[{"itemType":"chapter","number":"1","published_number":0,"title":"2019-\u8bfe\u7a0b\u7cbe\u8bb2","result":"","resultStatus":"","lock":"","status":"published","taskId":"138813","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"1.\u5bfc\u5b66","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127386","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"2.\u7b2c\u4e00\u7ae0 \u7b2c\u4e00\u8282 \u5de5\u4e1a\u4e0e\u6c11\u7528\u5efa\u7b51\u5de5\u7a0b\u5206\u7c7b\u3001\u7ec4\u6210\u53ca\u6784\u90201","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127387","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"3.\u7b2c\u4e00\u7ae0 \u7b2c\u4e00\u8282 \u5de5\u4e1a\u4e0e\u6c11\u7528\u5efa\u7b51\u5de5\u7a0b\u5206\u7c7b\u3001\u7ec4\u6210\u53ca\u6784\u90202","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127388","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"4.\u7b2c\u4e00\u7ae0 \u7b2c\u4e00\u8282 \u5de5\u4e1a\u4e0e\u6c11\u7528\u5efa\u7b51\u5de5\u7a0b\u5206\u7c7b\u3001\u7ec4\u6210\u53ca\u6784\u90203","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127389","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"5.\u7b2c\u4e00\u7ae0 \u7b2c\u4e00\u8282 \u5de5\u4e1a\u4e0e\u6c11\u7528\u5efa\u7b51\u5de5\u7a0b\u5206\u7c7b\u3001\u7ec4\u6210\u53ca\u6784\u90204","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127390","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"54:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"6.\u7b2c\u4e00\u7ae0 \u7b2c\u4e00\u8282 \u5de5\u4e1a\u4e0e\u6c11\u7528\u5efa\u7b51\u5de5\u7a0b\u5206\u7c7b\u3001\u7ec4\u6210\u53ca\u6784\u90205","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127391","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"7.\u7b2c\u4e00\u7ae0 \u7b2c\u4e8c\u8282 \u5e38\u7528\u5efa\u7b51\u6750\u6599\u7684\u5206\u7c7b\u3001\u57fa\u672c\u6027\u80fd\u53ca\u7528\u90141","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127392","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"35:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"8.\u7b2c\u4e00\u7ae0 \u7b2c\u4e8c\u8282 \u5e38\u7528\u5efa\u7b51\u6750\u6599\u7684\u5206\u7c7b\u3001\u57fa\u672c\u6027\u80fd\u53ca\u7528\u90142","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127393","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:16","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"9.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127394","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"10.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127395","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:20","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"11.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127396","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"12.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127397","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"13.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127398","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"14.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127399","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"15.\u7b2c\u4e00\u7ae0 \u7b2c\u4e09\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u6280\u672f7","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127400","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"36:27","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"16.\u7b2c\u4e00\u7ae0 \u7b2c\u56db\u8282 \u571f\u5efa\u5de5\u7a0b\u65bd\u5de5\u7ec4\u7ec7\u8bbe\u8ba1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127401","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"17.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e00\u8282 \u571f\u5efa\u5de5\u7a0b\u8bc6\u56fe1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127402","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"18.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e00\u8282 \u571f\u5efa\u5de5\u7a0b\u8bc6\u56fe2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127403","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"19.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e00\u8282 \u571f\u5efa\u5de5\u7a0b\u8bc6\u56fe3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127404","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"53:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"20.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e00\u8282 \u571f\u5efa\u5de5\u7a0b\u8bc6\u56fe4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127405","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"57:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"21.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e8c\u8282 \u5efa\u7b51\u9762\u79ef\u8ba1\u7b971","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127406","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"36:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"22.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e8c\u8282 \u5efa\u7b51\u9762\u79ef\u8ba1\u7b972","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127407","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"23.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b971","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127408","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"24.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b972","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127409","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"25.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b973","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127410","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"38:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"26.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b974","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127411","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"51:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"27.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b975","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127412","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"32:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"28.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b976","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127413","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"29.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b977","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127414","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"30.\u7b2c\u4e8c\u7ae0 \u7b2c\u4e09\u8282 \u5de5\u7a0b\u91cf\u8ba1\u7b977","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127415","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"31.\u7b2c\u4e09\u7ae0 \u7b2c\u4e00\u8282 2012\u5efa\u8bbe\u5de5\u7a0b\u9884\u7b97\u5b9a\u989d\u7b80\u4ecb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127416","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"32.\u7b2c\u4e09\u7ae0 \u7b2c\u4e8c\u8282 \u300a2012\u5efa\u8bbe\u5de5\u7a0b\u9884\u7b97\u5b9a\u989d\u300b\u57fa\u672c\u5185\u5bb91","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127417","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"29:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"34.\u7b2c\u4e09\u7ae0 \u7b2c\u4e09\u8282 \u300a2012\u5efa\u8bbe\u5de5\u7a0b\u9884\u7b97\u5b9a\u989d\u300b\u8d39\u7528\u6807\u51c6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127418","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"35.\u7b2c\u4e09\u7ae0 \u7b2c\u56db\u8282 \u88c5\u914d\u5f0f\u623f\u5c4b\u5efa\u7b51\u5de5\u7a0b\u6d88\u8017\u91cf\u5b9a\u989d\u3001\u7eff\u8272\u5efa\u7b51\u5de5\u7a0b\u6d88\u8017\u91cf\u5b9a\u989d\u3001\u5de5\u7a0b\u671f\u5b9a\u989d\u7b80\u4ecb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127419","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"36.\u7b2c\u4e09\u7ae0 \u7b2c\u4e94\u8282 \u571f\u5efa\u5de5\u7a0b\u6700\u9ad8\u6295\u6807\u9650\u4ef7\u7684\u7f16\u52361","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127420","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"40:45","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"37.\u7b2c\u4e09\u7ae0 \u7b2c\u4e94\u8282 \u571f\u5efa\u5de5\u7a0b\u6700\u9ad8\u6295\u6807\u9650\u4ef7\u7684\u7f16\u52362","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127421","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"58:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"38.\u7b2c\u4e09\u7ae0 \u7b2c\u4e94\u8282 \u571f\u5efa\u5de5\u7a0b\u6700\u9ad8\u6295\u6807\u9650\u4ef7\u7684\u7f16\u52363","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127422","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"39.\u7b2c\u4e09\u7ae0 \u7b2c\u4e94\u8282 \u571f\u5efa\u5de5\u7a0b\u6295\u6807\u62a5\u4ef7\u7684\u7f16\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127423","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"40.\u7b2c\u4e09\u7ae0 \u7b2c\u4e03\u8282 \u571f\u5efa\u5de5\u7a0b\u4ef7\u6b3e\u7ed3\u7b97\u548c\u5408\u540c\u4ef7\u6b3e\u7684\u8c03\u65741","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127424","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"41.\u7b2c\u4e09\u7ae0 \u7b2c\u4e03\u8282 \u571f\u5efa\u5de5\u7a0b\u4ef7\u6b3e\u7ed3\u7b97\u548c\u5408\u540c\u4ef7\u6b3e\u7684\u8c03\u65742","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127425","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"37:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"42.\u7b2c\u4e09\u7ae0 \u7b2c\u516b\u8282 \u5efa\u8bbe\u9879\u76ee\u7ae3\u5de5\u51b3\u7b97\u7684\u7f16\u5236","result":"","resultStatus":"","lock":false,"status":"published","taskId":"127426","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]