https://www.lexile.com/
http://www.readingpro.cn/
Pease Porridge Mini-Lesson Bundle
http://thesweetestmelodymusic.blogspot.kr/2013/02/pease-porridge.html
做公众号的方法
https://www.zhihu.com/question/23640203
http://www.kids-n-fun.com/coloringpages/theme/autumn
给孩子的万物启蒙课