一、听力训练 1
Unit 15 Healthy eating 1
Unit 16 Fire 8
Unit 17 Nature 14
Unit 18 The necklace 20
Unit 19 Jobs 26
Unit 20 Mainly revision 32
Unit 21 Karl Marx 38
Unit 22 Britain and Ireland 45
Unit 23 Rescuing the temple 52
Unit 24 The science of farming 60
Unit 25 At the conference 67
Unit 26 Mainly revision 74
Test 1 81
Test 2 87
Test 3 94
二、录音内容 101
三、答案 165