[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkOHoC9uXDkD7vlwtjDl4J9UrszYqZCUiSh1Spzpn0oU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":28,"type":29},[],"2025-12-15 19:45:05",266864156,[8,9,10,11],"电磁场对人体的作用只取决于其频率","极低频电磁场的频率通常小于300Hz","射频电磁场为10MHz-300GHz","中频电磁场为300Hz-10MHz",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},85,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167549341","2025年秋自选考试","关于电磁场,以下描述哪项是错误的?()",[21,30,39,48,57,66,69,78,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":27,"source":28,"type":29},[],266864151,[25,26],"有机玻璃","铅","对贝塔辐射源防护应采用()","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],266864152,[34,35,36,37],"毫升","毫克","贝克勒尔","电子伏特","放射性活度的单位是()",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],266864153,[43,44,45,46],"表面污染检测器","闪烁探测器","SPECT和PET","非电离探测器","常用的核医学探测设备不包括()",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":28,"type":29},[],266864154,[52,53,54,55],"选用电磁波小的用品","尽量缩短使用时间","尽量选用大型同种家电制品","尽量远离电化制品","防止电磁辐射的方法不包括()",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":28,"type":29},[],266864155,[61,62,63,64],"一小时可以检测100人","可监测非金属制品","无电离辐射","不需要搜身","太赫兹安检仪的优势不包括()",{"answer":67,"createTime":5,"id":6,"options":68,"question":19,"source":28,"type":29},[],[8,9,10,11],{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":28,"type":29},[],266864157,[73,74,75,76],"中国非电离辐射防护规定","GB\u002FT8702-2009电离辐射防护规定","中国电离辐射防护规定","GB\u002FT8702-1998电磁辐射防护规定","关于电磁辐射防护,我国的国家标准是()",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":28,"type":29},[],266864158,[82,83,84,85],"三级","一级","五级","七级","切尔诺贝利事件属于几级核事件?()",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":28,"type":29},[],266864159,[91,92,93,94],"地方政府","核营运单位","个人","国家","我国的核应急管理体系不包括()",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":28,"type":29},[],266864160,[100,101,102,103],"高活度放射性废物","中活度放射性废物","极低活度放射性废物","低活度放射性废物","按照放射性强弱,放射性废物的分类下列哪项不正确?()"]