一、引言导入语,又叫导语、开讲语,俗称开场白,是教师在讲课之前,围绕教学目标而精心设计的一段简练的教学语言。短则一两分钟,长也不过五六分钟。导入语虽然简短,却是课堂教学的一个重要环节,具有不可忽视的作用。导入语能迅速安定学生的学习情绪;能激发学生的学习兴趣;能使学 I. INTRODUCTION Introductory language, also called introductory language, preaching language, commonly known as the opening ceremony, is a concise teaching language carefully designed by teachers around teaching objectives before lecture. A short period of one or two minutes, but also long five or six minutes. Although the introductory language is short, it is an important part of classroom teaching, with a role that can not be ignored. Introductory language can quickly stabilize students ’learning sentiment; can stimulate students’ interest in learning; can make learning