Neither of the young men who had tried to get the job in the company _______.
A:has been accepted
B:had been accepted
C:was accepted
D:accepted
在如图所示的电路中,两只电流表规格相同,都有两个量程(0~0.6A以及0~3A),且R1=R2闭合开关S,电阻R1、R2及R3均有电流通过,两只电流表的指针偏转角度相同,则通过电流表A1的电流是通过电流表A2电流的____ 倍,R1:R2:R3=____ .
每天摄入的总能量中,早餐应占有的合理比例是( )
邵阳蜜桔汁多、味甜,口感好,含锌、铁、钙、硒等。这里的锌、铁、钙硒是指( )