收益法一般可以用于（）的价值评估。 单台设备。 成套设备。 通用设备。 生产线。
As DBA for the Rebel Alliance you have decided that you need to facilitate some redundancy in your database. Using ASM， you want to create a disk group that will provide for the greatest amount of redundancy for your ASM data （you do not have advanced SAN mirroring technology available to you， unfortunately）. Which of the following commands would create a disk group that would offer the maximum in data redundancy？（） A。 B。 C。 D。 E。
PCR技术主要过程由（）三个步骤反复的循环组成。 变性。 退火。 延伸。 共聚。
Which statements are true regarding listeners（） Listeners use only the TCP/IP protocol.。 Multiple listener processes can run simultaneously on a host.。 Multiple database instances can be registered with a single listener.。 The listener-related errors can be traced only at the administrative level.。 Only one database instance can be registered with a single listener at any time。
学前儿童词汇的发展有什么特点？
中间水箱液位持续20秒低于（）报警
