During the Colonial days, the Iroquois had an agricultural economy basing mainly

游客2024-12-15 23

问题 During the Colonial days, the Iroquois had an agricultural economy basing mainly on corn with supplementary crops of pumpkins, beans, and tobacco.

选项

答案 basing--based

解析译文：殖民时期易洛魁族人的农业经济以玉米为主，南瓜、大豆和烟草为辅。
分析：考查过去分词。分词短语作定语修饰economy，其作用相当于从句that is based mainly on…，故应用过去分词based而不用basing。

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