Contents 1
Unit 1 Language and Culture 1
Unit 2 Marketing Strategy 14
Unit 3 Cell Phone 26
Unit 4 How to Manage Your Boss 39
Unit 5 Nature 50
Unit 6 E-commerce 62
Unit 7 Chlidren Need To Play,Not Compete 74
Unit 8 Economy 86
Unit 9 Public Speaking 97
Unit 10 Marketing 109
Key to Exercises in Self-study Workbook 120
Key to Exercises in Classroom Book 147