UNIT 1 FOOD AND DRINK Part Ⅰ Reading Comprehension （Skimming and Scanning） The Process of Making Chocolate Part Ⅱ Reading Comprehension （Reading in Depth） Section A American Food and Drink Section B Passage 1 Changes in the American Diet Passage 2 Categorization of Food UNIT 2 CULTURE Part Ⅰ Reading Comprehension （Skimming and Scanning） What Is Culture? Part Ⅱ Reading Comprehension（Reading in Depth） Section A The Origin of "Cool" Section B Passage 1 Knighthood and Chivalry Passage 2 Code and Culture UNIT 3 ENTERTAINMENT Part Ⅰ Reading Comprehension （Skimming and Scanning） Magic Part Ⅱ Reading Comprehension （Reading in Depth） Section A Healing Power of Hobbies Section B Passage 1 TV Talk Shows Passage 2 Benefits of Play UNIT 4 GEOGRAPHY Part Ⅰ Reading Comprehension（Skimming and Scanning） The Sahara Part Ⅱ Reading Comprehension（Reading in Depth） Section A The Dead Sea Section B Passage 1 Iceland Passage 2 A Stamp Made the Canal UNIT 5 ADVENTURE Part Ⅰ Reading Comprehension（Skimming and Scanning） Space Observation and Travel Part Ⅱ Reading Comprehension（Reading in Depth） Section A Robinson Crusoe Section B Passage 1 Discovery of the Antarctic Passage 2 1953 Everest Expedition UNIT 6 DISCOVERY Part Ⅰ Reading Comprehension（Skimming and Scanning） A Western Route to the East Part Ⅱ Reading Comprehension（Reading in Depth） Section A Discovering the New World Section B Passage 1 First Dinosaur Fossil Discoveries Passage 2 Mayan Queens Tomb Unearthed UNIT 7 ENVIRONMENT Part Ⅰ Reading Comprehension （Skimming and Scanning） The Shrinking Earth Part Ⅱ Reading Comprehension （Reading in Depth） Section A Heat Pollution Section B Passage 1 Cleaner-Burning Fuels Passage 2 Environmental Ethics UNIT 8 NATURAL PHENOMENA Part Ⅰ Reading Comprehension （Skimming and Scanning） The Asian Tsunami Part Ⅱ Reading Comprehension（Reading in Depth） Section A Glacier Section B Passage 1 Continental Drift Passage 2 Erosion UNIT 9 DISASTERS Part Ⅰ Reading Comprehension （Skimming and Scanning） 2008 Sichuan Earthquake Part Ⅱ Reading Comprehension （Reading in Depth） Section A Winged Warrior Section B Passage 1 Avalanche Passage 2 Caterpillar-the Rescuer UNIT 10 MATERIAL Part Ⅰ Reading Comprehension （Skimming and Scanning） Plastics and Rubbers in Building Part Ⅱ Reading Comprehension （Reading in Depth） Section A Nano-material Is Harder than Diamonds Section B Passage 1 Glass Fibers Passage 2 Barbed Wire UNIT 11 ECONOMY Part Ⅰ Reading Comprehension （Skimming and Scanning） Chinas Economy Part Ⅱ Reading Comprehension （Reading in Depth） Section A Individual Economic Units Section B Passage 1 US Banking System Passage 2 Financial Market Differences UNIT 12 BUSINESS AND TRADE Part Ⅰ Reading Comprehension （Skimming and Scanning） The Seven Proven Principles to Business Success Part Ⅱ Reading Comprehension （Reading in Depth） Section A Google Section B Passage 1 Toy Business Passage 2 Collaboration of Western and Eastern Airliners UNIT 13 ENERGY Part Ⅰ Reading Comprehension （Skimming and Scanning） Energy Conservation Part Ⅱ Reading Comprehension （Reading in Depth） Section A The Coming Energy Crisis? Section B Passage 1 Wind Power …… UNIT 14 INVENTIONS UNIT 15 SPACE UNIT 16 SOCIETY UNIT 17 GENDER GAP UNIT 18 ISSUES AND OPINIONS UNIT 19 FOREIGN CUSTOMS UNIT 20 ANCIENT CIVILIZATIONS UNIT 21 DETECTIVE STORIES UNIT 22 GREAT NAMES UNIT 23 LITERATURE UNIT 24 HISTORY UNIT 25 PHILOSOPHY Key References
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