��Ŀ䛡� Unit One Part I The Creation of the Automotive World Part �� How the Automobile Shaped America:The 'Burbs Part �� America's Romance with the Car Part IV The Benefits and Drawbacks of EVs Part V The Automobile Shapes the City Unit Two Part I Climate Change ��What You Can Do Part �� The History and Development of Suburbs Part �� Millennials Are Happiest in Cities Part IV The Advantages of Suburban and City Life Part V Time to Leave the Big City for the Little City Unit Three Part I Black Holes Part �� Carl Sagan and the Cosmos Legacy Part �� The Hubble Space Telescope Part IV The Advantages and Disadvantages of Space Exploration Part V China's Chang e Program:Missions to the Moon Unit Four Part I The Economics of Product Design Part II The Modern Workplace:Flat,Flexible,and Wired Up Part �� What Does an Industrial Designer Do? Part IV The Pros and Cons of Working an Office Job Part V Staying Happy Unit Five Part I Lindas New Friend Part II The Meaning of Friendship in a Social Networked World Part �� What Are the Advantages of Digital Communication? Part IV The Pros and Cons of Making Friends at the Office Part V Friendship in the Age of Social Media Unit Six Part I Lawyers and Professors and Cars and Clothing Part �� A Decidedly Mixed Bag Part �� Long Live the Mom and Pop:Why Small Businesses Have a Magic Touch Part IV The Advantages and Disadvantages of Small-Business Ownership Part V AVisit to the Hema Store in Beijing