[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fO3J7asAukocxDZIVlqMaKreTjvOMUPJRtmRIJJOzXbM":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":108,"createTime":26},260678093,"v1","对于绝缘用具,使用前应按规定对其进行( )试验",[8,9,10,11],"耐高温","耐潮","电场","耐压",[],[14,27,37,47,56,60,68,78,88,98],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},260678089,"砂轮机研磨台间距应在( )mm以内",[18,19,20,21],"3","6","4","5",[],[],0,null,"2025-12-12T06:15:07+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},260678090,"调车作业人员在摘结制动软管、调整钩位、处理钩销、采取或撤除防溜措施前,必须等列车、车列(组)停妥并得到( )的回示后方可进行",[31,32,33,34],"调车长","连结员","助理值班员","司机",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},260678091,"房建作业人员现场使用的照明、发电机等设备,应具备( )功能,杜绝漏电造成触电伤害",[41,42,43,44],"防雨防水","防摔","防破损","自动检测",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":54,"related":55,"type":24,"origin":25,"createTime":26},260678092,"作业人员进入牵引所(亭)、电力变配电所电缆夹层,应提前通风( )min后再进入",[51,52,53,21],"10","20","15",[],[],{"id":4,"source":5,"question":6,"options":57,"answer":58,"related":59,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"id":61,"source":5,"question":62,"options":63,"answer":66,"related":67,"type":24,"origin":25,"createTime":26},260678094,"作业人员下道避车时,距钢轨头部外侧距离不小于( )m,设有避车台(洞)的桥梁(隧道)应进入避车台(洞)避车",[64,65,18,20],"1","2",[],[],{"id":69,"source":5,"question":70,"options":71,"answer":76,"related":77,"type":24,"origin":25,"createTime":26},260678095,"救护员使用仰头举颏法开放气道时,应使伤员的下颌角与耳垂的连线和地面( )",[72,73,74,75],"呈45°夹角","平行","垂直","呈30°夹角",[],[],{"id":79,"source":5,"question":80,"options":81,"answer":86,"related":87,"type":24,"origin":25,"createTime":26},260678096,"普速铁路作业人员下道避车时,距钢轨头部外侧距离不小于( )m,设有避车台(洞)的桥梁(隧道)应进入避车台(洞)避车",[82,83,84,85],"2.5","2.0","1.0","1.5",[],[],{"id":89,"source":5,"question":90,"options":91,"answer":96,"related":97,"type":24,"origin":25,"createTime":26},260678097,"使用摩擦压力机时,安装或更换模具时要切断( ) ,手柄置于空位",[92,93,94,95],"水源","油源","电源","风源",[],[],{"id":99,"source":5,"question":100,"options":101,"answer":106,"related":107,"type":24,"origin":25,"createTime":26},260678098,"被毒蛇咬伤后要保持冷静,应尽量减少活动,让伤肢保持( ),减少毒液的吸收",[102,103,104,105],"低垂位","侧身位","水平位","高举位",[],[],{"courseName":109,"courseImg":110,"workName":111,"workId":112,"count":113,"courseId":114},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","安全单选练习","exam_168086748",421,"53e1d2ef4961cca8eea3e23969ad2cb9"]