课程资源
习题以及答案
Practice-Unit 1 Fundamentals of Business Correspondence.swf
Practice-Unit 2 Company Profile.swf
Practice-Unit 5 Quotations and Offers.swf
Practice-Unit 6 Counter Offers.swf
Practice-Unit 8 The Seller.swf
Practice-Unit 9 Letter of Credict Notice.swf
Practice-Unit 10 Insurance.swf
Practice-Unit 12 Complaints and Claims.swf
Practice-Unit 13 Adjustments.swf