初一地理教学中的“地球的形状和大小”教学内容，是世界地理全书教学内容的开篇，包括《读一读》栏目的“人们对地球形状的认识过程”和“麦哲伦船队的环球探险航行”以及通过数据、绘图达到认识和掌握“地球是个两极部位稍扁的不规则球体”的教学要点的目的。这部分开篇... The teaching content of “geosphere shape and size” in the first geography teaching is the opening of the teaching contents of the World Geography book, including the “People’s understanding of the shape of the earth” and the “Global Exploration of the Magellan Fleet” in the “Reading” section. “Navigating” and through data, drawing to achieve the understanding and mastery of “the earth is a two-pole site slightly flat irregular sphere” teaching purpose. This part starts...