Unit 1 天文學(xué)和氣象學(xué)
Passage 01 Determining the Ages of the Planets and the Universe 2
Passage 02 Alaska and Bark Beetles 9
Passage 03 Milankovitch Cycles and Glaciation 15
Passage 04 The Climate of Japan 22

Unit 2 地質(zhì)學(xué)
Passage 05 Saving Soil and Cropland 30
Passage 06 Early Theories of Continental Drift 37
Passage 07 How Soil is Formed 44
Passage 08 Earthquake Prediction 50

Unit 3 藝術(shù)
Passage 09 Cave and Rock Art 58
Passage 10 Historical Trends in European Urban Design 64
Passage 11 Mexican Mural Art 71
Passage 12 Olmec Art 78
Passage 13 Portraits as Art 84
Passage 14 The Early History of Motion Pictures 91

Unit 4 海洋生物
Passage 15 Bioluminescence in Marine Creatures 100
Passage 16 Coral Reef Communities 106
Passage 17 Sea Turtle Hatchling Strategies for Navigation 113
Passage 18 Temperature Regulation in Marine Organisms 120
Passage 19 The Brain Size of Bottlenose Dolphins 127

Unit 5 動(dòng)物學(xué)和植物學(xué)
Passage 20 Bird Colonies 136
Passage 21 Bison and Humans 142
Passage 22 Dinosaurs and Parental Care 149
Passage 23 Human Impacts on Biogeography 156
Passage 24 The Cambrian Explosion 163
Passage 25 The Extinction of the Dinosaurs 170
Passage 26 The First Eyes 177
Passage 27 The Geographical Distribution of Gilding Animals 183
Passage 28 Vocalization in Frogs 189
Passage 29 Preventing Overgrowth among Tree Branches 195

Unit 6 人類(lèi)學(xué)、商業(yè)和心理學(xué)
Passage 30 Art and Culture of Pacific Northwest Communities 202
Passage 31 Domestication 208
Passage 32 Hunting and the Setting of Inner Eurasia 216
Passage 33 Origins of the Megaliths 222
Passage 34 Consolidated Industry in the United States 229
Passage 35 Costs of Quitting a Job 236
Passage 36 Controversy about Causing Emotion 243
Passage 37 Motor Development in Children 250

Unit 7 古代文明
Passage 38 Documenting the Incas 260
Passage 39 Mesopotamian and Egyptian Settlement Patterns 266
Passage 40 The Collapse of the Mayas 273
Passage 41 The Emergence of Civilization 280
Passage 42 The Multiplier Effect 287
Passage 43 The Western Roman Empire in the Fifth Century 294

Unit 8 歷史
Passage 44 Newspaper in Western Europe 304
Passage 45 Effects of the Commercial Revolution 311
Passage 46 Europe Context of the Scientific Revolution 319
Passage 47 Farming New England in Colonial Times 326
Passage 48 Population Revolution in Eighteenth-Century Europe 333
Passage 49 The British Economy under the Roman Empire 339
Passage 50 Written Records 346