目录 1
Unit 1 The Summer holidays 1
Unit 2 In the lab 15
Unit 3 American English 29
Unit 4 Travel 41
Unit 5 Why do you do that？ 52
Unit 6 A new factory 64
Unit 7 Earthquakes 76
期中考试试题 88
Unit 9 Computer 108
Unit 10 Sports 120
Unit 11 Country music 132
Unit 12 English programmes 144
Unit 13 Abraham Lincoln 157
期末考试试题 170
参考答案 185