四川省射洪县射洪中学2012-2013学年高二第一次月考英语试题

发布时间：2023-11-04 04:07:43 来源：查看试卷点击：2258

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The natural resources, such as mine, forest, and hydropower (水电) in that area have been ________.

A.developed B.exploited C.improved D.expanded

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知识点：动词/动词短语

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