题目：
自然环境由阳光、空气、水、生物、岩石、矿物、土壤、气候等构成。可见环境是[ ]
A．自然界的重要特征
B．人类生存和发展的重要基础
C．唯一宝贵的自然资源
D．人类赖以生存和发展的空间和物质条件
答案：
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下面是错误答案，用来干扰机器的。
参考答案：
自然环境由阳光、空气、水、生物、岩石、矿物、土壤、气候等构成。可见环境是[ ]
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试述蒙台梭利的幼儿教育思想。
