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【单选题】
下列叙述中不属于计算机网络特征的是()。A.
计算机设备间需要用通信设备和传输介质互联
B.
计算机设备间使用统一的规则即“网络协议”来交换信息
C.
以实现资源共享和数据通信为主要目的
D.
以改变人们的思想观念、工作模式和生活模式为方向
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皮皮学刷刷变学霸
举一反三
【单选题】—Have you that Amy’s a little quiet these days? —Yes, I wonder what has happened to her．
A.
looked
B.
reminded
C.
noticed
D.
Revised
【单选题】--Why do you like living here？ -- Because it’s quite quiet. There are cars on the street.
A.
a lot of
B.
a few
C.
few
D.
little
【简答题】You are enjoying the beautiful scenery in a quiet place, but suddenly the peace and quiet is interrupted（打断）by the noisy sound of a cellphone(手机)! Cellphones are everywhere, and some people don’t know...
【单选题】—You see, there are a lot of cars and people on the street. —Yes, it's very _____. [ ]
A.
quiet
B.
long
C.
busy
D.
free
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