1. First of all, the tutor's comments include: the topic of the paper is appropriate, the paper is carefully written, and a lot of information has been consulted. The viewpoint is correct, the content is substantial, the center is prominent, and the hierarchical structure is clear and reasonable.

2. Secondly, teachers' comments include: the topic of the paper is appropriate, the viewpoint is correct, the content is substantial, the structure is reasonable, the language is fluent, it conforms to the norms, and the workload is moderate.

3. Finally, the opinions of the thesis defense group include: the topic of the thesis is appropriate and the content is correct. When defending, you can clearly report the main content, structure and conclusion of the paper within the specified time. Answer the three questions raised by the defense team correctly.