Unit 0ne Part Ⅰ The Creation of the Automotive World Part Ⅱ How the Automobile Shaped America：The’Burbs Part Ⅲ Americas Romance with the Car Part Ⅳ The Benefits and Drawbacks of Electric Cars Part Ⅴ The Automobile Shapes the City Unit Two Part Ⅰ Climate Change一WhatY0u Can Do Part Ⅱ The History and Development of Suburbs Part Ⅲ 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 Ⅱ Carl Sagan and the Cosmos Legacy Part Ⅲ The Hubble Space Telescope Part Ⅳ The Advantages and Disadvantages of Space Exploration Part Ⅴ Chinas Chang’e Program：Missions to the Moon Unit Four Part Ⅰ The Economics of Product Design Part Ⅱ The Modern Workplace：Flat，F(xiàn)lexible and Wired Up Part Ⅲ What Does an Industrial Designer D0？ Part Ⅳ The Pros and Cons ofWorking 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 Ⅲ 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 Ⅱ A Decidedly Mixed Bag Part Ⅲ 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 Appendix Key to Comprehension Exercises
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