Raz英语分级阅读｜Z级 (音频+视频) 86本

Features and Chart

18 words average per sentence

1,550–3,000 words total

Flesch-Kincaid 5.7–6.0

More complex sentence structure

Increasingly difficult vocabulary

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

Complex tables, charts, and graphs

Story elements more sophisticated and require more thought.

Nonfiction topics aligned to state and national standards