系统处理阶段的核心技术包括( )。
A．人机交互技术 B．决策确定技术C．数据通信技术 D．文件管理技术
参考答案：C
– Which movies do you prefer, comedies or action movies?
– I watch action movies see comedies.
A. would rather; than
B. like; better
C. prefer; to
转导
