What you want to ask is how many study hours are there in the continuing education platform of Guizhou Institute of Engineering and Technology? Nine hours. The continuing education platform of Guizhou Institute of Engineering and Technology stipulates that the study time of each course is not less than three days, and the study progress will be updated after 9: 00 the next day. You can't take the exam until the progress is updated to 100. Each course has three examination opportunities, with a total examination time of 90 minutes, and the total score 100 accounts for 60%. If you fail three times, you can only buy the course again. Only after passing the exam can the class card be printed.