The answers to the review questions of electrician review are inconsistent with those of the online exam questions. The "standard answer" given in the system default question bank shall prevail. At present, most of the exams for special operations are computer-based, and questions are randomly given from the question bank. The question bank will be updated. Therefore, it is normal that the question bank of the initial test is different from that of the second test. During the second interview, the training institution will distribute information, which contains test questions and difference information.