Unit 1 Great People Lesson One The Strange Echo 1 Lesson Two Alexander Fleming 10 Lesson Three Zheng He and Columbus 19 Unit 2 Nature and Science Lesson One Super Typhoon Mangkhut 28 Lesson Two How Light Travels 38 Lesson Three Alexander Bell's Greatest Invention 47 Unit 3 Arts and Music Lesson One Warm and Cool Colors 56 Lesson Two How We Use Music to Manage Our Stress and Emotions 65 Lesson Three Aging Mona Lisa Worries Louvre 75 Unit 4 Fashion and Design Lesson One Barbie Doll 85 Lesson Two High Platform Shoes 95 Lesson Three Fashion and Style 105 Unit 5 Industry and Manufacturing Lesson One Population Movement 115 Lesson Two The Shenzhou 11 Spacecraft 125 Lesson Three Nuclear Industry 135 Unit 6 E-Life Lesson One Computers 144 Lesson Two The Internet 154 Lesson Three The First Intermet Worm 165 Unit7 Occupations Lesson One Florence Nightingale 175 Lesson Two Driving and Brainpower 185 Lesson Three More Companies Want Employees to Work Less 194 Unit 8 Manners Lesson One Different Customs 204 Lesson Two A Father's Love 213 Lesson Three With One Small Gesture 222
