Unit1 The summer holidays 1
Unit2 In the lab 9
Unit3 American English 18
Unit4 Travel 27
Unit5 Why do you do that? 36
Unit6 A new factory 44
Unit7 Earthquakes 51
Unit8 Mainly revision 59
Unit9 Computers 66
Unit10 Sports 74
Unit11 Country music 80
Unit12 English programmes 88
Unit13 Abraham Lincoln 93
Unit14 Mainly revision 99
Unit15 Healthy eating 106
Unit16 Fire! 116
Unit17 Nature 126
Unit18 The necklace 137
Unit19 Jobs 151
Unit20 Mainly revision 161
Unit21 Karl Marx 168
Unit22 Britain and Ireland 179
Unit23 Rescuing the temple 190
Unit24 The science of farming 198
Unit25 At the conference 207
Unit26 mainly revision 217