性能功效相类似的药物配合应用，可增强原有疗效的配伍关系是（）
A.相须
B.相使
C.相畏
D.相杀
E.相恶
参考答案：A
—Do you know ______?
—Yes. She is doing her homework. [ ]
A. what is your sister doing
B. what your sister is doing
C. when your sister is doing homework
D. where is your sister doing homework
基站出现S1 Link闪断故障后的最常见的排查方法是（）。
A、询问传输机房
B、从enode侧ping MME
C、通知基站代维上站检查
D、通知核心网机房检查
