题目内容

调频收音机的中频频率是( )

A. 455KHz
B. 10.8MHz
C. 10.7MHz
D. 465KHz

查看答案
更多问题

在无线电广播中,按其调制方式分为 、

请写出下列色环电阻的阻值及误差,绿 蓝 黄 金

I have two cell photos, ______are of great use.

A. all of which
B. either of which
C. both of that
D. both of which

The writer has published many books,______ are well appreciated by the readers.

A. none of whom
B. all of which
C. neither of who
D. one of which

答案查题题库