Unit1 The Summer Holidays 1
Unit2 In the Lab 9
Unit3 America English 17
Unit4 Travel 25
Unit5 Why do You Do That？ 33
Unit6 A New Factory 41
Unit7 Earthquakes 48
期中考试试题 56
Unit8 Mainly Revision 61
Unit9 Computers 69
Unit10 Sports 77
Unit11 Country Music 85
Unit12 English Programmes 93
Unit13 Abraham Licoln 101
Unit14 Mainly Revision 109
期末考试试题 117
参考答案 121