[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fwccmJEvs8fFpMcYrDH3ffE1GVSb85IG8pIesVyoQAek":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2026-01-19 19:52:09",314677130,[8,9,10,11],"输入采样","程序执行","输出刷新","输出采样",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},102,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_49731529","练习题5","PLC工作过程主要有()",[21,26,35,44,51,60,69,78,87,96],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",1,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],314677131,[30,31,32,33],"周期性顺序扫描","轮询控制","集中批处理","随机控制","PLC的工作原理包括如下哪几项",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],314677132,[39,40,41,42],"过程映像输入区I","寄存器M","临时存储L","数据块DB","以下哪几种存储类型是全局有效",{"answer":45,"createTime":5,"id":46,"options":47,"question":50,"source":24,"type":25},[],314677133,[48,40,42,49],"过程映像输出区Q","物理输入区I_:P","以下哪几种存储区可以扩充",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":24,"type":25},[],314677134,[55,56,57,58],"步","有向连线","转换条件","动作","GEAFECT流程图主要由以下哪几个步骤所组成",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":24,"type":25},[],314677135,[64,65,66,67],"组织块OB","函数块FB","函数FC","数据库DB","S7-1200的用户程序包含以下哪几种块",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":24,"type":25},[],314677136,[73,74,75,76],"封装","复制","多态","继承","面向对象程序设计的三大特点是",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":24,"type":25},[],314677137,[82,83,84,85],"Static","Temp","Constant","InOut","FC支持以下哪几种参数类型",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":24,"type":25},[],314677138,[91,92,93,94],"I","Q","DB","FC Temp下定义的","以下哪几种参数属于全局变量",{"answer":97,"createTime":5,"id":98,"options":99,"question":102,"source":24,"type":25},[],314677139,[100,101,85,84],"Return","Input","FC\u002FFB中以下哪些参数可以定义多个"]