题目内容
（请给出正确答案）
提问人：网友lixin080108
发布时间：2022-01-07
[主观题]
According to the first paragraph, it is not easy to find good work-at-home jobs because（）
A．they are seldom advertised online or in newspapers
B．they may require that you live in a certain place
C．you are always asked to work full-time
D．you need to have a college degree
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，试画出该FIR数字滤波器的线性相位直接型结构。
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