Unit1 The Summer Holidays 1
Unit2 In the lab 18
Unit3 American English 34
Unit4 Travel 49
Unit5 Why do you do that? 63
Unit6 A new factory 81
Unit7 Earthquakes 97
Unit8 Mainly revision 114
Unit9 Computers 130
Unit10 Sports 143
Unit11 Country music 154
Unit12 English programmes 171
Unit13 Abraham Lineoln 185
Unit14 Mainly revision 201
上学期期中测试卷 214
上学期期末测试卷 226
Unit15 Healthy eating 235
Unit16 Fire 253
Unit17 Nature 277
Unit18 The necklace 296
Unit19 Jobs 318
Unit20 Mainly revision 340
Unit21 Karl Mars 363
Unit22 Britain and Ireland 388
Unit23 Resening the temple 407
Unit24 The science of farming 425
Unit25 At the conference 447
Unit26 Mainly revision 471
下学期期中测试题 495
下学期期末测试题 508