Unit 13 Healthy eating 1
Unit 14 Festivals 11
Unit 15 The necklace 19
Unit 16 Scientists at work 28
Unit 17 Great women 37
Unit 18 New Zealand 47
Unit 19 Modern agriculture 56
Unit 20 Humour 65
Unit 21 Body language 74
Unit 22 A world of fun 83
期中测试 94
期末测试 101