Materials:

① Three compulsory history textbooks for senior high schools

② About twenty pages of loose-leaf paper.

③ Three pens (black, red and fluorescent)

Production method:

Turn the book to the table of contents. According to the classification of ancient and modern Chinese and foreign countries (note: there will be obvious keywords in the directory! ! For example, the economic structure of modern China and so on. Therefore, we manage the big framework from four aspects: general history, economy, politics and culture, and the specific content is according to our own needs! ! There are three directions (book catalogue, time, events). It is suggested to review one unit before doing another, which will be more efficient.