水平架棚巷道，其支架前倾后仰不超过（）为优良品。
A、±0.5°
B、±1°
C、±1.5°
D、±2°
参考答案：B
There was never any time for Kate to feel lonely,________she was an only child. [ ]
A．ever since
B．now that
C．even though
D．even as
下列不属于房地产金融特点的是( )。
A．集中性
B．资金周转期短
C．资金运动同定性
D．资金增值性
