1. The open recruitment examination for teachers in Guizhou Province requires the purchase of basic knowledge of comprehensive education, and the version of curriculum view can be purchased.

2. Open recruitment is the same as some books on special posts, such as the comprehensive quality of education, and the topic of special posts in subject knowledge is easier than open recruitment.

3. The content of middle school mathematics professional knowledge is mainly university-level professional knowledge, so you can buy relevant knowledge at this stage.

4. As for the questions that need to be done, it is suggested to buy some simulation questions or the questions of Guizhou teacher recruitment examination over the years.