Behind this answer is the regulation of the Ministry of Education. In the Notice on Strengthening the Quality Control of Undergraduate Education, the Ministry of Education clearly stipulates that colleges and universities implement a spot check system for undergraduate graduation thesis, with a spot check ratio of 2%. In the spot check, the Ministry of Education requires that it be carried out by specialty to ensure the accuracy and practicability of the spot check results.

Specific and feasible solutions and countermeasures can be formulated from the following aspects:

1. Students should attach great importance to the quality of graduation thesis to ensure its authenticity and credibility. We should take paper writing seriously, pay attention to details, strictly abide by academic norms and moral norms, and put an end to irregular behaviors such as plagiarism.

2. Schools should strengthen the guidance of students' thesis writing, and improve students' writing level and thesis quality. At the same time, students' papers should be checked at all levels to ensure the authenticity and credibility of the papers.

3. The education department should strengthen the supervision of colleges and universities, strengthen the guidance and management of the spot check of undergraduate graduation thesis, and ensure the accuracy and practicability of the spot check results.

In the aspect of expanding interpretation, we can further think about the function and significance of the spot check system of undergraduate graduation thesis. Undergraduate graduation thesis is an important academic achievement of students during their college years, and it is also one of the evaluation criteria of students' comprehensive quality. By spot-checking undergraduate graduation thesis, we can not only find the authenticity and credibility of the thesis, but also find the shortcomings of students in thesis writing, which provides useful reference and guidance for students' further study and development. Therefore, it is of positive significance and function to implement the spot check system of undergraduate graduation thesis.