皮皮学，免费搜题
登录
搜题
【单选题】
一种标记核酸与另一种核酸单链进行配对形成核酸分子的双链,这一过程称A.
变性
B.
复性
C.
杂交
D.
探针
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】下列各项中，应征收印花税的有（ ）。
【多选题】下列说法正确的有()。
A.
PC机的主存储器包含大量的存储单元，每个存储单元都可以存放8个Byte。
B.
当前比较流行的内存条是双列直插式内存条，简称“SIMM内存条”。
C.
PC机中，在I/O控制器接受CPU的命令后，由其负责对I/O设备进行全程控制，不再需要CPU过问和干预。
D.
PC 机中使用的IEEE1394B（ i.Link/ FireWire)接口，比USB(2.0)传输速度更快。
【单选题】IEEE-1394接口(简称 1394,又称i.Link 或FireWire)是一种相对比较新的I/O接口,下面关于1394接口的描述错误的是( )。
A.
IEEE1394是一种双向、串行传输的I/O接口
B.
IEEE1394采用4线连接器
C.
IEEE1394采用差分信号形式传输时钟及数据
D.
IEEE1394采用级联方式连接外部设备，一个接口可以连接多个外设
【简答题】After watching the video, you have to decide whether the following statements are True of False. (T/F in the blanks) 1.Robin Hood is an organization run by the government 2. The fire broke out in the ...
【简答题】A. He needs to go to the bathroom. B. Someone is calling him. C. He needs to make a call. D. Something is wrong with his bag 2. A. The woman did not invite Mary to the dinner party. B. The man thought...
【单选题】下列关于Win32驱动程序模型(Win32 Driver Model，简称WDM)的描述，错误的是( )
A.
在Windows98中，USB、IEEE 1394以及高级配置和电源接口采用了WDM驱动程序
B.
WDM模型把驱动程序按层进行了划分，层与层之间独立
C.
它旨在通过提供一种灵活的方式来简化驱动程序的开发并降低具复杂性
D.
对Windows 9x、Windows NT和Windows XP等操作系统采用不同的接口标准
【简答题】The writer thought that the likelihood of him getting the job was not great though he was young and eager to do something useful. 2. The head liked the young man at first sight. 3. The headmaste...
【简答题】Judge whether the following statements are True (T) or False (F) by reading text. 1. The writer thought that the likelihood of him getting the job was not great though he was young and eager to do som...
【简答题】True (T) or False (F)? 1. The writer thought that the likelihood of him getting the job was not great though he was young and eager to do something useful. 2. The head liked the young man at fir...
【简答题】The key component of a firm supply chain: purchasing managers, buyers, and purchasing_______________. 2. What they buy: the goods and services that the company or needs. 3. Purchasing professional...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
