公共英语五级

单选题第(67)题

参考答案:A进入在线模考
A  【解析】由上段的最后一句话“took over the hard physical tasks and relieved the strain on human and animal muscles.”可知答案为A,后面选项中的“the labor that required the human eyes,ears,Judgment and mind but no sweating”与之呼应,故应选A。