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【多选题】
有关域名系统的论述正确的有A.
在Ipv6中，IP地址是用四个字节的数字来表示因特网上主机的地址
B.
IP地址由网络标识和主机标识两部分组成
C.
IP 地址中A类网络的权限级别比B类网络高
D.
把域名翻译成IP地址的软件称为DNS
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举一反三
【简答题】微型计算机的发展以_____________________技术为指标。
【单选题】To be a good teacher, you need some of the gifts of a good actor: you must be able to hold the attention and interest of your audience; you must be a clever speaker, with a good, strong, pleasing voic...
A.
How to become an ordinary teacher.
B.
What a good teacher should do.
C.
What teachers and actors could learn from each other.
D.
The similarities and differences between a teacher's work and an actor's.
【单选题】-- A good book is a good friend. You can get the help you need from it. ----- You said it. ___________.
A.
I agree
B.
All right
C.
I disagree
D.
That’s a good idea
【单选题】—You are a good boy! —_____. [ ]
A.
No, I'm not good.
B.
Yes, I'm a good boy.
C.
Thank you.
D.
You are good, too.
【简答题】( )是信息组织和信息检索的基础。
【单选题】You go to bed and you can say “___________” to your parents.
A.
Good morning
B.
Good afternoon
C.
Good evening
D.
Good night
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