Map of the book 4
Unit 1 Welcome 6
Unit 2 Numbers 12
Unit 3 Work 18
Unit 4 Information 24
Unit 5 Places 30
Unit 6 Action 36
Unit 7 Meeting 42
Unit 8 Reporting 48
Unit 9 Communication 54
Unit 10 Progress 60
Unit 11 Plans 66
Unit 12 Sales 72
Communication practice 78
Grammar and vocabulary practice 94
Grammar reference 107
Transcripts 116
人名 128
地名 131
专业名词 133