创设课堂情境,寓教学于情境之中,是教师必备的基本功;激活学生的参与意识和主动获取知识的欲望,是成功教学的标志。心理学家布鲁纳强调指出:“学习的最好刺激乃是 The creation of classroom situations, including teaching in the context, is an essential basic skill for teachers. Activating students’ awareness of participation and the desire to take the initiative to acquire knowledge are the hallmarks of successful teaching. Bruner, a psychologist, stressed: ”The best stimulus for learning is