创新大学英语读写译教程 教师用书 4PDF电子书下载

Unit 1　Internal Operation of Companies 1

Unit 2 External of Companies 15

Unit 3 Exhibitions 30

Unit 4 Transport and Delivery 41

Unit 5 Starting a Business 51

Unit 6 Cars 63

Unit 7 Real Estate 74

Unit 8 Biotechnology 87

Unit 9 The Economy 100

Unit 10 Social Problems 114

Grammar Reference 128