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判断题

无线信道适合传输低的频率分量或直流分量的信号。
A、正确
B、错误

【参考答案】

错误

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相关考题

单项选择题
According to the fable The Big and Useless Chu Tree, which of the following statements is wrong?
A、The branches of the chu tree were twisted.
B、The trunk of the chu tree was very irregular and knotty.
C、A carpenter found that the chu tree was very useful.
D、The chu tree was not chopped down because it isn't fit for the furniture.
不定项选择
等高栽植是山地果园常用的果树栽植方式。
A．正确
B．错误
多项选择题
用单引号括起来的常量有（）
A、字符串常量
B、数值型常量
C、日期时间型常量
D、布尔值
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