A:上之所好,下必从之
B:法不阿贵,绳不挠曲
C:天下所以服者,常生于不偏
D:公则生明,廉则生威
Now I get up late. In the future, I’ll get up e____.
如图所示,电流表A1和A2的示数之比为5∶1,则R1和R2的阻值之比为()