EEGU分类:五一劳动 文档格式:word文档 授权方式:电脑版免费下载 全文字数:2704字 下载次数:61 上传时间:2019/12/24 6:53:04 |
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labor day, the first monday in september, is a creation of the labor movement and is dedicated to the social and economic achievements of american workers. it constitutes a year...