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What courses are there in junior high school?
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Extraction code: au7n course screenshot | English | Physics | Mathematics | Biology | Chemistry | Organic Chemistry Foundation and Experiment. Jpg| Elective five Introduction to Organic Chemistry. Jpg| Elective five organic compounds in life. Oxygen derivatives of five clever hydrocarbons. Jpg| Elective Four Chemical Reactions and Energy. Elected four courses of Electrochemical Basis. Jpg| directory