罗马帝国建立的重要标志是[ ]
A．罗马战胜迦太基
B．恺撒夺取统治权
C．屋大维建立元首制
D．“罗马和平”的出现．
答案：C
妈妈花了 846元买了一件打七五折的羊毛大衣，这件羊毛大衣原价多少元？（列方程解）
As a child, Jack studied in a village school，——is named after his grandfather．
A which B where C what D.that
