【判断题】Markets may fail to allocate resources efficiently when property rights are not well established
【判断题】Unless markets are perfectly competitive, they may fail to maximize the total benefits to buyers and sellers.
【单选题】Which of the following is true with respect to the dynamics of global population trends?
A.
The demand for goods worldwide may have no effect on migration patterns.
B.
Changes in the distribution of population among the world’s countries may fail to influence demand.
C.
The global financial crisis has caused migration from rural to urban areas within countries.
D.
Economic growth forecasts and assumptions about fertility rates are independent of each other.
E.
The existence of sheer numbers of people is significant in appraising potential consumer markets.
【单选题】矛盾具有两个基本属性,一个是斗争性,另一个是 ( )
【多选题】下列关于 spanning-tree portfast 命令的说法中哪两项正确?(选择两项。)
A.
PortFast 是 Cisco 的专有技术。
B.
PortFast 会对 DHCP 服务造成负面影响。
C.
PortFast 用于更加快速地阻止和消除桥接环路。
D.
在连接到其它交换机的中继链路上启用 PortFast 可提升收敛速度。
E.
如果接入端口配置了 PortFast,它会立即从阻塞状态转换到转发状态
【多选题】下列关于 spanning-tree portfast 命令的说法中哪两项正确?
A.
PortFast 是 Cisco 的专有技术。
B.
PortFast 会对 DHCP 服务造成负面影响。
C.
如果接入端口配置了 PortFast,它会立即从阻塞状态转换到转发状态。
D.
PortFast 用于更加快速地阻止和消除桥接环路。
E.
在连接到其它交换机的中继链路上启用 PortFast 可提升收敛速度。
【判断题】Most goods in our economy are allocated in markets, where buyers pay for what they receive and sellers are paid for what they provide. However, markets may fail to allocate resources efficiently when ...
【单选题】矛盾有两个基本属性,一个是同一性,另一个是()
【简答题】心理学家马斯洛认为,人的需要答题可分为五个层次,分别为生理需要、____________、 归属和爱的需要、_______________、_____________________。