Preface（前言）
Suggestion（教学建议）
Unit 1  Introduction to the World of Computers
  Part 1  Listening and Speaking
    Dialogue: Buying a New Notebook Computer
    Listening Comprehension: John von Neumann
    Dictation: The Rise of Mobile Computing: The Getting-Smarter Smartphone
  Part 2  Reading and Translating
    Section A: Cloud Computing
    Section B: The Internet of Things
  Part 3  Simulated Writing: Communicating with E-mail and Memos (I)
Unit 2  Hardware
  Part 1  Listening and Speaking
    Dialogue: How Radio Frequency Identification (RFID) Readers Work
    Listening Comprehension: Moore’s Law
    Dictation: Sensors Get Data We Never Had Before
  Part 2  Reading and Translating
    Section A: Wearable Technology
    Section B: 3-D Printing
  Part 3  Simulated Writing: Communicating with E-mail and Memos (II)
Unit 3  Software
  Part 1  Listening and Speaking
    Dialogue: Making an Electronic Album Using Multimedia Editing Software
    Listening Comprehension: New Technology to Replace the Mouse: The Gesture Interface
    Dictation: Open Source Software
  Part 2  Reading and Translating
    Section A: Web Apps and Mobile Apps
    Section B: Cloud Software
  Part 3  Simulated Writing: Uncovering the Secrets of Clear Writing (I)
Unit 4  Operating Systems
  Part 1  Listening and Speaking
    Dialogue: Talking about Operating Systems
    Listening Comprehension: Android
    Dictation: Linus Torvalds and the Software Nobody Knows
  Part 2  Reading and Translating
    Section A: Mobile versus Desktop Operating Systems
    Section B: Open vs. Closed Systems: What the Future Holds
  Part 3  Simulated Writing: Uncovering the Secrets of Clear Writing (II)
Unit 5  Program Development and Programming Languages
  Part 1  Listening and Speaking
    Dialogue: Getting to Know Java Runtime Environment (JRE) and Java Virtual Machine (JVM)
    Listening Comprehension: IDE
    Dictation: Ada Lovelace, the First Programmer
  Part 2  Reading and Translating
    Section A: Web Application Development
    Section B:  Mobile App Development
  Part 3  Simulated Writing: Developing Reports and Proposals (I)
Unit 6  Databases
  Part 1  Listening and Speaking
    Dialogue:  Why is Big Data a Challenge  
    Listening Comprehension: Data Mining
    Dictation: Data Warehouse
  Part 2  Reading and Translating
    Section A: Normalization: Ensuring Data Consistency
    Section B: Big Data
  Part 3  Simulated Writing: Developing Reports and Proposals (II)
Unit 7  Computer Network and Internet
  Part 1  Listening and Speaking
    Dialogue: Setting up a Wireless Network
    Listening Comprehension: IPv6—the Next Generation Internet Protocol
    Dictation: Router
  Part 2  Reading and Translating
    Section A: OSI Reference Model: The Driving Force behind Network Communications
    Section B: Mobile Internet
  Part 3  Simulated Writing: Writing for Employment (I)
Unit 8  The Internet and World Wide Web
  Part 1  Listening and Speaking
    Dialogue: Knowing the Myth about the Internet
    Listening Comprehension: How a World-Shaking Technology Came About:Tim Berners-Lee Invents the World Wide Web
    Dictation: How Web Search Engines Work
  Part 2  Reading and Translating
    Section A: DNS Servers: Flow Devices on the Internet Easily Locate Each Other
    Section B: Social Networking Sites
  Part 3  Simulated Writing: Writing for Employment (II)
Unit 9  E-commerce
  Part 1  Listening and Speaking
    Dialogue: Protecting Buyers’ Privacy with Online Payment Services
    Listening Comprehension: Social Commerce
    Dictation: Mobile Payments
  Part 2  Reading and Translating
    Section A: Why Online2Offline Commerce is a Trillion Dollar Opportunity
    Section B: E-commerce Tomorrow: The Never-Ending Game
  Part 3  Simulated Writing: Writing Professional Letters (I)
Unit 10  Computer Security and Privacy
  Part 1  Listening and Speaking
    Dialogue: Using Antivirus Softwar