海陆的变迁 微课精讲

https://v.qq.com/txp/iframe/player.html?vid=a0548bp7u34&width=500&height=375&auto=0

https://v.qq.com/txp/iframe/player.html?vid=k0520jyveze&width=500&height=375&auto=0
地理名师在线辅导答疑(名师一节课，胜读N年书)

https://v.qq.com/txp/iframe/player.html?vid=b0170j3ln26&width=500&height=375&auto=0

---

复制打开网址 www.1ydt.com 下载配套的PPT课件及教案试卷

点击阅读原文看全部教学内容