科目练习闪卡分数计算 📷 拍照识题

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科目练习闪卡分数计算定价

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Period 9: 1980–Present — AP US History | StudyAPNow

科目/AP US History/Period 9: 1980–Present

课程单元

U1Period 1: 1491–1607 U2Period 2: 1607–1754 U3Period 3: 1754–1800 U4Period 4: 1800–1848 U5Period 5: 1844–1877 U6Period 6: 1865–1898 U7Period 7: 1890–1945 U8Period 8: 1945–1980 U9Period 9: 1980–Present

Period 9: 1980–Present

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