400MHz电台的收发信机的信道间隔是多少？
参考答案：
信道间隔为25KHz。
— I'd like a hot dog and a glass of beer ____.
— OK. Just a minute, please.[ ]
A. as well
B. also
C. either
D. as well as
事业单位的收入通常采用权责发生制核算。( )
