Unit 1 Impressive Stories

Text 1 Galileo and the Pendulum

Text 2 Strange Minds

Text 3 The Man Who Made McDonald's Popular Around the World

Text 4 A Leaf from Heaven

Unit 2 Wonderful Nature

Text 1 Breathing Sea Water

Text 2 Snow

Text 3 The Mystery of Time

Text 4 Wonders of the World—Modern Structures

Unit 3 Great Inventions

Text 1 The Development of Cinema Film

Text 2 The Man Who Lighted the World

Text 3 Two Inventions That Have Helped Save Lives：Seatbelts and Kevlar

Text 4 The Strange Birth of Television

Unit 4 Useful Energies

Text 1 Using the Sun

Text 2 Plastics—Man's Most Useful Material

Text 3 Taking the Hot Air out of Wind Power

Text 4 Danger!Atomic Waste!

Unit 5 Health

Text 1 Want to Eat Less?Imagine Eating More

Text 2 How to Help Your Depressed Teen

Text 3 Walking for Exercise and Pleasure

Text 4 Smoking：It's Never Too Late to Stop

Unit 6 Culture

Text 1 Meet the Downsized Generation：Millennials Who Are Rewriting the Rules for Success

Text 2 What Unites These States?

Text 3 Confucianism in China

Text 4 Ten Benefits of Reading：Why You Should Read Every Day

Text 1 Three Myths on the World's Poor

Text 2 Building a Country by Switching on the Lights

Text 3 Feeding the Planet Without Destroying It

Text 4 Turning up the Volume on Climate Change Isn't Changing Behaviour

Unit 8 Future world

Text 1 The Future of Personal Computing：Cloud-Connected Screens Everywhere

Text 2 Why We Have to Turn Electronic Devices Off on Planes

Text 3 How Your Language Affects Your Wealth and Health?

Text 4 Can Schools Survive in the Age of the Web?

Keys to Exercises

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