【简答题】电路如图所示, 已知 R 1 = R 3 =2 W , R 2 =5 W , R 4 = 8 W , R 5 =14 W , E 1 = 8V , E 2 = 5V , I S = 3A ,则用戴维南定理求图示电路中的电流 I 时,戴维南等效电路的 U oc 为 _________V ,等效内阻为 __________ Ω,图中 电流 I 为 __________ A 。
【简答题】电路如图所示,已知R1 = R3 = 2Ω, R2= 5Ω, R4 = 8Ω, R5 =14Ω, E1= 8V, E2 = 5V, IS= 3A。求电路中的电流 I。
【简答题】Mary is an American schoolgirl. 小题1: . She doesn’t know Chinese, but she is trying to study and speak it. 小题2: . Sometimes they don’t understand her, because she can’t speak Chinese well. It’s Saturda...
【单选题】下列合同条款中,属于劳动合同必备条款的是:
【单选题】Which of the italicized parts functions as an object?
A.
He doesn't like the idea of my speaking at the meeting.
B.
It is no use your pretending not to know the matter.
C.
Her falling into the river was the climax of the whole trip.
D.
My parents strongly object to my going out alone at night.
【单选题】下列合同条款中,属于劳动合同必备条款的是 ( )。
【简答题】A. He doesn' t like to work hard. B. He thinks the pay is too low. C. He doesn't want to spend too much time working. D. He thinks it' s too far away from his home.