A-A+
Radio signals are waves that are used to _____
问题详情
Radio signals are waves that are used to ______ music or speech.
A．transfer
B．transmit
C．transport
D．transform请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：transfer“转移”；transmit“传送”：transport“运输”：transform“转变”。
