当代大学英语 第3级 听说交互英语 学生学习课本PDF电子书下载

Unit 1 How do you do! 1

Unit 2 Introducing a speaker 27

Unit 3 Giving a speech 57

Unit 4 A trip down the river 83

Unit 5 The motion picture industry 109

Unit 6 Help!My computer s down! 135

Unit 7 Coming for a meal 163

Unit 8 Breaking the ice 191

Unit 9 Welcome to the US 221

Unit 10 Talking about energy 243

Unit 11 Money makes the world go around 265

Unit 12 The world of work 285