A. 运用计算机技术,进行大量数据的处理和多变量解析统计方法的开发,以及城市内部小地区统计资料的整理 B. 通过实地考察,获取城市内部小地区的统计资料 C. 运用计算机技术,进行数据分类和编码 D. 运用计算机技术,进行数据储存
A. Before they arrive. B. While they register. C. When they reserve a room. D. Just before their departure.
A. 正确 B. 错误
A. do not present a violent onscreen world B. no longer keep gamers from growing up C. are no longer exclusive to young people D. are not as popular with teenagers as before