干扰非水滴定的是
A．糖类赋型剂B．辅料氯化钠C．赋型剂硬脂酸镁D．辅料枸橼酸E．溶剂油
参考答案：C
液压支架的操纵阀按控制方法不同，分为（）、（）、（）和电液控等。
10．____by the beauty of the piano music, the audience almost forgot to applaud when the pianist finally finished it.
A．Having attracted
B．Attracted
C．To be attracted
D．Be attracted
