情境教学的实质是发挥学生的主体作用，让学生先感受后表达。感受时，管理形象思维的大脑右半球兴奋；表达时，管理抽象思维、语言的大脑左半球兴奋。这样，大脑的两个半球交替兴奋、抑制，就可以大大挖掘大脑的潜在力，使学生在轻松愉快的情绪中学习语言文字。　　如何用情境? The essence of situational teaching is to play the main role of students, let students express their feelings first. When feeling the excitement of the right hemisphere of the brain that manages the image of thinking, when expressing the excitement of the left hemisphere of the brain that manages abstract thinking, the language. In this way, the two hemispheres alternately excited brain, inhibition, you can tap the potential of the brain, so that students in a relaxed mood to learn the language. How to use the situation?