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
Chapter 11 Database Management Key points: useful terms and definitions of Database Management Difficult points: Classification of the logical structuring techniques of DBMS
一、书信(Letter) 书信(Letter)是用以交涉事务、增进了解、交流思想、 联络感情的工具。书信通常分为事务信件或公函( Business Letter or Official Correspondence)和私人信件(Private Letter) 两大类。英语书信从信封到正文,其写法格式与汉语的不尽 相同,有些方面则是完全不同的。下面将按写英语信的先后 次序,逐条举例作一解说
New Words deadeye: In informal English, dead may mean \precise(ly)\ or accurate(ly)\. ---Bill was dead shot with rifle. The model plane landed dead in the middle of the square