Three seats. According to official website of Linyi University, there are three seats in the self-recommended online exam of Linyi University, namely, front seat, back seat and left seat. Linyi University, LYU for short, is located in Linyi City, Shandong Province; It is a provincial comprehensive university in Shandong Province, the key construction university of the National Development and Reform Commission's "Integration of Production and Education" project, the key construction university of Shandong Province's "Famous School Project with Characteristics of Cultivating Applied Talents", the implementation university of "Excellent Teacher Training Plan", a member of CDIO Engineering Education Alliance, and the "Hundred Schools Project" project institution in China.