part one practicaibusiness englishchapterⅰ writing of business englishpracticeⅰchapterⅱ establishment ofbusiness relationslesson one initiating businesspractice ⅱchapterⅲ business negotiationslesson two an enquirylesson threerequest for sample chargeslesson four (a) anon-firm offer(b) a firm offerlesson fivea counter-offerlesson six (a) declining a counter-offer(b) reply to the above (c) acceptancepractice ⅲchapterⅳ orders and contractslesson seven(a) an order for laptop computers(b) sending a sales contract(c) a countersignature letterpractice ⅳchapterⅴ packinglesson eight(a) packing in cartons(b) packing requirementspractice ⅴchapterⅵ l/c establishment，amendment and extensionlesson nine(a) urging establishment ofan l/c(b) a reply lesson tenasking for l/c amendmentlesson eleven asking for extension of an l/cpracticeⅵchapterⅶ insurancelesson twelve(a) request for broader coverage(b) reply to the abovepracticeⅶchapterⅷ shipmentlesson thirteen(a) asking for earlier delivery(b) a reply(c) asking for partial shipmentslesson fourteen (a) shippingadvice(1)(b) shipping advice(2)practiceⅷchapterⅸ payment terms (non-l/c payment)lesson fifteen(a) proposing to change payment terms(b) t/t payment(c) reply from the buyerpractice ⅸchapterⅹ complaints， claims and adjustmentslesson sixteen(a) complaint about wrong goods(b) a reply'lesson seventeen (a) claim forlnferior quality'(b) a reply to the claim(c) asking for prompt settlement(d) setdement of the claimpracticeⅹ part two chinese version and suggested answers