线损的大小与线路中电流的平方成()比。
参考答案:正
— How did you learn to drive?
— My father _____ me. [ ]
A. teaches
B. taught
C. is teaching
D. will teach
“干霍乱吐泻不得”者,宜用()。
A.下法
B.吐法
C.消法
D.清法
E.温法