广西田阳县,历史上是三七的集散地,因而三七也称为"田七"。()
参考答案:对
I find it very hard the question.
A.to answer
B.answers
C.answering
D.answered
奥苏贝尔整个学习理论体系的核心原理是必须重视元认知能力的培养。()