWNFWNJgo3-K0F-wcwBe4PByLWUVMuK3KQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":72},[],"2026-03-07 17:07:55",321123822,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},10,"a3e7e572920fe78b4a407c71e541be22","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Feae5d64ce1846037a9a4fd25afcfa6f5.jpg","电工电子技术","27a8d72da4d04682a4beac7ada79a28f","任务0.1电气安全与触电急救测验","在潮湿环境中,人体电阻会显著降低,因此触电危险性更大",[19,31,40,49,58,67,73,78,83,86],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2026-03-07 17:04:30",321123624,[24,25,26,27],"275mA,致命危险","275mA,非致命危险","110mA,致命危险","110mA,非致命危险","某工人在潮湿环境中操作电气设备时发生单相触电,已知其人体电阻为800&Omega;,接触电压为220V,若触电时间超过心脏搏动周期(约0.02s),则通过人体的电流及触电危险性分别为","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],321123625,[35,36,37,38],"直接用手拉开触电者","用干燥木棒挑开电源线","用金属工具切断电源线","等待专业人员到场再处理","当发现有人触电且电源开关距离较远时,下列哪种做法是正确的紧急处置措施",{"answer":41,"createTime":21,"id":42,"options":43,"question":48,"source":29,"type":30},[],321123626,[44,45,46,47],"保护接地适用于中性点直接接地系统","保护接零适用于中性点不接地系统","保护接地通过降低接触电压实现安全防护","保护接零的接地电阻要求大于4&Omega;","关于保护接地和保护接零的描述,正确的是",{"answer":50,"createTime":21,"id":51,"options":52,"question":57,"source":29,"type":30},[],321123627,[53,54,55,56],"15:2","30:2","5:1","10:1","发生触电事故后,对心跳呼吸骤停的触电者进行心肺复苏时,胸外按压与人工呼吸的比例应为",{"answer":59,"createTime":21,"id":60,"options":61,"question":66,"source":29,"type":30},[],321123628,[62,63,64,65],"直接拉开触电者","使用绝缘工具拉开电源线","通知电力部门停电后再施救","用金属杆将触电者挑离电源","在高压触电事故中,当触电者位于高压带电体附近时,救援人员应采用哪种方法使触电者脱离电源",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":29,"type":72},[],321123819,[8,9],"在发生触电事故时,应首先迅速切断电源,再进行触电急救",3,{"answer":74,"createTime":5,"id":75,"options":76,"question":77,"source":29,"type":72},[],321123820,[8,9],"当发现有人触电且呼吸停止但心跳存在时,应立即进行胸外按压",{"answer":79,"createTime":5,"id":80,"options":81,"question":82,"source":29,"type":72},[],321123821,[8,9],"电气设备的保护接地电阻越大,保护效果越好",{"answer":84,"createTime":5,"id":6,"options":85,"question":17,"source":29,"type":72},[],[8,9],{"answer":87,"createTime":5,"id":88,"options":89,"question":90,"source":29,"type":72},[],321123823,[8,9],"对触电者进行急救时,若其瞳孔放大且对光反射消失,则说明已经死亡,无需继续抢救"]