Lily want to know ___. A, if Susan has received her present B. when she will go back got England C if Susan can meet her at the airport D. when Susan can go to Disneyland with her
A.
B.
C.
D.
D
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举一反三
【简答题】With no resistance(电阻) in the circuit(电路) the current(电流) would increase forever.
【单选题】When calculating the equivalent resistance of a circuit with Thevenin's theorem, all sources of the circuit should be replaced by .用戴维南定理计算电路的等效电阻时,应将电路所有的电源()处理