英文语包含 477 篇课文，同时配备所有的 mp3 音频文件。

数学有 108 个文件，包括 99 本书以及 9 本导读和表格。

科学方面则有 6 本书，涵盖对动物、植物及自然的探索以及科学实践课程。

整套教材一共 591 篇内容，着实非常出色。

本教材内容为 pdf 格式电子文件。

衷心希望这套教材能对您孩子的英语启蒙发挥积极作用！

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