Unit 2 Invitation and Arrangement of visits 邀请与答复 Dear Mr/Ms We should like to invite you to attend the 2003 International Fair which will be held from april 29 to May 4 at the above address. Full details on the Fair will be sent in a week We look forward to hearing from you soon, and hope that you will be able to attend Yours faithfully
Unit 14 Flexible trade Letter 1 Take up:从事 Undertake:承担,保证 The down payment for the production line can not be higher than 10%of the total value; Repayment:偿还的款项
Unit 12 Claim and Settlement Points for attention: When making a claim, plan your letter as follows: Begin by regretting the need to complain Mention the date of the order, the date of delivery and the goods complained about
Unit 10 Shipping Points for attention: Letters regarding shipment are usually written for the following purposes: To urge an early shipment; To amend shipping terms; ·To give shipping advice; To despatch shipping documents
Chapter 7 Programming Languages Key points: useful terms and definitions of programming languages Difficult points: describing the differences between compilers and interpreters
Chapter Operating System Key points: Function and structure of Operating System Difficult points: Resource allocation and related functions User interface functions
Chapter 3 Number Systems and Boolean Algebra Key points: useful terms and definitions of Number system and Boolean Algbra Difficult points: Conversion of the Number Systems and Boolean Algbra
Chapter 1 The History and Future of Computers Key points: useful terms and definitions of computers Difficult points: describing the features of computers of each generation