/本材料为新视野大学英语4 Unit1-Unit5 Section A课后练习根据老师的出题范围有所删减Unit 1 1. As the gender barriers (crumbled) , the number of women working as lawyers, doctors, or bankers began to increase significantly from the mid-20th century. 2. With the data collected each year, the owner of the shop can (discern) customer trends and how things like weather and economic indicators affect sales performance. 3. His supervisor pushes and motivates him in such a positive manner that he is not only a
