CHAPTER 1 Basic Intro .....3 

CHAPTER 2 Basic Grammar Review..............9 

CHAPTER 3 Answering Skills..............21 

CHAPTER 4 Exercise............52 

Passage 1: A Warm-Blooded Turtle...........52 

Passage 2: TIMBERLINE VEGETATION ON MOUNTAINS..........58 

Passage 3: Breathing During Sleep............. 64 

Passage 4: THE ARRIVAL OF PLANT LIFE IN HAWAII................70 

Passage 5: THE ORIGINS OF CETACEANS................76 

Passage 6: Autobiographical Memory..........82 

Passage 7: ARCHITECTURE................88

 Passage 8: Types of Social Groups.................94 

Passage 9: Moving into Pueblos........100 

Passage 10：SUCCESSION, CLIMAX, AND ECOSYSTEMS.........107

Passage 11：Deer Populations of the Puget Sound............114 

Passage 12：RUNNING WATER ON MARS...........120 

Passage 13：MINERALS AND PLANTS..........127 

Passage 14：Chinese Pottery...............133 

Passage 15：Glacier Formation............140 

Passage 16：EARLY SETTLEMENTS IN SOUTHWEST ASIA.................146 

Passage 17：Children and Advertising.......................................152 

Passage 18：The Allende Meteorite.............158 

Passage 19!Powering the Industrial Revolution.................164 

Passage 20：Animal Signals in the Rain Forest.............170 

Passage 21：Urban Climates...............176 

Passage 22：Transition to Sound in Film.....................182 

Passage 23：Lightning...........189 

Passage 24：Colonizing the Americas via the Northwest Coast.............195 

Passage 25：Ancient Rome and Greece.............203 

CHAPTER 5 Answer.................209