单项选择题One of the more aggressive selling methods in the soap trade by the leading companies was to
单项选择题At the end of the passage the author seems to imply that as a result of shorter working time
单项选择题Rachel Trickett seems to indicate the term lady
单项选择题The researchers find that there are stronger connections between
单项选择题According to the passage, the main difference between a homogeneous society and a heterogeneous one lies in