Unit 1 The English Language 1
Unit 2 Friends 9
Unit 3 What Is a Computer?（Ⅰ） 18
Unit 4 What Is a Computer?（Ⅱ） 26
Unit 5 Food Supply 33
Unit 6 Modern Zoos 40
Unit 7 Computers Don't Do the Thinking 47
Unit 8 How to Get on to the Internet from Home 55
Unit 9 Advertising 64
Unit 10 Using the Bank 72
Unit 11 The Machine Age 79
Unit 12 The Olympic Games 87
Common Terms 96
Vocabulary 114