Read up on Content Aeras 3-B

PARTⅠ
Unit 1 The Cultural Advances of Hellenism
Unit 2 Impressionism
Unit 3 The Great Barrier Reef
Unit 4 The Frozen Continent
Unit 5 The Birth of the Skyscraper

PARTⅡ
Unit 6 The Placebo Effect
Unit 7 Greenwashing
Unit 8 Predicting Volcanic Eruptions
Unit 9 A Star is Born
Unit 10 Inventing the "Talkie"