Raz英语分级阅读｜K级 (音频+视频) 84本

Features and Chart

18 words maximum per sentence; 9.5 words average

4–14 lines of text per page

350–460 words total

Much less concern about repeated use of high-frequency words

Paragraph spacing introduced

Photo captions more complex

Table of contents, captions, index, and glossary in nonfiction books

Simple tables and charts

16 pages