Unit 1 Introduction 1
What is the Computer and the Internet？ 1
目录 1
How To Do：Improving Your Current System 7
How To Work：A Server 7
Grammar Focus：名词、代词、形容词及副词 7
How To Work：Personal Web Pages 1 10
Grammar Focus：状语从句 1 10
Text in Chinese：计算机和因特网 11
Reading Selection：Processor 11
构词法（Ⅰ） 13
Reading Selection：The Web 1 13
Text in Chinese：输出 1 13
Practical Writing：怎样写名片 14
Practical Writing：通知信 1 16
What is Software？ 16
Unit 2 System Software（Ⅰ） 16
How To Do：Cleaning the Keyboard 20
Grammar Focus：冠词、数词、连词及介词 21
How To Work：Channels 21
Text in Chinese：系统软件 24
Reading Selection：Software 24
构词法（Ⅱ） 25
Practical Writing：留言便条和预约便条 28
Unit 3 System Software（Ⅱ） 30
What is the Operating System？ 30
How To Do：Text Document 34
How To Work：The Video Capture Card 34
Grammar Focus：动词时态和动词语态 34
Reading Selection：MP3 37
Text in Chinese：操作系统 37
构词法（Ⅲ） 38
Practical Writing：邀请函 41
What are Software Applications？ 43
Unit 4 Software Applications（Ⅰ） 43
How To Do：Using WinZip 47
Grammar Focus：非限定性动词 48
How To Work：The Voice Recognition System 48
Text in Chinese：应用软件 51
Reading Selection：Programs 52
科技英语的语言特点（Ⅰ） 53
Practical Writing：咨询信 56
Unit 5 Software Applications（Ⅱ） 58
What are Software Suites？ 58
How To Do：Encrypt 62
How To Work：Internet Telephony Calls 62
Grammar Focus：虚拟语气 63
Text in Chinese：软件套装 65
Reading Selection：Online Learning 65
科技英语的语言特点（Ⅱ） 67
Practical Writing：感谢信 71
What is the System Unit？ 73
Unit 6 The System Unit 73
How To Do：A Virus 79
How To Work：MP3 80
Grammar Focus：名词性从句 80
Text in Chinese：系统装置 82
Reading Selection：Hardware on the Inside 83
科技英语的写作特点（Ⅰ） 86
Practical Writing：道歉信 88
Unit 7 Input 89
What is Input？ 89
How To Do：Printer 94
How To Work：Telephone Wiring System 95
Grammar Focus：定语从句 95
Text in Chinese：输入 97
Reading Selection：Making Connections 98
科技英语的写作特点（Ⅱ） 100
Practical Writing：简历 101
What is Output？ 105
Unit 8 Output 105
How To Do：E-mail 109
科技英语翻译方法与技巧（Ⅰ） 115
What is a Disk？ 118
Unit 9 Disk 118
How To Do：Shopping 122
How To Work：Register 123
Grammar Focus：主谓一致 123
Text in Chinese：磁盘 125
Reading Selection：Storage 126
科技英语翻译方法与技巧（Ⅱ） 128
Practical Writing：申请信 131
Unit 10 Network 133
What is a Network？ 133
Grammar Focus：倒装句及句子种类 138
How To Work：Security suites 138
How To Do：A Search Tool 138
Text in Chinese：网络 141
Reading Selection：A Home（Page）ofYour Own 142
科技英语翻译方法与技巧（Ⅲ） 143
Practical Writing：标点符号 147
练习参考答案 148
Supplementary Words 160
一、初级常用词汇 160
二、常用专用词组 168
三、专业缩略语 182