History & Geography入门Geography: The 7 ContinentsLearn about the seven continents — their features, climates, populations, and major landmarks.约 15 分钟8 个步骤开始模块
History & Geography进阶Age of ExplorationNavigate the Age of Exploration — Portuguese and Spanish voyages, Columbus, Magellan, the Silk Road, and the colonial impact on the world.约 25 分钟10 个步骤开始模块
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