A1、A1字节是不参加扰码的,当收端站在625us内找不到该字节码型,光板会上报()告警。
A、R_LOS
B、R_LOF
C、OOF
D、RS-BBE
参考答案:C
It’s always difficult being in a foreign country, ________ if you don’t speak the language.
A.especially
B.specially
C.extremely
D.obviously
朱砂安神丸中泻火除烦的药物是()
A.栀子
B.黄连
C.石膏
D.竹川
E.知母