目录
Unit 1 Chronology:Talking about When Things Happen
Chapter 1 Napoleon:FrOm Schoolboy to Emperor
Chapter 2 Pompeii:Destroyed,Forgotten,and Found
Chapter 3 Steve Jobs:A Man with a Vision
Video Surviving an Avalanche
Unit 2 Process:Describing How Things Work
Chapter 4 Roller Coasters:The Ups and Downs of How They Work
Chapter 5 Language:How Children Acquire Theirs
Chapter 6 Robots:How They Work and Learn to Work
Video Tristan da Cunha Oil Spill
Unit 3 Classification:Defining and Putting Things into Categories
Chapter 7 A TidaI Wave:What Is It?Can We Predict lt?
Chapter 8 Levels of Language:Formal and Informal
Chapter 9 Power:The Kinds of Power People Use and Abuse
Video People, Plants,and Pollinators
Unit 4 Comparison and Contrast:Describing Similarities and Differences
Chapter 10 Asian and African Elephants:Similarities and Differences
Chapter 11 Lincoln and Kennedy:Different Times.Similar Destinies
Chapter 12 The Titanic and the Costa Concordia:Tragedies at Sea
Video Free Soloing with Alex Honnold
Unit 5 Cause and Effect:Describing the Reason Things Happen
Chapter 13 Dinosaurs:Why They Disappeared
Chapter 14 The U.S.Civil War:Why It Happened
Chapter 15 Endangered Species:Why Are They Endangered?
Video The Surma People
Credits