Unit 13 Healthy eating 1
Unit 14 Festivals 16
Unit 15 The necklace 30
Unit 16 Scientists at work 44
Unit 17 Famous women 58
期中测试题 73
Unit 18 New Zealand 82
Unit 19 Mode? agriculture 95
Unit 20 Humour 109
Unit 21 Body language 123
Unit 22 A world of fun 137
期末测试题 151
参考答案 160