Stanford opened its doors in 1891 and more than a century later, it remains _____finding solutions to the great challenges of the day and to _______ its students for leadership in today’s complex world.

A．devoted, prepare

B．dedicated to, preparing

C．dedicating, prepare

D．devoting to, preparing

下列哪一项不属于机械动力叉车______。

A．平衡重力式叉车
B．前移式叉车
C．电动托盘叉车
D．手动液压堆高车