预习是学习高中英语的重要组成部分,行之有效的预习能够让同学们在课堂学习当中游刃有余,更好地掌握教师课堂教学的内容,提升自身的学习质量。但是,当前很多同学在预习中没有方向、没有目标,最终导致预习效果不理想,整体学习质量提升不明显。因此,同学们必须掌握合理的自主预习方法,在预习的过程中深入理解教材文本,找出其中的重点难点,提升学习效率。一、词汇标注,背景探究高中牛津英语教材文本中所涉及的词汇量相对较 Pre-learning is an important part of learning English for senior high school students. Effective preparatory learning allows students to do a good job in classroom learning, to better grasp the content of classroom teaching and improve their own learning quality. However, many current students have no direction or goals in the preview, which ultimately results in unprepared previews, and the overall improvement in learning quality is not obvious. Therefore, the students must master a reasonable method of self-preparation, in-depth understanding of the text of the textbook during the preparatory process, identify the key difficulties, improve learning efficiency. First, the vocabulary annotation, the background to explore the vocabulary involved in the text of high school Oxford English textbooks relatively