Which of the following describe private IP addresses?（） [" addresses chosen by a company to communicate with the Internet"," addresses that cannot be routed through the public Internet"," addresses that can be routed through the public Internet"," a scheme to conserve public addresses"," addresses licensed to enterprises or ISPs by an Internet registry organizatio"]
通用变频器的优点是（）。 ["节能","实现自动化","提高产品质量","降低噪声"]
二十世纪七、八十年代后出现了一些新的资本结构理论，主要有（）。 ["MM资本结构理论","代理成本理论","啄序理论","信号传递理论"]
简述以学业成绩为标准的筛选过程。
育成杂交
洛可可风格
