Unit 1 Great People
Lesson One The Strange Echo/1
Lesson Two Alexander Fleming/7
Lesson Three Zheng He and Columbus/13
Unit 2 Nature and Science
Lesson One Super Typhoon Mangkhut/20
Lesson Two How Light Travels/26
Lesson Three Alexander Bell’s Greatest Invention/32
Unit 3 Arts and Music
Lesson One Warm and Cool Colors/39
Lesson Two How We Use Music to Manage Our Stress and Emotions/45
Lesson Three Aging Mona Lisa Worries Louvre/51
Unit 4 Fashion and Design
Lesson One Barbie Doll/57
Lesson Two High Platform Shoes/63
Lesson Three Fashion and Style/69
Unit 5 Industry and Manufacturing
Lesson One Population Movement/75
Lesson Two The Shenzhou 11 Spacecraft/81
Lesson Three Nuclear Industry/87
Unit 6 E-life
Lesson One Computers/93
Lesson Two The Internet/99
Lesson Three The First Internet Worm/105
Unit 7 Occupations
Lesson One Florence Nightingale/112
Lesson Two Driving and Brainpower/119
Lesson Three More Companies Want Employees to Work Less/125
Unit 8 Manners
Lesson One Different Customs/132
Lesson Two A Father’s Love/138
Lesson Three With One Small Gesture/144
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