Unit 1 Showtime 1
Unit 2 Mysteries 11
Unit 3 Passing Through Customs 20
Unit 4 Never Too Late to Learn 32
Unit 5 To Be Fit,Or Not to Be 41
Unit 6 Living Wisdom 50
Unit 7 A Penny Saved 59
Unit 8 Professional Ethics 68
Unit 9 Guinness Is Guinness 77
Unit 10 Paths to Science 87
Unit 11 Business Negotiation 96
Unit 12 Crime and Penalty 106
Unit 13 In the News 117
Unit 14 Cloning Clues 127
Unit 15 Business Lectures 136
Unit 16 Religion 146
Unit 17 Do It Yourself 156
Unit 18 Universe and Exploration 166
Unit 19 A Better World 176
Unit 20 International Students 186