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听力原文：W: Yeah, it's really awful. Look, you two start without me and I'll try to get there as soon as possible, OK? M: OK. Have you any idea what's causing the hold up? It's not usually this bad on Saturday afternoons. Q: Which of these is the most likely situation? (19)A.
The woman's car has broken down.
B.
The woman is stuck in a traffic jam.
C.
The woman's train has been cancelled.
D.
The woman didn't know how long it would take her to get to the meeting place.
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【简答题】如图所示，已知C1=100μf，C2=C3=50μf，求A、B间的等效电容？
【简答题】已知三电容连接如图所示，C 1 =100μF，C 2 =C 3 =50μF，耐压均为50V，试求：
【简答题】如图所示，已知C 1 =100μF，C 2 =C 3 =50μF，求A、B间的等效电容。
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