在小学阶段向学生言语讲授抽象概念是可行的,唯一必要条件是给学生提供()。
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根据奥苏伯尔同化论,小学生则可以通过()学习掌握抽象的定义性概念,不过还需凭借()支持。
操作空间效率的提高可归因于()与()两方面的因素。
形式运算阶段的儿童具备了以下思维能力:假设演绎思维、()思维和()思维。
Great Gatsby, written by Fitzgerald in 1925, is a story about ______ who was destroyed by the influence of the wealthy, pleasure-seeking people around him.
A. a vagabond
B. an idealist
C. an eccentric
D. an opportunist