because of its intimacy,radio is usually more than just a medium,it is ###,.

问题描述:

because of its intimacy,radio is usually more than just a medium,it is ###,.
有四个选项
a.firm b.company c.corporation d.enterprise

正确选〔B〕.
〔A〕firm,公司;〔B〕伴侣;〔C〕公司;〔D〕企业.
翻译:收音机(radio)不仅仅是一种传媒工具,还是一个伴侣,其他三项均不符合题意.
这里的company不是公司的意思