Unit 1 Great People Lesson One The Strange Echo Lesson Two Alexander Fleming Lesson Three Zheng He and Columbus Unit 2 Nature and Science Lesson One Super Typhoon Mangkhut Lesson Two How Light Travels Lesson Three Alexander Bell's Greatest Invention Unit 3 Arts and Music Lesson One Warm and Cool Colors Lesson Two How We Use Music to Manage Our Stress and Emotions Lesson Three Aging Mona Lisa Worries Louvre Unit 4 Fashion and Design Lesson One Barbie Doll Lesson Two High Platform Shoes Lesson Three Fashion and Style Unit 5 Industry and Manufacturing Lesson One Population Movement Lesson Two The Shenzhou 11 Spacecraft Lesson Three Nuclear Industry Unit 6 E-life Lesson One Computers Lesson Two The Internet Lesson Three The First Internet Worm Unit 7 Occupations Lesson One Florence Nightingale Lesson Two Driving and Brainpower Lesson Three More Companies Want Employees to Work Less Unit 8 Manners Lesson One Different Customs Lesson Two A Father's Love Lesson Three With One Small Gesture
