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【单选题】
下列关于OSPF协议的描述中,正确的是( )。
A.
在一个区域内的路由器数可达300个
B.
每一个区域OSPF拥有一个30位的区域标识符
C.
一个OSPF区域内的路由器不知道其他区域的网络拓扑
D.
当链路状态发生变化时只需向相邻的路由器发送信息
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举一反三
【判断题】The beauty of portable apps is that you can carry your software and your data on removable storage, such as a hard drive, and plug it into any computer.
A.
正确
B.
错误
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【单选题】Which of the following statement about software is NOT true?
A.
Software is abstract.
B.
Software is portable.
C.
Software wears out.
D.
Software is logical entity.
查看完整题目与答案
【单选题】对于 A、B两个词项,如果所有a都是b,并且所有b都是a,那么A、B两词项具有( )。
A.
全同关系；
B.
真包含于关系；
C.
交叉关系；
D.
全异关系。
查看完整题目与答案
【判断题】Portable software is so simple to install that it is sometimes referred to as install-free software.
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相半波可控整流电路中,如果三个晶闸管采用同一组触发装置,则α的移相范围只有90o
A.
正确
B.
错误
查看完整题目与答案
【单选题】The beauty of portable apps is that you can carry your software and your data on removable storage, such as a ____, and plug it into any computer.
A.
USB hard drive
B.
USB flash drive
C.
USB gateway
D.
USB port
查看完整题目与答案
【多选题】根据林业废弃物的统计方法,下列可用于能源用途的林木剩余物有()
A.
森林原木采伐剩余物
B.
木材加工剩余物
C.
防护林
D.
河旁的树木剪枝
查看完整题目与答案
【判断题】True/False: The advantage of portable software is that you never have to install it on your computer.
A.
正确
B.
错误
查看完整题目与答案
【单选题】With portable software, ____.
A.
programs do not exist on the hard disk
B.
no configuration data is stored on the hard disk
C.
no entries need to be made in the Windows Registry
D.
all of the above
查看完整题目与答案
【单选题】测试用愁吃愁穿
A.
去
B.
拿
C.
里
D.
吃
查看完整题目与答案
相关题目：
【判断题】The beauty of portable apps is that you can carry your software and your data on removable storage, such as a hard drive, and plug it into any computer.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following statement about software is NOT true?
A.
Software is abstract.
B.
Software is portable.
C.
Software wears out.
D.
Software is logical entity.
查看完整题目与答案
【单选题】对于 A、B两个词项,如果所有a都是b,并且所有b都是a,那么A、B两词项具有( )。
A.
全同关系；
B.
真包含于关系；
C.
交叉关系；
D.
全异关系。
查看完整题目与答案
【判断题】Portable software is so simple to install that it is sometimes referred to as install-free software.
A.
正确
B.
错误
查看完整题目与答案
【判断题】三相半波可控整流电路中,如果三个晶闸管采用同一组触发装置,则α的移相范围只有90o
A.
正确
B.
错误
查看完整题目与答案
【单选题】The beauty of portable apps is that you can carry your software and your data on removable storage, such as a ____, and plug it into any computer.
A.
USB hard drive
B.
USB flash drive
C.
USB gateway
D.
USB port
查看完整题目与答案
【多选题】根据林业废弃物的统计方法,下列可用于能源用途的林木剩余物有()
A.
森林原木采伐剩余物
B.
木材加工剩余物
C.
防护林
D.
河旁的树木剪枝
查看完整题目与答案
【判断题】True/False: The advantage of portable software is that you never have to install it on your computer.
A.
正确
B.
错误
查看完整题目与答案
【单选题】With portable software, ____.
A.
programs do not exist on the hard disk
B.
no configuration data is stored on the hard disk
C.
no entries need to be made in the Windows Registry
D.
all of the above
查看完整题目与答案
【单选题】测试用愁吃愁穿
A.
去
B.
拿
C.
里
D.
吃
查看完整题目与答案