Subject 1: You can download the driving test book on your mobile phone and brush the questions on your mobile phone. Just brush the questions for more than 12 hour, and the training fee is not needed. Subject 1, also known as subject 1 theory test and driver theory test, is a part of motor vehicle driver's license assessment. According to the "Regulations on the Application and Use of Motor Vehicle Driving License", the examination content includes the theoretical basis of driving, road safety laws and regulations, local regulations and other related knowledge.