Unit 9 Computer virus Text 1 Virus Introduction Viruses will cause much confusion. Even some virus\experts\will misinform the cause of the virus. Let's define what we mean by virus a virus is a program that reproduces its own code by attaching itself to other executable files
Unit 7 The Fundamentals of computer Software Text 1 Data Structure A data structure is a data type. Its values are composed of component elements that are related by some structure Since a data structure is a data type, it has a set of operations on its values. In addition, there
Unit 2 More about Computer Text 1 Guess What It is Let's begin this unit with a riddle. Try to guess what it is? It is like a tv. but it is not It is a calculator but it is more than a calculator It is not so mysterious, but it is powerful and intelligent When you want to send or receive e-mail
Reading skills of scientific and technical English Reading for Main Idea(获取主题思想) 我们可以把获取主题思想的阅读技巧分四步 1辨认主题名词 identify subject word 2找出主题词 find subject word 3获取主题思想 gain main idea 4避免不相关的内容 avoid disrelated content
