CHAPTER 01
UNIT 01 The World Is a Stage
UNIT 02 Magic Numbers in the Universe
UNIT 03 From Bright to White
UNIT 04 Translating for the Future
Think & Write 1 Which Form of Communication Is the Most Convenient?

CHAPTER 02
UNIT 05 Many Moons
UNIT 06 Math in Our Everyday Lives
UNIT 07 Having Difficulties? No Problem!
UNIT 08 A Revolution That Changed the World
Think & Write 2 What Are Some Negative Effects of Urbanization?

CHAPTER 03
UNIT 09 The Power of Nature
UNIT 10 Fashionable Pollution
UNIT 11 Things That We Shouldn’t Forget
UNIT 12 Shared Treasures
Think & Write 3 Which Three Things in Your Country Would You Introduce to Tourists?

CHAPTER 04
UNIT 13 Body Image and Food
UNIT 14 To Laugh or To Cry
UNIT 15 This Time, I Am the Leader!
UNIT 16 Wear SMART!
Think & Write 4 What Technology Do You Think Is Helpful for Learning?

CHAPTER 05
UNIT 17 You Are Using Probability
UNIT 18 A New Age of Painting
UNIT 19 Where Does the Water Go?
UNIT 20 The World Stays Single... Why?
Think & Write 5 Why Do Many People in Modern Society Prefer to Spend Time Alone?

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