大学英语 上PDF电子书下载

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