【简答题】A New Way of Working As a global pharmaceutical company, Pfizer is continually looking for ways to help employees be more efficient and effective. The average Pfizer employee was spending 20 percent ...
【判断题】Forecasted by scientists, petroleum will dry up in 40 years, natural gas will be used up within 60 years, even coal would only supply for another 220 years. Hence, in order to solve the problem of ina...