raz Y级阅读The Legacy of da Vinci绘本PDF+音频百度网盘免费下载
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绘本简介
The Legacy of da Vinci is an informational book about the life of Leonardo da Vinci. Although he might be best known for artistic works such as The Mona Lisa and The Last Supper, da Vinci was also an avid inventor. His lifelong curiosity and observation of the world around him led him to develop ideas for such objects as clocks, cameras, helicopters, hydraulics, and hang gliders. These ideas, which resulted from his pursuit of knowledge, continue to fascinate people today. Photographs support the text.
达芬奇的遗产是一本关于达芬奇生平的信息书。 尽管他可能以《蒙娜丽莎》和《最后的晚餐》等艺术作品而闻名，但达芬奇也是一位狂热的发明家。 他毕生的好奇心和对周围世界的观察使他对时钟、相机、直升机、液压系统和悬挂式滑翔机等物体产生了想法。 这些源于他对知识的追求的想法，今天继续为人们着迷。 图片支持文字。
RAZ有严密的分级体系：根据全文词汇数、高频词词汇数与比例、低频词词汇数与比例、句子长度、句子复杂度、句式、插图信息量、思想深度、主题等多个角度，将整个阅读体系分为aa，A-Z共27个级别。
RAZ旨在帮助孩子找到适合孩子水平的级别，通过在同一级别下的大量阅读逐步提高孩子的阅读能力。
RAZ按难度分为27个级别，AA—C这4个级别对应幼儿园阶段; D—J这7个级别对应美国小学一年级;K—P这6个级别对应美国小学二年级;Q—T这4个级别对应美国小学三年级;U—W这3个级别对应美国小学四年级;X—Z对应美国小学五六年级(相当于国内高中毕业)。