It's hard. New question type. Wide knowledge points. According to the query, Douding.com shows.

1, question type. The new navigation course is very novel and difficult.

2. Knowledge points. Set sail for a new classroom with rich knowledge points and advanced knowledge. Learning advanced knowledge points can improve your ability. Therefore, it is difficult to set sail in a new classroom. The editorial board of Qi Hang New Classroom is an important organization in the field of education in China. Its main task is to study and popularize new educational models and teaching methods, so as to promote the development of education in China.