大学英语 第4册PDF电子书下载

Unit One 1

Text A 1

Text B 15

Practical Dialogue 20

Unit Two 21

Text A 21

Text B 34

Practical Dialogue 39

Unit Three 40

Text A 40

Text B 54

Practical Dialogue 59

Unit Four 60

Text A 60

Text B 73

Practical Dialogue 78

Unit Five 79

Text A 79

Text B 93

Practical Dialogue 98

Unit Six 99

Text A 99

Text B 112

Practical Dialogue 117

Unit Seven 118

Text A 118

Text B 132

Practical Dialogue 136

Unit Eight 137

Text A 137

Text B 151

Practical Dialogue 156

Unit Nine 157

Text A 157

Text B 172

Practical Dialogue 177

Unit Ten 178

Text A 178

Text B 191

Practical Dialogue 195

Appendix Ⅰ Key to Exercises 196

Appendix Ⅱ Glossary 206

Appendix Ⅲ Phrases 220