B8018基站开通后，可以通过查看DTRU的（）指示灯，知道该载频是否是BCCH载频。
A、ACT
B、MOD
C、RUN
D、STA
参考答案：B
性格不是遗传因素和环境因素作用的结果。
Only when _______ .
A．did he arrive the meeting began
B．he arrived did the meeting begin
C．did he arrive the meeting begin
D．he arrived the meeting began
