The research background of this paper includes theoretical background and practical needs. It is also necessary to summarize the current situation of similar research at home and abroad:

1. What are people studying and to what extent?

2. Find out what you want to learn but others haven't done yet.

3. Some people have done it and think it is not enough (or defective) and put forward perfect ideas or measures.

4, others have done it, redo the experimental verification.

Extended data

The purpose and significance of this article.

The purpose and significance of research is why we should study and study its value. This can generally be based on the actual needs, pointing out that there is this problem in reality, which needs to be studied and solved, and what practical role this research has, and then writing the theoretical and academic value of the paper.

These should be written more specifically and pertinently, and we should not shout slogans aimlessly. The main contents include:

(1) The relevant background of the research (the proposal of the subject): that is, what is the basis and inspiration of this research.

⑵ By analyzing the local (school) education and teaching practice, point out why we should study this topic, the value of the research and the problems to be solved.