第3题: [单项选择]According to Piaget, there are two principal types of cognitive structures which he called______. A. schemas and concepts B. conscious mind and unconscious mind C. stimulus and response D. response and consequence 参考答案:A 答案解析:[解析] 皮亚杰认为认知结构主要有两种:图式(Schema)和概念(Concept)。图式是指能够解释特定行为种类的多套规则;概念指的是能够描述事件特性与事件之间相互关系的种种规则。儿童通过同化(As