Unit One 1
Text A Life at a University 1
Text B The Value of Education 4
Grammar情态动词 6
Unit Two 13
Text A The Pleasure of Reading 13
Text B Teachers and Actors 17
Grammar虚拟语气 19
UnitThree 28
Text A The Supermarket 28
Text B Public Transportation 32
Grammar非谓语动词的比较 36
Unit Four 44
Text A How Did Life Begin 44
Text B Freedom 48
Grammar there引导的句型 50
Unit Five 57
Text A Water Resources 57
Text B Life Without Electricity 62
Grammar短语动词 64
Unit Six 76
Text A The Standard of Living 76
Text B Smoking and Cancer 81
Grammar名词从句 84
Unit Seven 93
Text A How to Improve Your Study Habits 93
Text B Why We Learn the English Language 98
Grammar定语从句 100
Unit Eight 108
Text A Education Around the World 108
Text B How to Read Faster 113
Grammar状语从句（一） 115
Unit Nine 124
Text A Social Customs in America 124
Text B First or Last Names? 128
Grammar状语从句（二） 130
Unit Ten 140
Text A The Olympics 140
Text B Women in Sports 144
Grammar反意疑问句 146
Unit Eleven 150
Text A London 150
Text B How to Use London Telephones 156
Grammar it的用法 159
Unit Twelve 166
Text A Time and the Calendar 166
Text B Biological Clocks 172
Grammar并列结构及插入语 175
复习测试题 185
译文和答案 191
Glossary 255