本书共15个单元。在编排上保留了课文、单词和短语、注释、练习等基本内容，但取消了对话。每一个单元虽然也都有一个大的主题，但语言的难度与语篇的长度都有所增加，语言素材也更加广泛，涉及文化教育、科学技术、经济、社会等方方面面，其目的在于通过学习进一步拓展学习者的知识面和表达能力。

Unit One Language Learning
Unit Two Tales of Life
Unit Three Animals
Unit Four Science and Technology
Unit Five Space and Aviation Science
Unit Six Population and Aging
Unit Seven Environmental Protection
Unit Eight Food and Health
Unit Nine Economy
Unit Ten American Culture
Unit Eleven The Educational System in the West
Unit Twelve Woman Issues
Unit Thirteen Sports
Unit Fourteen Television and the Internet
Unit Fifteen Lessons for Life
Key to the Exercises