题目

Social media is causing problems at work and it's not with the boss．In fact, it's other employees who are annoyed by their fellow workers' personal social media use, and it's starting to hurt productivity （ 生产率） ．According to a new survey by work force solutions provider Kelly Services, more than half of workers say social media is affecting workplace productivity in a bad way, with 57 percent believing that mixing personal and professional connections through social media is likely to cause problems． The research showed a growing number of employees feel there is nothi函数的最小正周期=____________．