单项选择题 幼小衔接教育的实质性问题是 A、主体的适应性问题 B、幼儿园小学化的问题 C、小学幼儿园化的问题 D、幼儿的读、写、算问题

问答题 One thing worth noticing is that although both Confucius and Socrates adopted (____) teaching, there are some differences in asking and answering questions.

不定项选择 河流阶地的级数越高，则其形成的年代越新。