【简答题】 电路如图 2 所示, N 为独立源的线性电阻电路,已知:当 U s =8V , I s =0A 时, U =6V ;当 U s =0V , I s =2A 时, U =0V ;当 U s = - 4V , I s = - 1A 时, U =2V ;当 U s =4V , I s =3A 时, U 为( )。 图2
【判断题】But today, our heroes are average men and women,” everyday heroes” to whom we can relate, people like us. (Para. 8) Meaning: But today, our heroes are average men and women; they are “everyday heroes”...