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【单选题】
下面的协议中，(49)不属于TCP/IP协议层次结构中的应用层协议。A.
SMTP
B.
FTP
C.
NSP
D.
ICMP
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举一反三
【单选题】–Hi, Danny! I can’t find my dictionary. Have you seen it __________? –Sorry, I haven’t. Why not ask Kitty? Perhaps she’s seen it.
A.
where
B.
everywhere
C.
anywhere
D.
nowhere
【单选题】--Hi, haven’t seen you for ages. Are you doing fine in your job? --Yeah, I guess. ______. --Couldn’t be better.
A.
Anything wrong?
B.
And you?
C.
Thanks a lot.
D.
Absolutely.
【单选题】Hi, Jim. _________ seen you for ages. I really _______ see you here.
A.
Haven’t, don’t expect
B.
Haven’t, didn’t expect
C.
Hadn’t, hadn’t expected
D.
Hadn’t, wasn’t expected
【单选题】–Hi, Bruce! I haven’t seen you for such a long time. It _______ that you’ve changed a lot. –Yes, time flies!
A.
says
B.
looks
C.
seems
D.
makes
【单选题】'Hi, haven’t seen you for ages! You look fine!' '__________. You look well, too.'
A.
Great
B.
Thanks
C.
Oh, no
D.
Not at all
【简答题】在Internet中,搜索引擎其实也是一个( )。A. A. 网站 B. C.操作系统 C. B. 域名服务器 D. D.硬件设备
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