In ancient Rome, most people______.
A. lived in crowded tall buildings
B. lived in beautiful buildings
C. lived outside the city
D. led a life of wealth and comfort
第一种被证券化的贷款，是1970年代出现的消费者信用卡贷款，他被转化成过手证券的形式。()
A. 正确
B. 错误
中间商对新产品的采购必须经历购买决策过程的各阶段的购买行为类型是_______。
A. 直接重购
B. 修正重购
C. 续购
D. 新购
【B14】
A. studying
B. study
C. studied
D. studies
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