What app does Sichuan Jian 'an B-card exam question bank use?

Sichuan Jian' an B-card exam question bank helps app to do the questions. There are many modes to practice the question bank of safety managers, such as answering questions in sequence, brushing questions and simulating exams. At the same time, the wrong questions will be automatically recorded in the process of doing the questions, which is convenient for redoing the wrong questions. At the same time, you can collect designated questions and practice the collected questions, which greatly improves the efficiency of safety management personnel preparing for the exam.