1. Real-time update: The selected educational question bank can be updated in real time, keeping up with the pace of subject development, and ensuring users to obtain the latest information. Users can keep up with the development of the times and get the latest learning resources.

2. Personalized recommendation: The question bank can make recommendations according to users' personal characteristics and needs to help users better choose the learning resources that suit them. In this way, users can find the most suitable learning materials according to their learning goals and interests.