—OK.I will do it right now.
A:make
B:not make
C:to make
D:not to make
如图所示,用理想变压器给R供电,设输入的交变电压不变,当R的滑片向上移动时四只电表及变压器的输入功率变化情况是:V1____,V2____,A1____,A2____,P____(填写增大、减小或不变)
给加线的字注音
①钱氏据两浙时____ ②方两三级____