Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

一、平面曲线的弧长 平面曲线弧长的概念设A、B是曲线弧上的两当个端点,在弧上插入分点并依次连接相邻分点得一内接折线,当分点的数目无限增加且每个小弧段都缩向一点时

Teaching Points l. Background knowledge ll. Introduction to the passage lll .Text Analysis IV. Rhetorical devices V. Questions

Teaching Points l. Background knowledge ll. Introduction to the passage lll.Text Analysis IV. Rhetorical devices V. Questions

l.Background knowledge lI. Introduction to the passage lⅢ. Text Analysis ⅣV. Rhetorica| devices V. Questions

lBackground knowledge lI. Introduction to the passage lⅢ. Text Analysis ⅣV. Rhetorica| devices V. Questions