第2课 从“贞观之治”到“开元盛世”

https://v.qq.com/txp/iframe/player.html?vid=x0197sy1wcv&width=500&height=375&auto=0

https://v.qq.com/txp/iframe/player.html?vid=r0380b4xzcy&width=500&height=375&auto=0

下载全册视频课件请点击阅读原文或复制网址打开：

http://www.1ydt.com/video/n_show/Nav_96/26657D5F_1.htm

https://v.qq.com/txp/iframe/player.html?vid=h0345u8gz9y&width=500&height=375&auto=0