Unit 1 Career Competition 1
Unit 2 Environmental Revolution 9
Unit 3 Health 17
Unit 4 Confidence 25
Unit 5 World Trade 34
Unit 6 Star Power 43
Unit 7 Complaint 52
Unit 8 Information Kingdom 61
Unit 9 Oil Energy 71
Unit 10 Hand in Hand 80
Unit 11 Hot Buy 90
Unit 12 Delivery 100
Appendix Ⅰ Words and Expressions 110
Appendix Ⅱ Answers 116
Appendix Ⅲ Tapescripts 134
后记 181