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【单选题】
通常把计算机网络定义为:( )A.
以共享资源为目标的计算机系统，称为计算机网络
B.
把分布在不同地点的多台计算机互联起来构成的计算机系统，称为计算机网络
C.
能按网络协议实现通信的计算机系统，称为计算机网络
D.
把分布在不同地点的多台计算机在物理上实现互联，按照网络协议实现相互间的通信，
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举一反三
【简答题】a. Eleanor and Ben are not going skiing with us this year because Eleanor just had a baby. b. But, Eleanor and Ben (go) _____ skiing with us this year if Eleanor (have, not, just) _____ a baby.
【简答题】经纬仪上有几对制动、微动螺旋?各起什么作用?
【单选题】What is the relationship between Edgar and Eleanor?
A.
They are brother and sister.
B.
They are friends.
C.
They are neighbors.
D.
They are colleagues.
【单选题】Eleanor was originally the Duke of ______.
A.
Normandy
B.
Anjou
C.
England
D.
Aquitaine
【单选题】听力原文：Hello, I would like to leave a message to my friend Eleanor. Eleanor, this is Edgar. I heard that the sales division in our company has a vacancy starting on April 3rd. I know you major in sales ...
A.
He has business matters to talk with her.
B.
He needs her marketing expertise to solve some problems.
C.
He wants to ask her out.
D.
He tells her an opening in his company.
【单选题】下列集合不能表示偶数集的是 ( )
A.
{ x|x ＝ 2k ， k ∈ Z }
B.
{ 偶数 }
C.
{ … ， － 4 ， － 2 ， 0 ， 2 ， 4 ， … }
D.
{ x | x ＝ 2 n ， n ∈ N }
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