题目

    A controversial new study has claimed that men really are more intelligent than women．The study concluded that men’s IQs are almost four points higher than women’s.    British-born researcher John Philippe Ruston says the finding could explain why so few women make it to the top in the workplace.    He claims the “glass ceiling” phenomenon is probably due to inferior intelligence，rather than lack of opportunity.    The University of Western Ontario psychologist reached his conclusion after scrutinizing the results of university ability tests taken by 1 00,000 studen编写程序，输出两个不相等的实数a、b的最大值.