Part Ⅰ．语言点及背景知识

Unit 1 Parents

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 2 Coincidence

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Part Ⅰ．语言点及背景知识

Unit 3 Marriage

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 4 Stress

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Part Ⅰ．语言点及背景知识

Unit 5 Youth

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 6 The Natural World

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 7 Courage

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 8 Left-handedness

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Part Ⅰ．语言点及背景知识

Unit 9 The Business World

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 10 Humor

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 11 The Cinema

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 12 The SingleCurrency

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Part Ⅰ．语言点及背景知识

Unit 13 The Universe

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 14 Genetic Engineering

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 15 Women

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

Unit 16 Dealing with a Crisis

Part Ⅰ．语言点及背景知识

Part Ⅱ．练习答案、录音原文及参考译文

Part Ⅲ．一课一练

一课一练录音原文及参考答案