Hello! There is a lot of information in Beijing Normal University. Let me sort it out for you: Download address of all mathematics in junior high school: /czsx/newsmore.cfm? Ssnom = ZYST & AMPSMDLID = 080101Including electronic textbooks, teaching cases, teaching videos, teachers' books, examination questions evaluation, picture resources, etc. There must be other materials suitable for you! No registration is required. I'll give you some websites to download test questions. I also go there to download materials, all of which are free, 1, ABC Education Network:/2006/2006-123/20061023184838.shtml6, College Entrance Examination Resource Network:/. My opinion, I'm uploading some information. It's all in the math materials. Take your time.