Unit 1 Protecting Our Environment 1
Unit 2 Protecting Our Home 19
Challenging Yourself Ⅰ Saving Our Earth 40
Unit 3 Seeking Advice 43
Unit 4 Understanding People 61
Challenging Yourself Ⅱ Serving People 78
Unit 5 Appreciating Classics 82
Unit 6 Enjoying a Story 101
Challenging Yourself Ⅲ Understanding Stories 121
期末检测题 125
参考答案 132
听力原文 145