In the morning of December 18, 2023, Ms. Xiaohan Yang successfully passed her PhD oral comprehensive exam. The title of her exam report is “Environment Behavior and Fate of Microplastics in Coastal Waters”. Her profound knowledge and excellent presentation helped her win a good evaluation from the external examiner, Dr. Ivan Kantor, and other examining committee members (Drs. Biao Li, Jaehoon Hwang, and Chunjiang An).