Generally, the topic of this paper needs to be repeated, and the repetition rate is required. After the paper is completed, it is best to check the repetition rate on PaperPP, and then submit it after it meets the requirements.

It is absolutely impossible to directly copy articles from Baidu or Wang Zhi. These two places are the focus of duplicate checking, and the probability of being found out is almost 100%. If you really don't know how to write, then look for more documents on HowNet or other academic platforms and rearrange them in your own words, which is much better than copying them directly!