目录 1
编写说明 1
Unit 1 The summer holidays 1
Unit 2 In the lab 10
Unit 3 American English 19
Unit 4 Travel 29
Unit 5 Why do you do that？ 38
Unit 6 A new factory 49
Unit 7 Earthquakes 58
Unit 8 Mainly revision 68
Unit 9 Computers 78
Unit 10 Sports 88
Unit 11 Country music 98
Unit 12 English programmes 108
Unit 13 Abraham Lincoln 117
Unit 14 Mainly revision 127
Unit 15 Healthy eating 137
Unit 16 Fire 146
Unit 17 Nature 156
Unit 18 The necklace 167
Unit 19 Jobs 177
Unit 20 Mainly revision 187
Unit 21 Karl Marx 196
Unit 22 Britain and Ireland 205
Unit 23 Rescuing the temple 214
Unit 24 The science of farming 224
Unit 25 At the conference 233
Unit 26 Mainly revision 245
参考答案 256