皮托管装置是用来测量流道中液体的（）。
A、压力；
B、阻力；
C、流速；
D、温度。
参考答案：C
The camera you mentioned is of high quality, but it is _______ expensive a camera _______ I can’t afford.
A．so, that
B．so, as
C．too, that
D．too, as
晋文公称霸的标志事件是哪个事件？
