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【单选题】
以下关于信息、数据、与信号的描述中,错误的是A.
信息的载体可以是文字、语音、图形或图像,以及他们的组合
B.
ASCII码是文字、语音信息变换成二进制代码的标准之一
C.
计算机网络中传输的是二进制代码的电信号
D.
ASCII码包括用于数据通信的控制字符
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反馈参考答案：
举一反三
【简答题】It’s a great sunny day，so it’s time to get out and enjoy the weather.Many of us would like to，but we have projects due，tasks that need to be done，people that we need to see，and money that needs to be ...
【单选题】—It’s a great pleasure to have a talk with you. —_______
A.
Thank you. It’s very good of you to say so.
B.
you are welcome.
C.
See you.
D.
It can’t be true.
【单选题】----I’m looking forward____taking a holiday in Hainan. ----So am I. It’s great to be____holiday there.
A.
for, on
B.
to, at
C.
to, on
D.
for, at
【简答题】It’s great fun to explore new places—it feels like an adventure，even when you know you’re not the first to have been there. But make sure not to get lost or waste time going round in circles. ● Do the...
【简答题】______就是对零部件几何体的集合进行管理,指定部件之间的相对限制条件,而不是生成几何体。
【简答题】It’s great fun to explore new places—it feels like an adventure, even when you know you’re not the first to have been there. But make sure not to get lost or waste time going round in circles. ·Do the...
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