Unit 1 The summer holidays 1
Unit 2 In the lab 29
Unit 3 American English 57
Unit 4 Travel 82
Unit 5 Why do you do that? 109
Unit 6 A new factory 134
Unit 7 Earthquakes 160
Unit 8 Mainly revision 190
Unit 9 Computers 214
Unit 10 Sports 236
Unit 11 Country music 258
Unit 12 English programmes 285
Unit 13 Abrabam Lincoln 309
Unit 14 Mainly revision 337
Unit 15 Healthy eating 360
Unit 16 Fire! 384
Unit 17 Nature 407
Unit 18 The necklace 429
Unit 19 Jobs 453
Unit 20 Mainly revision 482
Unit 21 Karl Marx 505
Unit 22 Britain and lreland 527
Unit 23 Rescuing the temple 552
Unit 24 Teh science of farming 578
Unit 25 At the conference 600
Unit 26 Mainly revision 627