沿面闪络电压高于纯空气间隙的击穿电压。
参考答案：错
Chinese medicine is very popular ___________ people ___________ many countries. [ ]
A. in, with
B. with, with
C. with, in
D. for, in
简爱着向那座山，在（）的指引下简爱找到了一户人家。
A.光
B.上帝
C.母亲
D.直觉
