被称为“后天之本”的脏是
A.肝
B.心
C.脾
D.肺
E.肾
参考答案:C
We like our English teacher. She is kind us.
A. for B. with C. to
A.U=vBl,流过固定电阻R的感应电流由b到d
B.U=vBl,流过固定电阻R的感应电流由d到b
C.U=vBl,流过固定电阻R的感应电流由b到d
D.U=vBl,流过固定电阻R的感应电流由d到b