People's education edition According to the information from official website of Weinan Education Bureau, it is known that all subjects in grade seven in Dali County use PEP language, PEP mathematics, English Shaanxi tourism edition, PEP history, PEP geography, PEP biology, PEP chemistry, PEP physics and so on, which belong to PEP. The second grade refers to the eighth grade, that is, the second grade of the original junior high school with a 63-year academic system and the third grade of the junior high school with a May 4th academic system. After the implementation of 200 1 compulsory education curriculum standard, in order to realize the continuity of compulsory education, the second grade (the third grade of the May 4th academic system) was renamed as "the eighth grade".