数控机床由输入输出装置、数控装置、驱动装置和辅助装置组成。（）

单项选择题When Honda, a Japanese auto maker, built a factory in Ohio,A.it was engaged in foreign direct investment.B.it was engaged in portfolio investment.C.it was engaged in a cross-border acquisition.D.none of the above.

单项选择题船舶生产设计阶段，作为机装设计人员，下列哪一项属于他的工作范畴内的设计对象？ A、锚铰机基座设计 B、起货机基座设计 C、发电机组基座设计 D、上层建筑安装设计