15 文具的家 教学

https://v.qq.com/txp/iframe/player.html?vid=e0398it3ik7&width=500&height=375&auto=0

https://v.qq.com/txp/iframe/player.html?vid=e0531b5wepn&width=500&height=375&auto=0

复制打开网址 www.1ydt.com 下载全册PPT课件及word教案试卷点击阅读原文看全部教学内容
https://v.qq.com/txp/iframe/player.html?vid=b0531fou8gp&width=500&height=375&auto=0