There is no fixed statement about this. In general, we should first judge the main arguments of the whole article (that is, the points that directly touch the topic), and then compare the relevant contents of these two argumentation methods in the article to see which part of the content is most closely related to the main arguments, so the argumentation method used in this part of the content is the main argumentation method of the full text. In fact, there is really no formulaic law to follow in Chinese reading. The most fundamental thing is to increase the amount of extracurricular reading and cultivate a sense of literature.