[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fKhpl8LssmLmJHyCwmgcqx0TBesHGQYewQXMorbaEvUw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-21 16:26:59",238732522,[8,9,10,11],"直接访问固定的存储器地址","通过变量动态地确定要访问的存储器地址","只能访问输入输出映像区","增加程序的执行时间",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},22,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48369665","项目二药品监督管理体制与法律体系认知","间接寻址在S7-1200 PLC中的作用是( )",[21,32,41,50,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],238732519,[25,26,27,28],"函数可以调用函数块,函数块不能调用函数","函数没有背景数据块,函数块有背景数据块","函数块只能使用一次,函数可以使用多次","函数只能处理整数数据,函数块可以处理多种数据类型","在S7-1200 PLC中,函数与函数块的主要区别在于( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],238732520,[36,37,38,39],"函数必须要有输入参数","函数不能有输出参数","函数的参数可以是任意数据类型","函数的参数数量是固定的,不能修改","生成函数时,以下说法正确的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],238732521,[45,46,47,48],"多重背景可以节省背景数据块的数量","每个多重背景实例都有自己独立的背景数据块","多重背景只能在主程序OB1中使用","使用多重背景可以提高程序的模块化程度","关于S7-1200 PLC中函数块的多重背景,以下描述错误的是( )",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],238732523,[57,58,59,60],"PLC上电后第一次扫描周期","每个扫描周期开始","发生硬件中断时","发生时间中断时","S7-1200 PLC中,启动组织块(OB100)在( )时被执行",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],238732524,[66,67,68,69],"按照固定的时间间隔周期性地执行","只在特定的硬件事件发生时执行","只在程序初始化时执行一次","不能在程序中手动触发","循环中断组织块的主要特点是( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],238732525,[75,76,77,78],"响应外部硬件信号","按照预设的时间执行中断任务","在程序初始化时执行特定任务","处理循环执行的任务","时间中断组织块用于( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],238732526,[84,85,86,87],"DETACH","JMP","CALL","ATTACH","当需要连接一个硬件中断事件到相应的组织块时,应使用的指令是( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],238732527,[93,94,95,96],"立即响应外部中断","在指定的延时时间后执行中断程序","循环执行中断程序","只在PLC上电时执行一次","延时中断组织块的作用是( )",{"answer":99,"createTime":100,"id":101,"options":102,"question":105,"source":30,"type":106},[],"2025-11-21 16:30:15",238733644,[103,104],"正确","错误","函数块必须要有背景数据块来存储其静态变量",3]