大学英语四第一单元课后3,5,7答案及翻译

第一单元
三
1.As the gender barriers crumbled, the number of women working as lawyers, doctors, or bankers began to increase significantly form the mid-20th century.
随着性别障碍的瓦解,从 20 世纪中期开始,从事律师、医生或银行家工作的女性数量开始显著增加。
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.
通过每年收集的数据,店主可以了解顾客的趋势,以及天气和经济指标对销售业绩的影响。
3.His supervisor pushes and motivates him in such a positive manner that he is not only able to reach but to surpass his personal goals.
他的上司以一种积极的方式推动和激励他,使他不仅能够达到,而且能够超越自己的目标。
4.He is a man with a(n) shrewd business sense. He has built his initial investment into a substantial and even excessively large fortune.
他是个精明的生意人。 他把最初的投资变成了一笔可观的、 甚至是巨额的财富。
5.The conversion of nuclear radiation directly into electricity was an exciting possibility that was being vigorously explored in many laboratories in the 1950s.
将核辐射直接转化为电能是20世纪50年代许多实验室正在积极探索的一种令人兴奋的可能性。