【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
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【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]。
【单选题】
下列关于域名的说法正确的选项是( )
①
域名可以随便取,只要不和其他主机同名即可
②
一个域名只能对应一个IP地址
③
没有域名主机不可能上网
④
一个P地址只能对应一个域名
随机题目
【单选题】
Not __________, with youth unemployment so high, some school – leavers with qualifications fail to find jobs.
①
obviously
②
surprisingly
③
particularly
④
normally
【单选题】
I’ll send you a short message as soon as I _______ in Hong Kong.
①
arrived
②
will arrive
③
am going to arrive
④
arrive
【单选题】
Good morning, Dr Johnson’s office. Can I help you?
①
Speaking, please
②
I’d like to make an appointment, please
③
Yes, go on
④
No, you can’t
【单选题】
The population of many Alaskan cities has __________ doubled in the past three years.
①
larger than
②
as great as
③
more than
④
as many as
【单选题】
The match was cancelled because most of the members __________ a match without a standard court.
①
objected to having
②
objected to have
③
were objected to have
④
were objected to having
【单选题】
- Shall we sit up here on the grass or down there near the water?
①
I’d rather stay here if you don’t mind
②
Sorry, I don’t like neither
③
Certainly, why not?
④
Yes, we like these two places
【单选题】
He said he would continue a support us _____ we didn’t break the rules.
①
as well as
②
as soon as
③
as far as
④
as long as
【单选题】
Can I have a look at your passport?
①
It is here
②
Here is it
③
Here you are
④
No, you can’t
【单选题】
Her sun – tanned face suggested that she __________ in excellent health.
①
be
②
is
③
was
④
were
【单选题】
Yesterday was my birthday. My mother .
①
made a cake to me
②
made a cake me
③
made for me a cake
④
made me a cake