建设中原经济区区域性中心强市的根本目的，是（）
A.走在全省前列
B.富民强市
C.提升实力
参考答案：B
魏晋南北朝时期曾经统一黄河流域的少数民族有
①匈奴 ②鲜卑 ③羯 ④氐 ⑤羌
A．①②
B．②③
C．②④
D．②⑤
It was said that they _____ for twenty-five years.
A．had got married
B．had married
C．married
D．had been married
