[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3C3-1hs8E5f0wis2kvnYUQAprRmfttwdvGumRWn0IwM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":57},[],"2023-05-08 00:42:09",85531364,[8,9,10,11],"三菱","立石","通用电气","西门子",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000000954","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87b43fc4b6e22b416686c9c5cd74d4ae.jpg","PLC控制技术","30663705","第一章单元测试","S7-200SMART PLC是( )公司的产品",[20,29,34,39,44,49,54,58,67,76],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],85531353,[24,25],"对","错","S7-200 SMART PLC的以太网通信端口可以下载程序.( )","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],85531355,[24,25],"S7-200 SMART PLC的RS485通信端口可以下载程序.( )",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":27,"type":28},[],85531357,[24,25],"在PLC的一个扫描周期内,输入状态是不会发生改变的.( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":27,"type":28},[],85531359,[24,25],"PLC的CPU 根据用户程序存放的顺序读取、解释和执行程序.( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":27,"type":28},[],85531361,[24,25],"梯形图是使用得最多的PLC编程语言.( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":27,"type":28},[],85531362,[24,25],"模块式结构的PLC一般大中型的PLC采用.( )",{"answer":55,"createTime":5,"id":6,"options":56,"question":18,"source":27,"type":57},[],[8,9,10,11],0,{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":27,"type":57},[],85531366,[62,63,64,65],"4KB以下","8KB以下","4MB以下","16MB以下","小型PLC的内存容量在( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":27,"type":57},[],85531368,[71,72,73,74],"Programmable Logic Controller","Personal Computer","Programmable Controller","Programmable Computer","可编程序逻辑控制器,简称PLC,可编程控制器也简称PLC,那么可编程控制器英文全称是( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":27,"type":57},[],85531371,[80,81,82,83],"1968年","1969年","1971年","1953年","世界上第一台PLC诞生于( )"]