Great ________ should be made to speed up higher education to meet the needs of industry and agriculture.

A．measures

B．goals

C．efforts

D．effects

消防车水泵出口压力可按HB=h+hd+H1-2估算进行，hd表示()压力损失。

（A）水枪 

（B）水带 

（C）水炮 

（D）水泵