填空题 With tools made of 1, the Mayans were able to build high temples and made various works of art.
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【正确答案】 1、wood or stone    
【答案解析】在Mayas’ Impressive Accomplishments这部分提到"The Mayas had none of these things(指上文的“金属工具和车辆等”)．Their only tools were made of wood or stone．Yet．．．”