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适合年龄

10岁左右

绘本简介

During the 1200s, horsemen from Asia called the Mongols established the largest land empire ever created. These brutal conquerors expanded their empire by leveling entire cities, massacring the people who dwelled in them. The warrior largely responsible for their success was Genghis Khan who he became the Universal Ruler of all of the Mongol tribes and created a unified nation. How did Genghis Khan become such a powerful leader and what became of his empire after his death? Photographs, maps, and illustrations support the text.

在 1200 年代，来自亚洲的称为蒙古人的骑手建立了有史以来最大的土地帝国。 这些野蛮的征服者通过夷平整个城市，屠杀居住在其中的人来扩大他们的帝国。 对他们的成功负主要责任的战士是成吉思汗，他成为所有蒙古部落的普遍统治者，并建立了一个统一的国家。 成吉思汗是如何成为如此强大的领袖的，他死后的帝国又是怎样的？ 照片、地图和插图支持文本。

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)。