从心理学的角度来说,初中学生的有意注意还处在比较被动的地位,而无意注意在学习上起着很大的支配作用。他们对事物的注意,往往先从事物的色彩、差异、变化和趣味等开始。针对这一特点,教师在课堂教学中应该充分发挥投影特有的直观形象作用,唤起学生的学习兴趣,提高教学质量。英语课堂教学的实践证明,投影图片的光、色彩、形象能使学生激起兴趣,引起无意注意,稳定注意力;伴随教师的讲解、手势、表情以及录音的配合运用,学生逐步加深了对课 From a psychological point of view, junior high school students’ intentional attention is still in a more passive position, and there is no intention to pay attention to learning plays a large dominant role. Their attention to things often begins with the colors, differences, changes, and tastes of things. In response to this feature, teachers in the classroom should give full play to the role of visual projection unique to arouse the students interest in learning and improve teaching quality. The practice of English classroom teaching proves that the light, color and image of the projected picture can arouse students ’interest and cause unintentional attention and steady attention. With the help of teachers’ explanations, gestures, expressions and recordings, students gradually deepen their understanding of the lesson