Why not wash the dishes?______ is your job to wash them. [ ]
A.It
B.This
C.That
D.One
答案:C
如图甲所示,当开关S闭合时,电压表V1和V2的指针均指在如图乙所示的位置,已知电阻R1为8Ω,则
A.电阻R2消耗的电功率为0.72W
B.电阻R1和R2消耗的电功率之比为1:4
C.电阻R1和R2两端的电压分别为4.8V和6V
D.在1 min内,电流通过电阻R1所做的功为172.8J
关于胁痛的治疗,以下哪项是错误的:
A.多取原穴或背俞穴B.主穴可取神门、三阴交C.心脾亏损者,毫针刺用泻法D.脾胃不和者,加胃俞、足三里E.心肾不交者,加心俞、太溪