Unit 1 The summer holidays 1
Unit 2 In the lab 14
Unit 3 American English 28
Unit 4 Travel 41
Unit 5 Why do you do that? 53
Unit 6 A new factory 65
Unit 7 Eathquakes 76
Unit 8 Mainly revision 87
第一学期期中测试卷 104
Unit 9 Computers 117
Unit 10 Sports 130
Unit 11 Country music 142
Unit 12 English programmes 154
Unit 13 Abraham Lincoln 166
Unit 14 Mainly revision 178
第一学期期末测试卷 196
Unit 15 Healthy eating 209
Unit 16 Fire 219
Unit 17 Nature 230
Unit 18 The necklace 241
Unit 19 Jobs 253
Unit 20 Mainly revision 264
第二学期期中测试卷 282
Unit 21 Karl Marx 294
Unit 22 Britain and Ireland 306
Unit 23 Rescuing the temple 317
Unit 24 The science of farming 328
Unit 25 At the conference 340
Unit 26 Mainly revision 352
第二学期期末测试卷 369
答案部分 383