系统
参考答案：
是由相互作用和相互依赖的若干组成部分结合的具有特定功能的有机整体。
An analyst does research about pension plan. A company regularly contributes the agreed-upon amount to its defined contribution pension plan in each reporting period. The contribution most likely affects its balance sheet as a decrease in:（）
A. cash flow only.
B. the funded status only.
C. both cash flow and the funded status.
我国的有线数字电视广播系统一般采用（）调制方式。
