下列观点不属于达尔文进化理论的是( )。
科学课上,老师让学生分小组观察自己养的蚕宝宝,以此了解昆虫的生活习性,并在全班交流学习成果。该老师运用的教学方法是( )
皮亚杰认为,11至15岁的儿童认知发展处于()
Teachers who believe in the __________ model will enable students to understand the meaning and usage of the words first, and then make full use of the words in listening, reading or writing tasks, ask representatives to show products of the tasks, and give an evaluation for it at last when teaching vocabulary.
如果两个概念的外延完全不同,而且它们的外延之和小于其属概念的外延,则这两个概念之间的关系是( )。