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【单选题】
按拓扑类型对计算机网络分类,下列哪的( ).A.
环型网
B.
总线网
C.
星型网
D.
广播网
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】试分析“目前，史密斯和查瑞特的这项研究测算出海洋的平均深度是3682.2米——比曾经测算出的少21至51米。”一句中，加点词“平均”在文中的作用。
【单选题】The first thing the visitor says to Mr Lessing is _________.
A.
Are you Mr Lessing
B.
You must be Mr Lessing
C.
Who are you?
【单选题】The first thing the visitor says to Mr. Lessing is _____.
A.
Are you Mr. Lessing?
B.
You must be MR. Lessing.
C.
Who are you?
【单选题】The first thing the visitor says to Mr. Lessing is ... P11_1_mp4.mp4
A.
Are you Mr. Lessing?
B.
You must be Mr. Lessing.
C.
Who are you?
【单选题】Who says these things? Write A (Anna) or S (Stella) or L (Mr Lessing). I think that the new employee should be a woman.
A.
Anna
B.
Stella
C.
Mr Lessing
【单选题】The first thing the visitor says to Mr Lessing is ...
A.
Are you Mr Lessing?
B.
You must be Mr Lessing
C.
Who are you?
D.
Who is that?
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