单项选择题
What is the author's attitude towards the U. S. Bureau of Labor Statistics（）
A．Critical B．Supportive C．Negative D．Encouraging
单项选择题 What jobs have typically been held by women（）
单项选择题 In the opinion of the writer, why do women still earn less money than men（）
单项选择题 which of the following is true according to the passage（）
