Introduction: Master of Environmental Science from a famous university in Beijing; Registered environmental assessment engineer, environmental assessment division training experts before the exam; Editor-in-chief of the pre-test counseling textbook "50 basic questions of case analysis of environmental impact assessment" and deputy editor-in-chief of "simulation questions of national professional qualification examination for environmental impact assessment engineers"; He has many years of teaching experience as an environmental impact assessment engineer, and the case analysis questions are thoroughly explained and focused.