“乙癸同源”说明哪两脏的关系
A．肝与脾B．心与肾C．肝与肾D．肺与脾
参考答案：C
—Why did she speak very ________?
—Didn't you see she was so ________? [ ]
A. slow, sadly
B. slowly, sadly
C. slow, sad
D. slowly, sad
S700K电动转辙机单芯电缆控制距离可达（）。
A、1.5km
B、2.0km
C、2.5km
D、3.0km
