Episode 15:First Visit to Sinochem(Part Ⅰ) 1
Episode 16:First Visit to Sinochem(Part Ⅱ) 19
Episode 17:A Visit to CCIB(Part Ⅰ) 37
Episode 18:A Visit to CCIB(Part Ⅱ) 55
Episode 19:A Visit to Sinotrans 75
Episode 20:Second Visit to Sinochem(Part Ⅰ) 95
Episode 21:Second Visit to Sinochem(Part Ⅱ) 113
Episode 22:Third Visit to Sinochem 129
Episode 23:Signing Contract ＆ Seeing the Guests off 149
Appendix Ⅰ Key to Exercises 170
Appendix Ⅱ Systematic Checklist 227
Appendix Ⅲ Text Translation 252