Unit1 We usually accept payment by L/C Part Ⅰ Warming Up. Part Ⅱ Scaffolding. Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 2 What about the export p Part Ⅰ Warming Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit3 Shall We take up thein Part Ⅰ Warming Up Part Ⅱ Scaffolding. Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 4 When ts the earliest shipment you can make? Part Ⅰ Warming Up Part Ⅱ Scaffolding. Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 5 H0w d0 you cover insurance? Part ⅠWarming Up Part Ⅱ Scaffolding. Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 6 Now the draft contract is ready. Part Ⅰ Wanning Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 7 We convey our sincere apologies to you. Part Ⅰ Wanning Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 8 You can appoint us as your sole agent. Part Ⅰ Warming Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part IV Learning More Unit 9 We want to invite some foreign investment. Part I Warming Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More Unit 10 We need a more competitive product. Part I Wanning Up Part Ⅱ Scaffolding Situational Dialogue 1 Situational Dialogue 2 Part Ⅲ Practice Part Ⅳ Learning More