On the evening of October 21, 2020, the defense meeting of advanced class and excellent Youth League branch of School of Energy and Environmental Engineering in 2019-2020 academic year was held in 913, science and technology building. Kong Deyu, deputy secretary of the school Party Committee, Cheng Shikun and Zhang Peikun, head teachers of grade 2017, Zhang Hui, head teacher of grade 2018, Luo Chunhuan and Xu Qian, head teacher of grade 2019, secretary of the Youth League Committee and Xu Qian, Xue Feiyang, Secretary of the Youth League Committee and undergraduate counselor of grade 2018, Wei Chen, undergraduate counselor of grade 2017 and Sun Wenjin, Zhang Zhipeng, undergraduate counselors of grade 2019 attended the meeting.

Six classes participated in the defense meeting and each class presented three-minute PowerPoint defense and five-minute video display according to the drawing order.

Each class shows the school life, work construction, achievements and other aspects of the class through PowerPoint. Every frame in the video records every bit of the class, including youth, passion and righteous ardour. Photos show the laughter of each class. Their stories are ordinary but wonderful and their performance is active and rigorous. During the questioning session, the representatives of each class also made excellent response, giving the class committee of grade 2020 a lot of valuable experience.

At the site of this defense meeting, we have the honor to meet those excellent classes, listen to their stories and feel their growth process. We were impressed by their achievements, at the same time, we also saw the efforts they made on the way forward.

This activity is an important part of the "take a good first step in university" for undergraduate students of grade 2020. The class defense shows the spirit of advanced class to the class committee of grade 2020, shares the experience and skills in class work and provides valuable experience for the class construction of class committee of freshmen.