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TF阅读真题第901篇Human Responsibility for Megafaunal Extinctions
Human Responsibility for Megafaunal Extinctions Paleontologists are intrigued by the question of what caused a diverse group of large animals (megafauna) to become e...
TF阅读真题第900篇Sources of Prosperity during China’s Song Dynasty
Sources of Prosperity during China's Song Dynasty In the tenth century. after a period of political fragmentation, China began to enjoy a peaceful and prosperous per...
TF阅读真题第820篇The Greek City-States_ Sparta and Athens
TF阅读真题第820篇The Greek City-States_ Sparta and Athens
TF阅读真题第906篇Early Domestication and Agriculture
复时间 2022-06-07 2025-04-12 Early Domestication and Agriculture To some extent, the causes of agriculture are to be found in the thousands of years of hunting-ga...
TF阅读真题第904篇The Nile River Valley
The Nile River Valley Though the verdant green course of the Nile Valley appears to be the very antithesis of the bleached Saharan sands through which it flows, these two contras...
TF阅读真题第905篇Adaptations of Marine Mammals
复时间 2022-09-28 2023-12-13 2024-04-13 2025-04-12 Adaptations of Marine Mammals Warm-blooded marine mammals and birds require some special adaptations to permit t...
