单项选择题
导流隧洞进出口与上下游围堰之间的距离,一般应大于_________。 A. 30m B. 50m C. 80m
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.