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Which version is the first volume of Yantai Senior One English textbook?

Ruko version. According to official website, Yantai Education Bureau, the first volume of Yantai Senior One English textbook is Luco version; A series of textbooks for primary and secondary schools published by Shandong People's Publishing House, Shandong Education Publishing House and Shandong Science and Technology Publishing House under Shandong Publishing Group Co., Ltd. ..