预习是学生自学的一个重要组成部分。预习效果的好坏,直接影响到课堂教学的效率和质量。教师应当认识到预习不只是一个教学环节,更是培养学生学习习惯、学习能力的途径,而预习的有效性应在教学新课文时体现出来,这样才能促进学生认真预习,并提高课堂教学 Preview is an important part of student self-study. The effect of previewing a direct impact on the efficiency and quality of classroom teaching. Teachers should recognize that the preview is not only a teaching link, but also a way to develop students ’learning habits and learning abilities. The effectiveness of the previews should be reflected in the teaching of new texts, so as to promote students’ careful preview and improve classroom teaching