[问答题] What are the six principles to remember when presenting new vocabulary in class?

中国明代（）业发达，因此此材料结构的民居住宅比例大为增加。 ["小木作","造瓷","制砖","大木作"] 孟子关于教育的作用有哪些论述？ 简述水墨平衡相体积理论的内容。 国际贸易形成的条件是什么？ What are the six principles to remember when presenting new vocabulary in class?