目录 1
Unit 15 Healthy eating 1
Unit 16 Fire！ 29
Unit 17 Nature 55
Unit 18 The necklace 86
Unit 19 Jobs 117
Unit 20 Mainly revision 143
Unit 21 Karl Marx 171
Unit 22 Britain and Ireland 207
Unit 23 Rescuing the temple 242
Unit 24 The science of farming 276
Unit 25 At the conference 310
Unit 26 Mainly revision 340
听力原文 363
参考答案 389