[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZ3y4Tq0mUJzt7MrPQvvDypy4v2oWOuTjfJ5nWwBxils":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":24,"type":46},[],"2026-01-21 08:38:34",1076986639,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fab4682122ceb51392cebdf0ab188a5e1.png","电子系统设计与实践","在display.scroll(string,loop=True)中,显示将永久重复.( )",[15,26,32,41,47,57,66,75,84,87],{"answer":16,"createTime":5,"id":17,"options":18,"question":23,"source":24,"type":25},[],1076986598,[19,20,21,22],"os.listdir()","os.remove()","os.size()","os.delete()","在micro:bit 的文件管理中,删除文件使用的命令是( )","v2",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":31,"source":24,"type":25},[],1076986600,[19,20,21,30],"os.bytes()","在micro:bit 的文件管理中,显示文件大小使用的命令是( )",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":24,"type":25},[],1076986601,[36,37,38,39],"1","2","3","4","舵机有几根连接线( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":24,"type":46},[],1076986622,[8,9],"如果想改变变量的值,只需要给它赋一个新值.( )",3,{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":24,"type":56},[],1076986625,[51,52,53,54],"REPL是Read-Evaluate-Print-Loop的缩写","REPL指&quot;交互式解析器&quot;","REPL可以进行程序调试","REPL就是通过在一个小窗口里输入代码,而这些代码可以一句句运行并实时返回结果","关于REPL,正确的是( )",1,{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":24,"type":25},[],1076986627,[61,62,63,64],"radio.on()","radio.off()","import radio","radio.receive()","引用radio库的命令是( )",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":24,"type":25},[],1076986631,[70,71,72,73],"左上角","右上角","左下角","右下角","25个LED灯的坐标起点是( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":24,"type":25},[],1076986636,[79,80,81,82],"up","down","face up","face down","使用accelerometer.current_gesture方法,返回正面向下的手势名称是( )",{"answer":85,"createTime":5,"id":6,"options":86,"question":13,"source":24,"type":46},[],[8,9],{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":24,"type":25},[],1076986641,[91,92,93,94],"C","D","R","S","使用名称为什么的音,MicroPython会在指定的时间内播放休止符( )"]