本书根据教育部对大学英语教学改革的要求，结合医学类学生英语教学改革的实际情况编写，目的是为医学类学生提供大学英语后续课程学习的教材。本着“英语和专业交融，基础与提高结合，用英语来学习，在学习中用英语”的宗旨，本书力求把英语学习与医学人文素质教育有机地结合，为有自身特色的英语课程建设及教学提供新的途径，充分体现大学英语学习的学术性和语言学习的实用性。

Unit 1 Sleep Disorders
Part I Pre-class Activities:Brainstorming,Mind-Mapping and Word-Building
Part II Listening Comprehension(1)
Sleep Problems
Part III Listening Comprehension(2)
Sleeping Patterns
Part IV Audio-Visual Exercises
Section A Sleep Deprivation
Section B Chronic Sleep Loss
Part V Discussion and Debate
Dr.Martin's Case
Part VI Additional Viewing
Part VII After-class Assignment
Unit 2 Prescription Drug Misuse and Abuse
Part I Pre-class Activities:Brainstorming,Mind-Mapping and Word-Building
Part II Listening Comprehension(1)
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