内部报酬率（IRR）是可预见的合理的现金净流量额贴现为初始现金流出所依据的比率。
参考答案：对
EP2002制动系统也是由动力制动系统、（）及指令与通信网络系统组成.
The murderer ________ only days after the young man was found ________.
A．caught; died
B．was caught; died
C．caught; dead
D．was caught; dead
