Online betting paper is basically unreliable, and now many websites do whatever it takes to make money. As long as it is a topic, it will be posted online, in order to get a click rate. Strictly speaking, college entrance examination questions are all about inviting experts to give questions. After the topic comes out, you should search on the Internet to see if there is any duplication with the simulation topic in some places. Even if you repeat a knowledge point, the same statement will not work, and it must be completely different. If it is a postgraduate examination paper, the questions raised by the questioner may be repeated, and the general content of the exam is basically similar.