液压马达是把液体的压力能转化为旋转运动的(),驱动工作机构转动。
参考答案:机械能
一元二次方程3x(x﹣2)=2(x+1)﹣2的一般形式是 _________ .
Of these two basketball teams, the former come from the USA;the___come from England.
A.late
B.later
C.latter
D.lately