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GRE考试题目和解析，帮助考生提高解题能力和应试技巧。
Early scholars described square dances as a type of ancient English country dance carried to the southern Appalachian Mountains and preserved unchanged for generations. However, while the Appalachian fiddle repertoire does include traditional reels that can be traced back to the British Isles, it also includes breakdowns, rags, and other musical features native to America.
