[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fCa25x9SV5Gnje2DmxWbiZyzomnRP3yIj5n_aFLf1dbc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":77},[],"2025-11-01 06:57:21",226920033,[8,9,10,11],"核燃料(如铀-235)","中子慢化剂(如普通水、重水)","控制材料(如银铟镉合金)","负反馈机制(如水温调节)",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},28,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_44961693","2.7.1核能基础","核裂变反应堆的组成及关键要素包括()",[21,32,41,50,59,68,78,81,90,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],226920027,[25,26,27,28],"牛顿运动定律","爱因斯坦质能转换公式","热力学第一定律","库仑定律","核能的本质是通过核反应从原子核释放的能量,其能量来源的理论基础是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],226920028,[36,37,38,39],"核裂变和核聚变","核衰变和核辐射","氧化反应和还原反应","链式反应和放热反应","下列属于取得核能的方式是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],226920029,[45,46,47,48],"1个","2~3个","4~5个","6~7个","核裂变反应中,U-235原子核吸收中子后分裂成质量较小的原子核,同时释放的中子数量通常为()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],226920030,[54,55,56,57],"0.7%","1%~2%","3%~7%","20%以上","核电轻水反应堆一般使用的铀-235富集度为()",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],226920031,[63,64,65,66],"核反应堆","托卡马克装置","汽轮机","变压器","实现磁约束核聚变的关键装置是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":77},[],226920032,[72,73,74,75],"储量丰富,高度富集","清洁环保,有利于保护环境","经济性与火电竞争,燃料费占比低","减轻燃料运输对交通的负担","核能的优点包括()",1,{"answer":79,"createTime":5,"id":6,"options":80,"question":19,"source":30,"type":77},[],[8,9,10,11],{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":30,"type":77},[],226920034,[85,86,87,88],"需在极高温度(上亿摄氏度)下进行","相同质量下释放能量远超核裂变","原料来源广泛(如氘可从海水中提取)","目前已实现工业规模应用","核聚变反应的特点有()",{"answer":91,"createTime":5,"id":92,"options":93,"question":96,"source":30,"type":97},[],226920035,[94,95],"正确","错误","核能属于可再生能源.()",3,{"answer":99,"createTime":5,"id":100,"options":101,"question":102,"source":30,"type":97},[],226920036,[94,95],"核裂变反应中,质量亏损转化为巨大能量.()"]