中国民航C波段卫星通信网使用的通信卫星是（）
A、亚太1号
B、亚太2号
C、亚太3号
D、鑫诺1号
参考答案：D
If a firm uses the weighted average cost of capital (WACC) to discount cash flows of higher than average risk projects, which one of the following will most likely occur（）
A. Project NPVs will be understated.
B. The overall risk of the firm’ s investments will rise over time.
C. The WACC of the firm should fall over time.
一幢建筑物一般由( )等几大部分组成。
A．基础、墙体、楼层、楼梯、屋顶、门窗
B．墙体、楼地层、楼梯、屋顶、门窗
C．基础、墙体、楼地层、楼梯、屋顶、门窗
D．基础、楼地层、墙体、屋顶、门窗
