In order to solve various problems in the implementation of computer adaptive English test, this study used CADATS to conduct adaptive test of students' English ability and tested the performance of CADATS in exams and adaptive tests. At the same time, the information gain in the decision tree is introduced as the attribute weight calculation method. In addition, with the help of Dreamweaver web editor, in the ASP scripting environment, the design and development of the system main interface is completed by combining Visual Basic scripting lang...
