【单选题】【消耗次数：1】
下面关于域名的说法正确的是( )
①
域名专指一个服务器的名字
②
域名就是网址
③
域名可以自己任意取
④
域名系统按地理域或机构域分层采用层次结构
参考答案：
复制
纠错
➡️如需代学继续教育，联系微信：yizhituziang
相关题目
【多选题】
有关域名系统的论述正确的有：（ ）。
①
IP地址是用四个字节的数字来表示因特网上主机的地址
②
IP地址由网络标识和主机标识两部分组成
③
IP地址中A类级别比B类高
④
把域名翻译成IP地址的软件为DNS
【简答题】
域名系统中，域名越靠后的表示范围越[填空1]。
随机题目
【单选题】
The government official explained that there’s no point ___________ about the cultural gap in that city.
①
to worry
②
with them worrying
③
in worrying
④
worry
【单选题】
_________ such a good chance he planned to learn more.
①
giving
②
Having given
③
Having been given
④
To be given
【单选题】
The room has no furniture -----a broken chair.
①
beside
②
except for
③
expect
④
except that
【单选题】
Hello, may I talk to the headmaster now?
①
Sorry, he is busy at the moment
②
No, you can’t
③
Sorry, you can’t
④
I don’t know
【单选题】
Can you turn down the radio, please?
①
Oh, I know
②
I’m sorry, I didn’t realize it was that loud
③
I’ll keep it down next time
④
Please forgive me
【单选题】
A suitcase with shirt, trousers and shoes __________ stolen from the car.
①
have been
②
has
③
was
④
are
【单选题】
I want go to New York. What’s the fare?
①
Pardon me?
②
I’m sorry
③
Yes, I don’t understand
④
I’m not understanding
【单选题】
If you need more information, please contact us __________ telephone or email.
①
in
②
by
③
on
④
for
【单选题】
I’d like to book a flight to Shanghai, please.
①
No, of course not
②
Do you mind if I said no?
③
Yes, sir, single or return?
④
You can’t. We are busy