Erjian, are all different kinds of books the same?

There are three unified examination subjects in Erjian: management, regulations and practice, among which practice is divided into six majors (architecture, electromechanical, municipal, highway, water conservancy and hydropower, mining). Management and regulations are public courses, and so are textbooks. Practice is the teaching material of every major, and the second construction examination time is May 28th and 29th. Please hurry to prepare for the exam. If you have any questions, please consult Kunming Xuetian Education. !