Who's Brother Yi Hua Er Jie?

Yi Hua Er Jie Ge is teacher Zhang Junjie, the network anchor of high school chemistry. In 2009, he was admitted to the Department of Chemistry of Tsinghua University, and he was admitted to the PhD in Chemistry of Tsinghua University on 20/04. He has many patents and inventions in chemistry. Experimental middle school is a famous teacher in experimental class, an excellent chemistry teacher in high school and an excellent coach in national chemistry competition. Classroom teaching pays attention to students, with clear thinking, humor and wit, makes good use of problem-driven classroom teaching methods, pays attention to cultivating students' ideas and methods of solving problems, and leads the class in every chemistry exam. Pay attention to the methods of summing up the difficulties, expand the scope of knowledge, enlighten innovation, and devote themselves to the strategy of improving the academic performance of high school chemistry. Pay attention to the implementation of students' basic knowledge and the cultivation of scientific learning methods.