Archaeological Evidence for Social Complexity   题目：     Ancient human groups that used advanced technology and divided labor into highly specialized roles are c...

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817篇The Runaway Greenhouse Effect on Venus

TF阅读真题第828篇The Growth of Industry in the United States

  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801篇Spectroscopy and the Substance of Stars

  Agricultural Practices of the Maya   题目：     The Maya civilization flourished for centuries on the Yucatan Peninsula and other areas of Mesoamerica, reac...

TF阅读真题第804篇Changes in United States Cinema

WS 032C2

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