【单选题】During the early stages of the Industrial Revolution, advertising was a relatively straightforward means of announcement and communication and was used mainly to promote novelties and fringe products....
【简答题】作业:按照步骤完成以下任务 1、在Node1的/home下创建文件word,并输入以下内容: the weather is good today is good good weather is good today has good weather 2、将word上传到分布式文件系统HDFS的/input文件夹下 3、分析word文档中,各词汇出现的频率表