题目： Living-History Museums in the United States       The living-history approach to teaching social history combines restored or re-created historical ...

TF阅读真题第854篇Why Did Social stratification Emerge

Life on Mars Astronomers strongly suspect that Mars currently has no liquid water, diminishing the chances for life there now. But running water and a denser atmosphere in the pas...

TF阅读真题第799篇Surviving as a Conifer

  题目： French Gothic Cathedrals Gothic-style cathedrals, known for their impressive height. pointed arches, and intricate line patterns, are among the most elaborate s...

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

TF阅读真题第843篇The Sistine Ceiling

Building Materials in the Nineteenth Century       For most of the nineteenth century, European architects built in historical revival styles (styles that imitate ...

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