题目

在我国56个民族中，人口数量最多的是： A．汉族                   B．壮族                     C．维吾尔族              D．蒙古族 答案：A 29．It is required in a recent study suggesting the importance of teenagers’ communication with other children of the same age. A．interfere B．interferes C．can interfere D．is to interfere