【单选题】【消耗次数：1】
下列（ ）协议属于应用层协议。
①
IP，TCP和 UDP
②
FTP，SMTP和Telnet
③
ARP，IP和UDP
④
ICMP，RARP和ARP
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相关题目
【单选题】
在利用浏览器浏览网站时，通常在TCP /IP模型的应用层、传输层和网络层使用的协议是（ ）。
①
FTP、TCP和IP
②
HTTP、UDP和IP
③
HTTP、TCP和IP
④
HTTP、TCP和ICP
随机题目
【单选题】
He looked around and caught a man________his hand into the pocket of a passenger.
①
put
②
to be putting
③
to put
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putting
【单选题】
In January,2004,the United States successfully launched Spirit,a Mars Exploration Rover(火星控测飞行器),________a new milestone(里程碑) in the history of mankind.
①
it marked
②
marking
③
marked
④
to mark
【单选题】
-Johnson has promised us that he will help ?us out to his best ability.
-I don’t buy it. In my opinion, ?he _______ so kind.
①
has been
②
is
③
was
④
is being
【单选题】
Mrs.Blackhasgot_______insteadofgettingany better.
①
morebad
②
alittleworse
③
muchbadly
④
alotofworse
【单选题】
I________go to bed until I________finished my work last night.
①
dont;had
②
didnt;have
③
didnt;had
④
dont;have
【单选题】
No sooner________he arrived home than he________to start on another journey.
①
has;was asked
②
have;were asked
③
had;is asked
④
had;was asked
【单选题】
He was prepared to make the ultimate sacrifice, displaying ?bravery that was second to _________.
①
none
②
neither
③
anything
④
nothing
【单选题】
Did you get a dictionary?No. I________,but there were not any________.
①
tried;to be left;
②
had tried to;leaving
③
tried to;left
④
had tried;have left