题目内容

投资者的退出机制有（）。

A. MBO（管理层收购）
B. 企业出售
C. 兼并
D. IPO（首次公开幕股）

查看答案

搜索结果不匹配？点我反馈

更多问题

运输综合成本是指决定提供某种特定的运输、配送服务所发生的费用。

A. 对
B. 错

位于染色体着丝粒区的染色质是（）

A. 核膜
B. 核孔复合体
C. 核仁
D. 异染色质
E. 常染色质

Being unhappy is like an infectious disease. It causes people to shrink away from the sufferer. He soon finds himself alone and miserable. There is, however, a cure so simple as to seem, at first glance, ridiculous: if you don’t feel happy, pretend to be! It works. Before long you will find that instead of pushing people away, you attract them. You discover how deeply rewarding it is to be the center of wider and wider circles of good will.Then the make-believe becomes a reality. Being happy, once it is realized as a duty and established as a habit, opens doors into unimaginable gardens filled with grateful friends.

为了避免网卡间的地址冲突，每块网卡都必须给定一个全球惟一的地址，称为网卡的物理地址(或称MAC地址)。以太网卡的MAC地址是一个【20】位的二进制数。