CONTENTS 1
Unit Page 1
1．The summer holidays 1
2．In the lab 9
3．American English 17
4．Travel 25
5．Why do you do that？ 33
6．A new factory 41
7．Earthquakes 49
8．Mainly revision 57
9．Computers 65
10．Sports 73
11．Country music 81
12．English programmes 88
13．Abraham Lincoln 96
14．Mainly revision 104
Key 112