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tookoffvehiclesgotfastera
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imalswereagoodmea
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gvehicles【要点综述】本文介绍轮子的演进历史。64．C细节理解题。第二段最后一句说明wheels长期未能流行的缘由：动物长期以来充当交通工具。65．D推理判断题。短文最后一段说明路况的改良促进了车轮业的巨大发展。66．C篇章结构题。该段看似举例，但这些例子均是按时间由远及近而叙述的。67．B主旨大意题。该文主要介绍wheels由一般的发明物到广泛运用于交通的历史演进过程。
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