OG编
APPLIED ARTS AND FINE ARTS
THE ORIGINS OF CETACEANS
DESERT FORMATION
EARLY CINEMA
AGGRESSION
ARTISAN AND INDUSTRIALIZATION
SWIMMING MACHINES
NINETEENTH-CENTURY POLITICS IN THE UNITED STATES
THE EXPRESSION OF EMOTIONS
GEOLOGY AND LANDSCAPE
FEEDING HABITS OF EAST AFRICAN HERBIVORE
LOIE FULLER
GREEN ICEBERGS
ARCHITECTURE
THE LONG-TERM STABILITY OF ECOSYSTEMS
DEPLETION OF THE OGALLALA AQUIFER
TPO编
GROUNDWATER
THE ORIGINS OF THEATER
TIMBERLINE VEGETATION ON MOUNTAINS
DEER POPULATIONS OF THE PUGET SOUND
CAVE ART IN EUROPE
PETROLEUM RESOURCES
MINERALS AND PLANTS
THE ORIGIN OF THE PACIFIC ISLAND PEOPLE
THE CAMBRIAN EXPLOSION
POWERING TIIE INDUSTRIAL REVOLUTION
WILLIAM SMITH
INFANTILE AMNESIA
THE GEOLOGIC HISTORY OF THE MEDITERRANEAN
ANCIENT ROME AND GREECE
AGRICULTURE,IRON,AND THE BANTU PEOPLES
THE RISE OF TEOTIHUACAN
EXTINCTION OF THE DINOSAURS
RUNNING WATER ON MARS
COLONIZING THE AMERICAS VIA THE NORTHWEST COAST
REFLECTION IN TEACHING
THE ARRIVAL OF PLANT LIFE IN HAWAII
CHINESE POTTERY
VARIATIONS IN THE CLIMATE
SEVENTEENTH-CENTURY EUROPEAN ECONOMIC GROWTH
附录
1 托福基础词汇表
2 词汇学习计划范例