http://www.ebama.net/forum.php?mod=viewthread&tid=331684&extra=page%3D1%26filter%3Dauthor%26orderby%3Ddateline
reading A-Z 网站给出了学习阅读的4个层级,他们分别是:Early Emergent Readers (Levels aa-C)Emergent Readers (Levels D-J)Early Fluent Readers (Levels K-P)Fluent Readers (Levels Q-Z2)在这里,https://www.readinga-z.com/learn ... ges-of-development/可以看到每个级别对reader 的描述,和对分级读物的描述。