本书严格按照*新《大学英语教学指南》的规定，在读写译第二版内容基础上修订，为了适用课程需要，教材改名为《综合教程》。第三版更新过时内容，增加前沿话题，保持教材的时效性和创新性。内容体系更加完整，兼顾各学科的通用性，同时也满足了学生个性化自主学习的需要。各分册共有8个单元。各分册既自成体系又紧密相连，准确把握每册难度系数，做到循序渐进。综合教程与视听说教程之间充分体现语言共核、主题循环和内在联系。本册为综合教程第四册。

Unit 1 The Origin of Human Civilization
Learning Objectives
By the end of this unit, you will be able to:
? enlarge your vocabulary of human civilization;
? grasp the main idea of the text and each paragraph;
? strengthen cultural confidence;
? use the present and past participles as adverbials;
? identify the author’s point of view;
? write an essay on the topic “Building a Global Community of Shared Future.”

Warming-up
Civilization is a big topic, it might be useful to start by asking ourselves three big questions:
? What is civilization?
? When and where did civilization begin?
? Where is civilization heading?
The future of civilization has a central bearing on the future of humanity. What should we seek in a world of diverse civilizations? What kind of relationship do we want between different civilizations? These questions require some serious thinking. Discuss
with your classmates and try to answer these questions.

Section A
Lead-in
Dunhuang is not only a splendid treasure of ancient Chinese civilization but also an important witness to the frequent cultural integration and mutual learning among the diverse civilizations on the ancient Silk Road. The multiculturalism is testament to Dunhuang’s past, which benefited both China and the rest of the world.

Unit 1 The Origin of Human Civilization Unit 2 Leaders and Leadership Unit 3 Medicine and Life Unit 4 War and Peace Unit 5 Career Building Unit 6 Literature and Life Unit 7 Law and Life Unit 8 Competition and Cooperation