信号回路的信号灯、光字牌、电铃、电笛、事故电钟等应显示准确，工作可靠。
参考答案：对
某写字楼项目的预期投资收益是3000万元，实际收益为3200万元，则超出的200万元为( )。
A．投资增益
B．风险报酬
C．投资报酬
D．风险溢价
I am __________ being treated as a child since I have been over 18.
A．tried with
B．sick of
C．tired of
D．both B and C
