[{"itemType":"task","number":"1","published_number":"1","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74828","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74776","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74790","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74811","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"57:36","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74822","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"\uff08\u89c6\u9891\uff09\u7b2c\u516d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74788","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"51:08","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e03\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74789","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"\uff08\u89c6\u9891\uff09\u7b2c\u516b\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74775","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:10","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e5d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74787","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74803","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74810","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"42:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74802","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:22","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74807","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:15","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74808","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e94\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74809","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:23","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u516d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74805","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e03\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74806","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u516b\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74801","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:38","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"19","published_number":"19","title":"\uff08\u89c6\u9891\uff09\u7b2c\u5341\u4e5d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74804","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:14","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74779","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:56","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74786","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74778","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"49:27","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74783","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"49:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74784","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e94\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74785","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u516d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74781","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:45","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e03\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74782","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u516b\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74777","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e8c\u5341\u4e5d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74780","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"51:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74793","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74800","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:26","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"32","published_number":"32","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74792","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"51:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74797","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74798","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e94\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74799","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"48:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u516d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74795","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e03\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74796","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u516b\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74791","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:05","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e09\u5341\u4e5d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74794","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"47:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74814","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74821","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74813","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:02","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74818","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:54","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74819","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:26","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e94\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74820","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"45:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u516d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74816","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e03\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74817","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:43","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"48","published_number":"48","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u516b\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74812","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"46:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"\uff08\u89c6\u9891\uff09\u7b2c\u56db\u5341\u4e5d\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74815","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"39:05","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u5341\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74824","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u5341\u4e00\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74827","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"50:25","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u5341\u4e8c\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74823","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"43:33","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"53","published_number":"53","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u5341\u4e09\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74825","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"49:34","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"\uff08\u89c6\u9891\uff09\u7b2c\u4e94\u5341\u56db\u8bb2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"74826","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"44:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0,"isSingleTaskLesson":true}]