题目内容：
心理学家皮亚杰认为儿童认知发展的前运算阶段处于( )。
A.0～2岁
B.2～7岁
C.7～11岁
D.11～15岁
参考答案：
答案解析：
选择题：心理学家皮亚杰认为儿童认知发展的前运算阶段处于( )。
- 题目分类：教师资格
- 题目类型：选择题
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