Unit 1 The summer holidays 1
Unit 2 In the lab 24
Unit 3 American English 51
Unit 4 Travel 75
Unit 5 Why do you do that? 94
Unit 6 A new factory 112
Unit 7 Earthquakes 125
Unit 8 Mainly revision 144
第一学期期中测试卷 152
Unit 9 Computers 160
Unit 10 Sports 176
Unit 11 Country music 191
Unit 12 English programmes 205
Unit 13 Abraham Lincoln 220
Unit 14 Mainly revision 234
第一学期期末测试卷 243
Unit 15 Healthy eating 251
Unit 16 Fire 270
Unit 17 Nature 285
Unit 18 The necklace 301
Unit 19 Jobs 316
Unit 20 Mainly revision 332
第二学期期中测试卷 341
Unit 21 Karl Marx 351
Unit 22 Britain and Ireland 367
Unit 23 Rescuing the temple 382
Unit 24 The science of framing 396
Unit 25 At the conference 410
Unit 26 Mainly revision 424
第二学期期末测试卷 434
参考答案 445