Computer hardware engineers research, design, develop, and test computer hardware and supervise its manufacture and (72) . Hardware refers to computer (73) , circuit boards, computer systems, and related equipment such as keyboards, modems, and printers.

A．fixing

B．building

C．setting

D．installation

补贴一般不包括（）。

A.为保证员工工资水平不受物价上涨或变动影响而支付的各种补贴

B.加班加点工资

C.附加工资、保留工资

D.绩效工资