The highlights are good; The highlight is the educational measurement tool based on accurate mathematical model. The question bank is not simply to collect and store the exercises or exam questions of a certain subject in the computer. At best, this practice is just a problem set, a warehouse for problem accumulation, not a question bank.

In a complete sense, the question bank should not only have the functions of input and storage of test questions, but also have the functions of query, intelligent test paper generation, analysis and feedback. It is equivalent to a database, from which it can be called and improved.

Can fully stimulate their enthusiasm for learning, so as to achieve twice the result with half the effort. Set a certain number of training questions, the content is novel and rich, and the questions are from easy to difficult. Starting from students' knowledge structure and thinking training, with thinking training as the core and vivid and diverse forms as the theme, we can inspire problem-solving ideas and improve problem-solving ability.