[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fS6XEE-zmBEPoOchpjFFohVHnrnkkABj9ziA1C3LHVfU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":27,"type":53},[],"2025-06-14 23:01:04",200582635,[8,9,10,11],"常规品","紧缺品","单一品种","联合品种",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"782bbe450326a39bc6a916358b79be3d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5af30558c997b02b390b8d09f858cd42.png","电子商务物流","work_42671481","第一次作业2025年春季","在市场上,存在的供大于求的物品称为( )",[21,29,34,40,45,50,54,63,73,82],{"answer":22,"createTime":23,"id":24,"options":25,"question":26,"source":27,"type":28},[],"2025-05-15 14:35:40",188118979,[],"解释下列实验事实: (1)向饱和硼砂溶液中加浓硫酸后冷却,有白色沉淀生成. (2)向TlCl3溶液中加入KI溶液得不到三价铊的碘化物TlI3. (3)向AlCl3溶液中加入Na2CO3溶液得不到Al2(CO3)3沉淀","v1",4,{"answer":30,"createTime":23,"id":31,"options":32,"question":33,"source":27,"type":28},[],188118980,[],"为什么硼酸是一元弱酸?加入甘油后其酸性为何增强",{"answer":35,"createTime":36,"id":37,"options":38,"question":39,"source":27,"type":28},[],"2025-05-21 09:45:56",188118981,[],"单质(A)为棕色粉末,在空气中火然烧生成物质(B),(B)溶于水生成(C)的溶液,该溶液显弱酸性.将化合物(D)溶于水,并用H2SO4、调节酸度,可析出(C)的晶体.(A)的氯化物(E)水解强烈,并产生(C)和刺激性气体(F).(D)受热到400°C,将失去约47%的质量,转化成(G). 试给出(A),(B),(D),(E),(F)和(G)所代表的物质的化学式,并用化学反应方程式表示各过程",{"answer":41,"createTime":36,"id":42,"options":43,"question":44,"source":27,"type":28},[],188118982,[],"某金属(A)溶于盐酸生成(B)的溶液,若溶于氢氧化钠溶液则生成(C)的溶液,两个反应均有气体(D)生成.向(C)的溶液中通入CO2,有白色沉淀(E)析出,(E)不溶于氨水.在较低的温度下加热(E)有(F)生成,(F)易溶于盐酸,也溶于氢氧化钠溶液.但在高温下灼烧(E)后生成的(G)既不溶于盐酸,也不溶于氢氧化钠溶液. 试给出(A),(B),(D),(E),(F)和(G)所代表的物质的化学式,并用化学反应方程式表示各过程",{"answer":46,"createTime":36,"id":47,"options":48,"question":49,"source":27,"type":28},[],188118983,[],"给出方框中字母A,B,C,D,E,F,G和H所代表的物质的化学式,并写出有关化学反应方程式. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae648067a1d09f44855e7bdd2fea3e84.png\">",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":27,"type":53},[],[8,9,10,11],0,{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":27,"type":53},[],200582638,[58,59,60,61],"高技术","适用","标准化","一次性","包装技术的选择应遵循科学、经济、牢固、美观和( )的原则",{"answer":64,"createTime":65,"id":66,"options":67,"question":72,"source":27,"type":53},[],"2025-06-14 23:01:05",200582644,[68,69,70,71],"铁路运输","公路运输","航空运输","水路运输","运输成本最低廉的运输方式是( )",{"answer":74,"createTime":65,"id":75,"options":76,"question":81,"source":27,"type":53},[],200582652,[77,78,79,80],"保管","整合","加工","储存","在仓储过程中对产品进行保护、管理,防止损坏而丧失价值,体现了仓储的( )功能",{"answer":83,"createTime":65,"id":84,"options":85,"question":90,"source":27,"type":53},[],200582661,[86,87,88,89],"终点用户","中间用户","始点厂家","中间厂家","配送是面向( )的服务"]