The first paragraph: ask questions (put forward arguments at the beginning), briefly describe the materials, and lead out arguments (enlighten, enlighten, tell us, explain, make me understand, etc.). )

The second paragraph: analyze the problem

A. Demonstration process: the reasons for the turning of rhetorical questions (or other turning sentences or paragraphs). (For example, "We think there are three reasons ...")

B. argumentation process: put forward reasons (sub-arguments) (the angles of sub-arguments should be different, the levels should not be repeated, and the evidence or nature or era or scope should be different; Evidence should be typical and accurate, including examples, metaphors, quotations and comparisons. The structure between sub-arguments can be juxtaposed, layered, compared, divided or aggregated, and various structural forms can be used comprehensively)

A ... (argument, evidence, analysis and comment)

Second ... (arguments, evidence, analysis and comments)

Third ... (arguments, evidence, analysis and comments)

C. Demonstration process: dialectical analysis is possible (common words: true … but …/although … but …/of course …).

The third paragraph: solve the problem.

Conclusion (solve the problem, put forward the method, take care of the beginning, etc. )