当代大学英语 高级技能英语 第6级PDF电子书下载

Unit 1 It's never too late! 1

Unit 2 Water,water,everywhere 23

Unit 3 Globalization 49

Unit 4 The World of learning 77

Unit 5 The social impact of television 103

Unit 6 Global warming 141

Unit 7 Joining the firm 173

Unit 8 Health matters 201

Unit 9 You and computers 227

Unit 10 Good science-and bad 253

Unit 11 Cultural Globalization 281

Unit 12 What does the future hold 307

Appendix Ⅰ:American and British English 336

Appendix Ⅱ:Irregular verbs 338

Appendix Ⅲ:Glossary 341