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TF阅读真题第705篇Freehold Society in Colonial New England
TF阅读真题第705篇Freehold Society in Colonial New England
TF阅读真题第738篇Sauropods and Conifers
The sauropod dinosaurs were gigantic, long-necked herbivores (plant eaters) that flourished during the Jurassic period (201-145 million years ago). At the same time that the saurop...
TF阅读真题第748篇The Origin of the K-T Asteroid
It is now generally accepted that dinosaurs (and large numbers of other animals and plants) went extinct about 65 million years ago, when Earth was hit by a giant asteroid (a rocky...
TF阅读真题第706篇A Revolution in Consumption in the Eighteenth Century
TF阅读真题第706篇A Revolution in Consumption in the Eighteenth Century
TF阅读真题第698篇European Cities and the Rise of Commerce
TF阅读真题第698篇European Cities and the Rise of Commerce
