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【单选题】
下面关于 TCP/IP 的叙述中 , 是错误的。A.
TCP/IP 成功地解决了不同网络之间难以互连的问题
B.
TCP/IP 簇分为 4 个层次 : 主机一网络层、互连层、传输层、应用层
C.
IP 的基本任务是通过互连网络传输报文分组
D.
Internet 中的主机标识是 IP 地址
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【简答题】A.They look true blue underwater. B.They look blue on the suce. C.They have blue underbellies. D.They have blue microorganisms.
【简答题】Daniel has many friends. They look different and they have different personalities, but they are all friendly and helpful. He’d like to introduce some of them to us. Name Age Appearance and hobbies ...
【单选题】—Why do they look so disappointed? —They look disappointed ______ they can't go to see Love Me Once More, Mom. [ ]
A.
so
B.
but
C.
because
D.
because of
【单选题】A ) They appear vigorous . B ) They appear strange . C ) They look charming . D ) They look unhealthy .
A.
They appear vigorous .
B.
They appear strange .
C.
They look charming .
D.
They look unhealthy .
【简答题】A．They look like people raising pigs. B．They look down upon cleaners. C．They never do their work carefully. D．They always make a mess in their offices.
【简答题】连词成句。 1. is He baseball player a 2. look They young 3. They are farmers 4. is this man Who
【单选题】There is no difference. That means______ . [ ]
A.
they are the same
B.
they look different
C.
they look the same
D.
it’s different
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