1 Lifelong Learning 1
Ⅰ.Review 1
Ⅱ.Extended Exercises 3
2 Food Culture 12
Ⅰ.Review 12
Ⅱ.Extended Exercises 14
3 Knowledge and Skills 23
Ⅰ.Review 23
Ⅱ.Extended Exercises 25
4 Sportsmanship 33
Ⅰ.Review 33
Ⅱ.Extended Exercises 35
5 Life in E-era 44
Ⅰ.Review 44
Ⅱ.Extended Exercises 46
6 Eco-friendly World 55
Ⅰ.Review 55
Ⅱ.Extended Exercises 57
7 Fads and Trends 66
Ⅰ.Review 66
Ⅱ.Extended Exercises 68
8 Work Ethics 77
Ⅰ.Review 77
Ⅱ.Extended Exercises 79
Keys and Answers 89