油量调节机构固定在标定功率循环供油量位置时，发动机的有效功率、有效扭矩以及燃料消耗率随发机动转速变化的关系称为柴油发动机的（）。 ["外特性","内特性","速度特性","负荷特性"]
When using Cisco Network Assistant to configure a WS-CE500-24LC switch， which three are available choices in the port settings window？（） ["Duplex mode selections","Auto MDIX selections","Status Selections","Group mode selections","Port security selectio"]
初级生产
What advantage does integrated messaging have over standard voice-mail systems?（） [" provides text versions of your voice-mail messages"," forwards voice-mail messages to your email at .wav files"," provides a toolbar to see the status of coworkers"," eliminates the need for a live operator to answer the phone"]
重大错报风险分为财务报表层次的重大错报风险和认定层次的重大错报风险。认定层次的重大错报风险由（）组成。 ["固定风险和控制风险","固定风险和财务风险","控制风险和财务风险","经营风险和控制风险"]
官渡之战
