From the questioner's point of view, the teaching and research team of Qingbei Xueba started from the textbooks currently used by students, closely followed the chapters of the new curriculum standard textbooks and the knowledge points of the examination syllabus, and integrated the scoring experience of Qingbei Xueba into a refined book.

There is a video explanation, one question and one yard. Students can listen to the video explanation of teacher Qingbei when they encounter difficulties in the learning process, which is convenient, relaxed and efficient.