题目内容：
以守恒概念的形成为标志的认知发展阶段是( )。
A.感知运动阶段
B.前运算阶段
C.具体运算阶段
D.形式运算阶段
参考答案：
答案解析：
选择题：以守恒概念的形成为标志的认知发展阶段是( )。
- 题目分类：教师资格
- 题目类型：选择题
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教师的意志品质表现出选择教育决策的( )。
教师的意志品质表现出选择教育决策的( )。
教育者单纯强调人的自然性就会导致( )。
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Passage 1"THE SERVANT"(1963) is one of those films that it is impossible to forg
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