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TF阅读真题第764篇The Chemical Defenses of Trees
Woody plants produce a great variety of chemical compounds to provide protection against other plants, diseases, and herbivores (plant-eating animals) big and small. These chemical...
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894篇Jazz
Jazz Jazz music, an art form original to the United States, originated in the southern city of New Orleans at the turn of the twentieth century. It combined the elements of ...
TF阅读真题第929篇Where Did the Carbon Go?
Where Did the Carbon Go? Over the last several hundred thousand years, atmospheric carbon dioxide (CO2) levels decreased when Earth's glacial ice sheets were ...
TF阅读真题第960篇The Global Industrial Revolution
The Global Industrial Revolution 题目： In fewer than a hundred years, the global process of industrialization utterly transformed Great Britain, most of continenta...
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...
